Don't make this WIRING MISTAKE on newer GM Trucks RVC (Regulated Voltage Control)

Don't make this WIRING MISTAKE on newer GM Trucks RVC (Regulated Voltage Control) | AnthonyJ350

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6 жыл бұрын

In this video we go over an important way to route your ground wires if you plan to do the Big 3 or just a simple grounding upgrade on your newer GM truck. You have to make sure you pass your wiring through the current sensor found on the negative cable coming off the battery. This is the design of GM's regulated voltage control for their charging systems. The current sensor allows the charging system to be more accurate and charge the battery as necessary.
#Big3 #GroundUpgrade #GroundKit #Alternator #WiringUpgrade
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Don't make this WIRING MISTAKE on newer GM Trucks RVC (Regulated Voltage Control) | AnthonyJ350
• Don't make this WIRING...
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@baybiboy1 4 жыл бұрын

OMG!!!! THANK YOU! I have been battling my 13' Escalade for 4 weekends straight. I've been doing car audio for 20 yrs, so I'm not new to the scene. But when this Esky stomped me I was about to give up, and rip it all out (literally, frustrated 👿👿👿). I did the big three and all, and still when my auto door locks, windows, even horn operate, the amp, shut off. I was about to take it to the shop or give up and sell my skar rp2000.1. When I passes the big 3 ground wire through the sensor BAM amp stays on. Should have known it was a sensor. My BMW's have the same smart alternator. Your info should be made a sticky on a forum some where. Thanks a bunch!!!!!!😁😁😁😁💯💯💯

@AnthonyJ350 4 жыл бұрын

That's awesome so glad to hear it helped! This is probably the most relevant feedback so far as to how important it is to pass through the sensor. Thanks for sharing!

@billyogg8199 3 жыл бұрын

@baybiboy1 3 жыл бұрын

Update: My Esky amp still had problems after passing the cable through the sensor. It did help keep my charging voltage steady but, my amp still kicked out. I fought this for 5 weekends straight!!!! 😠 😠 My problem was with preamp voltage to amplifier (skar rp2000) itself. I used a PAC PDLC81 line converter because i kept my stock head unit. To make a story short, the preamp voltage was to high for the amp recommendations. When installing a line converter, make sure the preamp voltage it outputs matches the amplifier you're pushing. Hope this helps someone.

@gueroburban4989 3 жыл бұрын

Wow just found out about this did the big 3 can I just run negative battery wire next to sensor from battery to chassis I have a 2007 suburban gmt 900??

@baybiboy1 3 жыл бұрын

@@gueroburban4989 Hey buddy. You have to run it inside the current sensor as it's the only way to measure the voltage / amperage. That way the vehicle can regulate the amount of current draw for the alternator to increase or decrease the output of itself. Hope this helps.

@toronadogofast7868 17 күн бұрын

This is a great video. I do a lot of voltage issues on transit coaches. We were having a lot of no starts in the lot. Kept looking at voltage drop and changed all of the positive cables and grounds to the batteries. We were running 300amp 50DN alternators. And was losing 50 amps from the alternator to the batteries. The final fix was a ground from t h e alternator case to the frame ground. Even the there was ground straps from the engine to the frame it wasn't enough. Most of the high breed vehicles monitor the ground side just like this. Don't know how many times the ground side was the issue. Like all of your videoś I have watched. Great job!

@AnthonyJ350 8 күн бұрын

Thank you! Definitely ground body to frame front and rear and ground the cylinder heads to frame and body.

@JohnyComeLately 4 жыл бұрын

Just planning my upgrade to try and get rid of the headlight dim when the bass hits, and I thank you for this info.

@AnthonyJ350 4 жыл бұрын

Your welcome! I would also upgrade the grounds to help with current flow for the whole vehicle.

@kinghaku2463 4 жыл бұрын

I have an 02 Sierra. Thanks this really helped me out.

@AnthonyJ350 4 жыл бұрын

Glad it helped you!

@brianthompson72 2 жыл бұрын

THANK YOU FOR THIS!!!! I did the "Big 3" and completely forgot to put the GBCM (Generator Battery Control Module) on any of the grounds. Battery life was awful - for obvious reasons. Still forgetting and not even knowing about the GBCM, I dropped a 3300A XS Power battery and a Mechman 260a (I think, maybe 240A, with the stock being 80A) alternator. Still horrible. I thought the alternator was bad. Tested the stock, everything seemed fine. Nope. The first time it got cold, I'd have a dead battery. I mean 8 volts dead. I resorted to changing the battery at night via a charger. I even changed the battery. The XSPower battery has been sitting in my basement for a year and still has a 14-volt charge, so not a battery issue. Then I found the GBCM lying, plugged into the harness, but near the battery. I looked it up. Aha! I ran a ground-wire through it, and again, things seemed ok. Suddenly, however, I'd get 15.5 charging at the start (Via voltmeter and OBDC) and dropping to as low as 11 volts after the engine ran for a while. Several people claiming to be mechanics said it was normal. Nope. It turns out, I had wired everything the same way, Big ground to the Engine, Big ground to the frame, and moderate ground to the body. There's no way the GBCM can accurately monitor battery usage with all the extra grounds. Unplugging the GBCM will put the alternator in its default charge mode using the voltage regulator to simply charge at 14 volts. I get the battery light, but it charges. The battery won't hold a charge, even after manually charging it, as soon as the charger registers 13.6 volts and shuts off, the battery tests at 11.5 volts. Letting it sit for a couple of hours, and it drops to 10v, so It's definitely bad. I ordered a new GBCM (These are like finding crystal clear diamonds - super hard to come by as no one uses these past 2012, I believe). I got the replacement in, replacing the ground with the engine as I realized it's not 0 gauge, instead 0/4 gauge. 0 gauge insulation, 4 gauge wire, and I will be putting both the Mechman alternator and the XSpower battery back in. it 5 degrees out and I don't have a garage, so it may wait a few days. At the end of the day, these GBCM modules were put in to supposedly save fuel. It'd turn the alternator off if the battery's charge was sufficient to keep everything running without charging. The problem is, it didn't save that much, and many mechanics have no idea what these are, so they throw parts at it until giving up, saying the ECM and/or the BCM is bad. Thanks again for posting this video!

@AnthonyJ350 2 жыл бұрын

You're welcome!

@silentbravo 4 жыл бұрын

Firstly, Liked and Subscribed. This was great info. I just put together 2 extra grounds for my truck the other day then came across this video and thought, bahhh now I have to redo them somehow. But I guess not, I have a 2001 GMC Sierra, and it doesn't have this sensor. So it's probably OK to assume from about 99 to 02 Silverado/Sierra (probably the other GM full size vehicles also) that they don't have this RVC. From 2003 and up it's very possible that they introduced it, since that was the new body style update, and some electrical and minor body style changes occurred. I had read about this system before on the NNBS (07-13) trucks since people were complaining that their voltmeters would only be showing around 12v at times, which is normal since this system will not always charge at full 14v+ it will lower down to reduce strain on the accessory belt drive and in turn add that minuscule amount of MPG gain from the lesser load....

@AnthonyJ350 4 жыл бұрын

Thanks for the comment! Sorry about the late reply, yes with your year of truck you shouldn't have to worry about the RVC system.

@MikeMcChiken 3 жыл бұрын

It sounds like you got an upgrade alternator and are still using the sensor . I saw this sensor on my first install in this truck . I was wondering what it was for . Glad I found this video . Thanks

@AnthonyJ350 3 жыл бұрын

Glad to hear the video helped!

@sean.g4516 2 жыл бұрын

@@AnthonyJ350 what year models does this apply to?

@bwizzle4194 2 ай бұрын

@sean.g4516 If you look real close at the top of the screen hes pointing out it says "2005 and up."

@collinmcballin 4 жыл бұрын

You saved the day man! All these unprofessional forums without a solid answer. This is exactly what I was looking for, regarding my 05 Tahoe with a gnarly sound system. Thanks for the clarity, thanks for staying humble along with the great context of words. So stoked! Can't wait to dial this thing in.

@AnthonyJ350 4 жыл бұрын

Thank you so much for watching, I'm glad the video helped you. You might also want to watch my Mechman video to help with your sound system. kzfaq.info/get/bejne/q-CTibOU0cracok.html

@AnthonyJ350 4 жыл бұрын

Also cleaning the grounds upgrading will help you as well kzfaq.info/get/bejne/etecY7imnZO3fp8.html Don't forget to subscribe!

@collinmcballin 3 жыл бұрын

@Travis Hamler pretty basic. Just 2 batteries, all double grounded with big 3. 1/0 Guage for everything, all OFC of course. ORIGINAL 160a bosch alt LOL. 3 amps of course. -Just ran 1 wire though the sensor. 8ga Powering skar 240rms class a/b for mids and high in the pillars, which also splits off to MiniDSP and signal wiring. 1/0 goes back; splits to nvx 900wrms class d midbass amps for mid drivers..... And other half to nvx 1000 rms class d for my SI-SQL 12". All amps double grounded as well. Stays above 13v all the time, no dimming, no speaker whine etc. Interior and engine bay looks stock, everything hidden hahaha

@03Misael21 5 жыл бұрын

Had this same sensor on my power wire from the alternator to my battery in my 2010 impala. Battery Saver would always engage after like 10 to 20 minutes, especially with climate controls on. I didnt wanna take out any of my factory wiring after doing the Big 3 because I believe in adding on, not replacing. So I ended up picking up a good sensor at a junkyard and spliced the new one into the one I already have. Ran my 0 ga power wire thru the new sensor and I haven't had Battery Saver pop up ever since. Voltage has been great too.

@AnthonyJ350 5 жыл бұрын

That's pretty cool, thanks for sharing! So there are 2 sensors running simultaneously in your car?

@wrenchaholic_ Жыл бұрын

Thanks for the info. I've been thinking of doing the same. Been contemplating if it'll work for about a week now.

@itsMrBRoc Жыл бұрын

I have the same exact issue with my 2008 Impala.. I'm gonna do the same thing as you!

@zacharydunn4779 2 жыл бұрын

Getting ready to install a system in a 2013 tahoe. I installed a 350 amp alternator that's a 4 pin and installed a Mechman 2 pin module and the 4 pin connector has 1 + wire that you install on any wire ignition turn on. Ran to injector. With a inline fuse. Recently installed big 3 kit Haven't gotten that far yet to try. Getting new batteries at the moment. Thanks for sharing your post

@AnthonyJ350 2 жыл бұрын

Let us know how it goes after!

@tomgreen1423 4 жыл бұрын

I am soooo glad I found your video. Unfortunately I wish you would have made this 5 yrs ago, lol. I ruined an AGM battery because I didn’t follow this advice. What I did was unplug the sensor and lived with it. I monitored the voltage with a plug in meter. I averaged 14 volts, BUT just because you have 14v, doesn’t mean that your CPU is “happy”. I watched this video initially at work and went outside and basically “undid” the Big 4 (not 3). Going to hook up the way your doing it with upgraded 1/0. I am confused on where ALL of your upgraded grounds are mounted. From the Mechman diagram, I see upgraded ground going through the sensor from alt mount to battery, but is that ALL that the grounds they are recommending? Awesome channel...I subscribed!!

@AnthonyJ350 4 жыл бұрын

Thanks! Ya my grounds go to frame, cylinder heads and body.

@tomgreen1423 4 жыл бұрын

AnthonyJ350 All from battery? Or does one go from battery to alt bracket, then from alt bracket to the other places you just said ?

@AnthonyJ350 4 жыл бұрын

@@tomgreen1423 other places just go straight to frame. Your 0 ga to frame will then take over.

@tomgreen1423 4 жыл бұрын

So unplugged I get a solid 13.5-13.7 with a decent system (1200 watt). What is the harm of ~13.5 consistently ? Older vehicles do it....I dont think older vehicles putting out this many volts go through any more batteries than this GM logic. Now I’m not arguing...just asking

@AnthonyJ350 4 жыл бұрын

@@tomgreen1423 Older vehicles charge at 14.5 typically so you're at the lower end. When the system sees the battery over 80% state of charge it will go to 12.9ish. Remember headlight mode is 14.5 and fast charge is around 15. I would just leave it plugged in and upgrade the grounds.

@christinaknight5569 4 жыл бұрын

Thanks man great information and video

@AnthonyJ350 4 жыл бұрын

Thanks!

@frederickwolford3254 2 жыл бұрын

The best I've seen so far, less talk and show's more troubleshooting and research with out standing results, thank you.

@AnthonyJ350 2 жыл бұрын

Thank you for watching! Glad the video helped 🙂

@lucky13sss10 5 жыл бұрын

Thank you for this

@AnthonyJ350 4 жыл бұрын

Glad to hear you liked the info

@RockNational22 3 жыл бұрын

Thankyou for this video!!!! It’s almost NOTHING out here explaining how to do Big 3 with the sensor!! Great information and detail!!!

@AnthonyJ350 3 жыл бұрын

Glad to hear the video helped you 😀

@christianperspective9527 10 ай бұрын

Yes it will charge the battery more fully which will make the truck run better. It has to do with the spark plugs grounding back to the battery. The battery is actually a condenser for the high voltage coil circuit. Also higher available voltage will charge the coils better. Also when passing multiple ground wires through the load sensor make sure they are all going in the same direction otherwise they will cancel each other.

@AnthonyJ350 10 ай бұрын

Thanks for the comment!

@codynelson6081 Жыл бұрын

Saved me a lot of time thank you! Ive had low voltage for two years because of that ground bypass I did for my system

@AnthonyJ350 Жыл бұрын

Glad the video helped you!

@JeffBryant 2 жыл бұрын

Had just installed a JL 1000 watt amp. I didn't upgrade under the hood. Just ran 4 gauge for the amp. Sounded great and dimmed the hell out of the lights. 3 weeks later I went to roll up the window and my amp shut off. Still had power to it but no output. I returned the amp for another but was waiting to put it in until I did the upgrade. I have a 2011 silverado. Glad I found your vid cause I would have done it wrong and possibly fried another amp.

@AnthonyJ350 2 жыл бұрын

Thanks for watching! You might also need to upgrade the battery.

@stephenwhite5444 Жыл бұрын

Did this solve your problem?

@JeffBryant Жыл бұрын

@stephenwhite5444 I shipped the Amp back and got a new one sent to me. I ended up not upgrading the grounds under the hood. Got a capacitor and it has really helped. No more dimming the lights.

@rl4889 Жыл бұрын

@@JeffBryant what size capacitor did you get ? Ty

@matthew3272 6 жыл бұрын

Nice information on the gmt800 trucks. I would have never thought about that regulator when doing the big 3 upgrade. Mechman came in clutch with that info.

@AnthonyJ350 6 жыл бұрын

matthew3272 I have driven for years with it incorrect. But I think the battery will last longer at least when you do this.

5 жыл бұрын

@@AnthonyJ350 whats an 800? there's 1500 light duty and 2500-3500 heavy duty 4500+ commercial

@AnthonyJ350 5 жыл бұрын

@ GMT-800 is the code for the generation of GM truck

@chriswhite4596 5 жыл бұрын

Badass Video, great Description!!!!

@AnthonyJ350 5 жыл бұрын

Thank you!

@8ten820 6 жыл бұрын

I'm working on a GM at the moment and that helped alot. Thanks for that!

@AnthonyJ350 6 жыл бұрын

8 ten8 Let me know how it goes because I'm trying to understand it more so feedback helps.

@bryonaderhold2009 2 жыл бұрын

I upgraded my stock alternator that was 105 to a 290 amp and the battery from a 700 to an 800 did the big three upgrade also. Haven't had any problems but I still got to hook up my stereo so we'll see from there

@AnthonyJ350 2 жыл бұрын

Let us know how it goes!

@darrylm3627 Жыл бұрын

Good Stuff,Great Tips😄👍🏿

@AnthonyJ350 Жыл бұрын

Thanks so much!

@alphaomega8373 6 жыл бұрын

Great video I never heard this.

@AnthonyJ350 6 жыл бұрын

Alpha Omega We'll see how it works out

@anthonymarino4260 4 жыл бұрын

Thanks for sharing

@AnthonyJ350 4 жыл бұрын

Thanks for watching!

@crazyorwhat 4 жыл бұрын

Thanks a bunch!!

@AnthonyJ350 4 жыл бұрын

Glad it helped!

@greggarner4477 2 жыл бұрын

I have a 2012 Sierra with a system and Big 6 (dual batteries) and I was wondering what this current clamp was all about when I did the big 3 and aded the extra battery... Guess I have some pondering to do to figure this one out. Thank you so much for the very useful info!! Truly much appreciated!! I have an 8 farad cap in the cab to think about too. This could be interesting

@AnthonyJ350 2 жыл бұрын

Thanks for watching! I wouldn't bother with the capacitor, you already have 2 batteries. I don't find caps make a difference in practice.

@greggarner4477 2 жыл бұрын

I get the headlight flicker either way. Only have 2000 watts in Rockford Fosgate amplifiers. But my GOD it sounds good 😊 I have no charging issues at all but don't want to. I have been building car stereo since 1992. Have been a die hard Rockford Fosgate person.

@AnthonyJ350 2 жыл бұрын

@@greggarner4477 Did you upgrade to a Mechman Alternator and ground the back of the cab to frame with ground straps?

@roadlife9312 4 жыл бұрын

just watch your video and it answered some questions about my 17 Silverado gonna let you know if I see any changes

@AnthonyJ350 4 жыл бұрын

Let us know what your observations are.

@HC-oy3jr Жыл бұрын

Nice you learned me something gonna try this. Thanks also to save battery and alternator life turn off your running lights that automatically turn on when starting the vehicle. Don't need them on during the day . I have almost 7 years on a cheap AAA battery that was supposed to be temporary, thanks again God bless

@AnthonyJ350 Жыл бұрын

Thanks for watching!

@theecstatic9686 4 жыл бұрын

Thanks dude, feel a lot better about upgrading while at the same time having a communication error with the bcm...

@AnthonyJ350 4 жыл бұрын

Glad the video helped understand the different things the charging system does.

@MrSmellGud 4 жыл бұрын

Thanks for the info. I just bought a Tahoe, 05 and upgrading the electrics as well. 2 questions tho? When you went from the alternator ground to the body which does not pass through the sensor. Does the sensor not need to monitor that run of cable? Also does your truck's voltage monitor (on the dash) still show a drop in voltage when the battery is fully charged indicating that the RVC sensor is working properly? Thanks!

@AnthonyJ350 4 жыл бұрын

It's only the cables hooked up to the battery that need to go through the sensor, you can ground motor or cab to chassis and it will work. The gauge on the dash still shows how much voltage is being put out from the alternator depending on the mode. This video demonstrates what's going on better for the RVC system kzfaq.info/get/bejne/brSClM2hvr6rkmg.html

@daddyrooster88 4 жыл бұрын

Im confused I think you said you ran your big3 without issues for years. I was going to do a big 3 on my stock alternator outside of the sensor before i saw your video. My Mechman 250 comes next week. I have 0 gauge ready to install.

@KaliBlaz 5 жыл бұрын

so you are saying if i decide do add an accessory fuse box for example, i need to pass the ground wire through this sensor?

@AnthonyJ350 5 жыл бұрын

You can just ground additional devices straight to chassis.

@rudycausadias4889 Жыл бұрын

Great information man this has help me in my fix in my 2005 5.3l you are great man i have do it with your help

@AnthonyJ350 Жыл бұрын

Thanks for watching!

@limitlessworx5724 Жыл бұрын

This is the type videos we need awesome info gotta go see if my Tahoe has this

@AnthonyJ350 Жыл бұрын

Glad you liked it! Check out my channel for more videos like this 🙂

@limitlessworx5724 Жыл бұрын

@@AnthonyJ350 yeah i subscribed just seeing anyone did video in 07-14 tahoes not sure if the power wire goes straight to battery with fuse or goes like factory to fusible then to battery

@zeake13 4 жыл бұрын

Great information......

@AnthonyJ350 4 жыл бұрын

Thanks for watching!

@jayeff4457 5 жыл бұрын

I have 2007 Silverado with a sensor on my factory ground. Thanks for posting.

@AnthonyJ350 5 жыл бұрын

Ya I hope this video helps out a bunch of people. I can see shops charging a lot of money to fix this because this is a hard one to diagnose.

@00silver00 4 жыл бұрын

Thank you!

@AnthonyJ350 4 жыл бұрын

You're welcome! Thank you for watching!

@kman915 6 жыл бұрын

I wonder how upgrading the alternator on a hybrid would affect it... I want a mechman alt and a new starting battery along with a big 3.

@AnthonyJ350 6 жыл бұрын

KmanBeatz Just email them, they respond pretty quick

@BeardedCheif 4 жыл бұрын

I'm doing this big 3 upgrade in about 2 weeks with a professional install. My truck is a 2005 2500HD. Will I need to mention anything about this sensor you talked about? Only running 2 12s and door speakers with a amp running them seperate

@AnthonyJ350 4 жыл бұрын

To my knowledge the heavy duty trucks do not have the sensor. Only the 1500s.

@axtaxt2964 3 жыл бұрын

Thank you! No one covers this in big 3 write ups! Glad I thought about the voltage regulator getting confused and went looking before I started.

@AnthonyJ350 3 жыл бұрын

Glad the video helped!

@craftchest 4 жыл бұрын

I'm glad I saw this in my feed. I have that same sensor in my trunk. I am about to do upgrades and always wondered what that sensor was. Now I know.

@AnthonyJ350 4 жыл бұрын

Glad the video helped, thanks for watching!

@Steve42098 Жыл бұрын

interesting information thank you for sharing

@AnthonyJ350 Жыл бұрын

Glad to hear you found it useful 👍

@charlesovalles1646 4 жыл бұрын

Great work. I have a 15 tahoe with big 3 and yes i found the current sensor the hard way. The truck actually starting shedding different devices and got fault messages. I do have an extra battery. Started having a load of starting issues. I had plenty of juice on both batteries and alternator was 14.5 on second battery. But still had issues. Im thinking i need a higher amp alt. Removed battery.big3.and amps. No further issues. Saving for big amp alt.

@AnthonyJ350 4 жыл бұрын

Look into Mechman alternators kzfaq.info/get/bejne/q-CTibOU0cracok.html

@Bhdobbs 4 жыл бұрын

charles ovalles bcm needs to be set to accept the dual charging mode

@crankybastid2197 3 жыл бұрын

I am adding a secondary battery to a 2019 2500hd gas engine truck. Would you recommend running the ground wire (2awg) from the secondary battery through the sensor and to the main battery? I am adding a 150amp breaker and isolator to the power wire. Thank you

@AnthonyJ350 3 жыл бұрын

If you can run it through the sensor it would be ideal.

@Tanner69046 2 жыл бұрын

Do the 1999 silverados have this on them? I've been getting voltage drop whenever I initially draw power from the battery so I'm gonna do the big 3 upgrade to see if that fixes it. You're saying I need to run the ground wire through this voltage regulator?

@AnthonyJ350 2 жыл бұрын

I don't think they do. Wasn't till 2005 it seems.

@Tanner69046 2 жыл бұрын

@@AnthonyJ350 Thanks!

@JUNIORC01 4 жыл бұрын

Thanks I just upgraded my alternator on my 2014 Silverado to a 250amp mechman alternator I don't have the big 3 yet planning to do soon and I have a 12v d4800 xs power battery when I start my truck its seams that im getting higher voltage around 15 and seams to freeze my radio and my windows I can't control them until the voltage starts lowering. Im check the sensor and do the big 3 hope its helps out.

@AnthonyJ350 4 жыл бұрын

Some electronics are more sensitive than others. When you hit 15 volts that's the threshold for operation.

@bull5919 5 жыл бұрын

Well finally got to mine I have a 2013 Silverado battery on passenger side I can only fit one 1awg wire through my battery sensor so do I chose the motor or the frame

@AnthonyJ350 5 жыл бұрын

I'd go frame because you can add a ground from frame to motor after

@johnebuckland 6 жыл бұрын

A side note. If you upsizing to a 270+ Amp alt, wouldnt you want to use 1/0guage? Even though you have additional runs of 4Guage?

@AnthonyJ350 6 жыл бұрын

Yes you would, I made a caption later in the video at 6:18 stating this is fine for stock or mid-range alternators.

@johnebuckland 6 жыл бұрын

AnthonyJ350 oh i missed that.

@AnthonyJ350 6 жыл бұрын

I'll talk about it more when I eventually change the alternator. This video is geared more to people who performed a BIG 3 upgrade and are most likely running a stock alternator. I'm hoping people with HIGH output alternators have already compensated with 0 ga and follow the diagram shown at the beginning. Lots of variables depending on people's setups.

@MaestrroMusic 5 жыл бұрын

@@johnebuckland 0 AWG is always good, even with a lower alternator...

@steves5355 3 жыл бұрын

They also told me the se thing on my 07 classic sierra. All it does it tell the pcm when to charge when there is more current draw. Currently running 320 mechman alt, and traditional big 4. I will be putting stock alt back on for truck and running the 320 stand alone for my stereo system. I also have Custom Electronics PCM bypass with voltage controller, and battery light delete. . They run around 100 shipped. I will be running 2 agm batteries and charging at 14.6-.8 or so. Before knowing about this i had big 3 in place for over a year with zero problems. Currently to put the alt into full charge cycle i run the headlights on and i get a solid14.4,.5. ive been doing this for about 2 months. Cant wait to have both alts on and dedicated to each side of my charging needs..just another thing ive bypassed to get where i needed to be. I only commented to let people know there is a way around all this, and i will continue to run the big 4. Im also on 1/0 power and grounds from sky high car audio which is similar in size to 2/0 welding cable. If that tells you my current draw oncwy set up is complete amd stereo build is finished. Decent set up from gm if you plan to stay stock..but there are ways around if your a basshead like me. Lmao.. Bass on!

@AnthonyJ350 3 жыл бұрын

Thanks for sharing!

@kfarrier1976 5 жыл бұрын

Hi I have a 06 pontiac grand prix with mechman 240 amp alternator. Looking to do big 3. How do you open the battery control module ring. I will be running shca ofc 1/0 gauge wire. Any help would be great

@AnthonyJ350 4 жыл бұрын

I just ran the wire through the clamp, there was enough room. I didn't take it apart.

@DetrellOfATL 2 жыл бұрын

Thanks for the info. Question for you or anyone looking at this? My voltage is good around 14.6V but my lights flicker, is there any way to fix this problem with your experience. TIA.

@AnthonyJ350 2 жыл бұрын

Convert the headlights to LED and the marker lights as well. Also upgrade the grounds on the truck to help.

@aford5080 5 жыл бұрын

I did this upgrade on my 11 impala 3 yrs ago and I didn't pass the ground thru the sensor ring and I had funky guage readings.. until I read about that loop being very neccessary For a fact a 2011 Chevy Impala has this setup

@AnthonyJ350 5 жыл бұрын

Thanks for sharing your experience!

@berniepokorski6608 3 жыл бұрын

I found your video while trying to figure out what that "Current Sensor" is that is threaded onto the ground cable right next to the battery on my 2008 Chevy Trailblazer. GM calls it: " Part # 25826405 - Genuine GM Module, Generator Battery Control". Thank you for explaining its purpose! I am having an issue with the battery's ground cable... I suspect that the copper is corroded inside of the insulation on the Trailblazer's side-mount battery's ground cable. The vehicle's engine coolant temperature gauge works intermittently, and when ever It does not work, simply disconnecting and re-connecting the ground cable on the battery brings that gauge back to life. I have been dealing with this issue for the past few years, and I hope tat I have finally found the problem.

@AnthonyJ350 3 жыл бұрын

When you replace the ground cable put dielectric grease what it makes contact with the frame and battery and put a little bit on the exposed wire to help prevent corrosion.

@thatguy_jose 6 жыл бұрын

For mine the only time it drops a bit when I turn the climate controls on. it goes up to the 3/4 mark when I first start it. but now that its being driven more( it sat for a couple months from the previous owner) it stabilizes dead straight in the middle at 14v.

@AnthonyJ350 6 жыл бұрын

jose _Leo815 Did you upgrade the grounds?

@1970chevy 6 жыл бұрын

Thanks for the video. Just did a friends trucks big 3. Didn't know about that sensor. I'll be rewiring his this weekend.

@AnthonyJ350 6 жыл бұрын

1970chevy Let me know how it goes. Trying to collect info on this.

@1970chevy 6 жыл бұрын

AnthonyJ350 ok. He sent me a pic after I sent him this video and he does have that sensor that we missed. He hit almost 10 volts on a good hit.

@AnthonyJ350 6 жыл бұрын

That's going down pretty low. Is the battery pretty new? I just put a NorthStar battery in my truck. How big is the sound system?

@1970chevy 6 жыл бұрын

1600 cab amp 2 12in missives newer battery and alt.

@AnthonyJ350 6 жыл бұрын

Ya definitely re-route the grounds, the charging system probably isn't seeing the entire load being put onto it. I'm really interested to see if you guys see a difference after doing that. I plan to install a Mechman alternator in my truck in a few months.

@reginaldflowers5456 3 жыл бұрын

Completed today...thank you! May have to change my alternator pulley back to stock one. Charging little past 14 volts

@AnthonyJ350 3 жыл бұрын

Thanks for watching!

@chillinrodzilla 4 ай бұрын

Thanks bro been looking for this still looking for a way to run 0 Guage though. What do you think about running 1 - 0 thru the sensor to a distribution block then running others from there??

@AnthonyJ350 4 ай бұрын

That makes a lot of sense. I would do that. You're maxing out the sensor capacity as far as what fits. Definitely don't modify the sensor.

@daddyrooster88 4 жыл бұрын

Ok in your case the battery is on the driver side so all the grounds are almost the same length. However in alot of chevy trucks 07-13 the battery is on the passenger side by the firewall and far from the alternator. The 2 stock grounds are one 4 gauge from battery to engine block and one looks like 8 or 10 gauge from battery to frame. The are both relatively short in lengths. If i run another ground 4 gauge from battey to alternator it will be considerably longer. My question is do i run the 2 short grounds along with the long one through the sensor or just the 1 long one to the alternator? Does the system only see the shorter wires?

@AnthonyJ350 3 жыл бұрын

Any ground from the battery needs to go through the sensor.

@Mrbulldog301 5 жыл бұрын

I was dealing with no start no crank I removed the ground through the part you are referring o. so if I did the ground repair it would have been NFG thanck you so much I believe the ground was bad now it all makes sense. I still think the neutral safety switch is no good as well but before I look at that I will do the ground properly check he start by bypassing the switch and go from there God Bless and thank you so mutch. I will let you know what happens

@AnthonyJ350 4 жыл бұрын

What ended up happening with your fix?

@chadcawley8112 5 жыл бұрын

Question about that sensor could not really see it so what your say wire ground through that sensor? There’s post to make that connection? Thanks in advance

@AnthonyJ350 4 жыл бұрын

It's the main ground cable.

@getgetoutout 4 жыл бұрын

Just run your new ground wires from where the stock battery ground wire attaches to the block. NOT to the battery itself. That way your 'body', 'chassis', 'alternator bracket', and 'block' grounds are still all connected as a unit AND the current from that entire system is running through the sensor back to the battery.

@AnthonyJ350 4 жыл бұрын

But if you don't make the wires thicker at the source you'll still have a "bottleneck" at the power source.

@psyfertech 4 жыл бұрын

i have a 2016 gmc sierra and it has the same system and it threw me for a loop i thought there was an issue with my charging system but im wondering if a better way to do this would be to run all of your grounds to one point say a distribution block and then run 1 0 guage or a double 0 guage from the negative post of the battery and through the rvc ammeter then to distro block that way theres no way for any current to bypass it, i think this is what i will do because i still need to run a ground to the alternator and as it is now i have no more room in the rvc ammeter to fit any more cable through it currently has a 0 guage and the factory engine ground going through it lol, i have read that unplugging the ammeter will allow it to constantly charge at full blast but some people say its not good because it can over charge the batteries, i think i will try the distribution block and see how it goes if there is any improvement at all, so far it seems to fluctuate but i have noticed that when my headlights are on it always stays close to 14volts, ive upgraded my car stereo substantially thats why i need the extra juice ive already added a second battery its the xsd5100 and that has made a big difference its just the way the alternator charges im not too happy with because with bass you really want to keep a constant nice voltage but it likes to stay around 12.6 to 13 sometimes which i dont like

@AnthonyJ350 4 жыл бұрын

Try it out and let us know your results.

@ReapWhatYouSow 4 жыл бұрын

Did you get the distribution block for the grounds?

@TheDoozie43 3 жыл бұрын

Is this video before you upgraded alternators and went to an adjustable pcm? Did you leave the sensor hooked up once you made the upgrades?

@AnthonyJ350 3 жыл бұрын

I didn't modify the PCM at all. Just installed a Mechman and left the sensor intact.

@TheDoozie43 3 жыл бұрын

@@AnthonyJ350 ok thanks man!

@jeffeisenzapf4131 3 жыл бұрын

I'm glad I watch this I'm about to do the big 3 in my Chevy Express..I noticed the ground you ran to the body don't run through the clamp so that doesn't matter in not going through the clamp?

@AnthonyJ350 3 жыл бұрын

No, only the grounds that attach to the battery need to go through the clamp

@xcolby9623 3 жыл бұрын

How would I go about running a second battery to the rear with this setup? Do I run the negative from the rear battery through the sensor to the front battery?

@AnthonyJ350 3 жыл бұрын

You could run a ground with the power and hook it up to the clamp on the main battery. The sensor will then see current flow accordingly in theory.

@2009mechanic 4 жыл бұрын

On 2014 through 2018 GM pickups: If installing an auxiliary battery under the hood and use a regular 400 amp isolation relay between them , have you figured out where to pull a signal from to turn that relay on and off so that it is on when in the ignition running position AND when in the start position? I have. You cannot use anything under the hood in the fuse convenience center as those were designed for certain applications so all those empty fuse slots that are unused are also without terminals installed under the cover on the power board.There is nothing there to tap from. And NEVER double up on an existing fuse prong as it will deform the terminal underneath and ruin it. I found my signal in that small box under the dash right next to the E-brake pedal. This is also where your harness adapter plugs in to hook up your electric brake controller. The terminals/pins I used were located in the lower unused cavity below where the brake controller plugs into it. There are battery start AND ignition and also ignition only pins in there. I don't know what those were really for and I'm not pulling an appreciable current on them , just enough to trigger the battery isolation solenoid relay and any accessory relays for off road lighting and stereo equipment. When I turn the key off , I want everything off not draining the batteries. This video show it pretty well. kzfaq.info/get/bejne/b9Sjq8ye38XXoKs.html

@AnthonyJ350 4 жыл бұрын

Thank you for sharing this!

@MrSpike0358 2 жыл бұрын

As I understand only the wires connected to the negative battery post needs to run through the sensor. I added another ground from alternator to frame, and from engine block to body. Everything works fine. The one single ground wire from alternator runs through the sensor to the battery negative. I am also going to add a xs7500 battery to the rear with a isolator, ground it to the frame. This is on a 2011 silverado.

@AnthonyJ350 2 жыл бұрын

If everything is working as it's suppose to, everything is all good.

@aaronlawrence4218 Жыл бұрын

The wires that go through my ring are positive I have two wires one to the starter and one to the alternator post they are the only wires that go through a sensor the ground wires do not. Should I run a ground through that ring?

@justinfoster6719 4 жыл бұрын

Anyway I can see how you did your loft in your shop. I got the same size building I think. I see it in the background the steps From time to time

@AnthonyJ350 4 жыл бұрын

If you email me I can send you some pictures.

@dart760 3 жыл бұрын

So I have 04 and not check if it has that thing. But my voltage in the guahe cluster always goes below 14. I want to upgrade the big 3 with 0 gig. What did you use to use the battery post? You have a type list of everything and how much length etc? Thx

@AnthonyJ350 3 жыл бұрын

I would get a Northstar battery with dual battery posts so you can attach everything on top easily.

@lylegoodluck 2 жыл бұрын

Would I only need the cable that goes from the negative terminal to the block go through that sensor? Can I still have a cable from the block to the frame and another to the alt case to the cab?

@AnthonyJ350 2 жыл бұрын

Yes that's correct. Only wiring going to the battery goes through the sensor. Motor to frame does not need to.

@bass-n-truth-inthestix9083 3 жыл бұрын

Do I need to worry about this on a 05 lly duramax (Sierra hd2500)? Recently installed a mechman 370 elite series and I've been having issues getting the job finished. Having a hard time finding a 12v switched ignition source, for the blue wire from the harness provided by mechman. Thought I had it, everything seemed legit... put my truck in gear and I get the battery warning light and it says "battery not charging". I have a dual battery system under the hood and a 3rd xs power d5100 under the back seat. Xs power big 3 kit ofc of course 1/0. Everything is done right as far as I can tell.

@AnthonyJ350 3 жыл бұрын

I believe the heavy duty trucks don't have this system.

@helloworld5266 4 жыл бұрын

I have a 2015 Silverado 2500LT, I'm doing Big 3 , 320Amp Irragi alternator , and second battery... I plan to run the following: 1. Power from Stock Battery to Power of Second Battery 2. Ground from Stock Battery to Second Battery. 3. Power from alternator to Stock battery. Ground from Alternator to frame. 4. Ground from alternator to body. ALL 1/0 Gauge and Fused in proper locations. Which of these wires needs ran through the sensor? And do you see any issues with this setup? I'm doing this work this week.

@AnthonyJ350 4 жыл бұрын

Everything looks good. I think you covered everything and it'll will be a better setup than most people with sound systems have. You just need to get the ground from the main battery through the sensor, since you have everything daisy chaining from the main battery, you should be good. kzfaq.info/get/bejne/n5mBhKSl1M27ZGQ.html I'd like to know how your system goes after you're done.

@barrysoileau5319 3 жыл бұрын

??Hmmm....i noticed something similar on my 2012 f150. Found somewhere where this ring looking thing on my negative battery wire is part of fords battery monitoring or management system. Wonder if it's the same as with this post about the gm's.

@AnthonyJ350 3 жыл бұрын

It would be very similar. Most manufacturers seem to be doing something like this.

@seangowan7441 3 жыл бұрын

My 2018 Chevy Malibu has the battery current sensor built-in to the negative terminal, one peice. Do I hook up my added ground to the same spot my stock ground wire is on the sensor. I was told by my mechanic not to do that. Do I need to hook it up the same spot as my stock ground wire on the sensor?

@AnthonyJ350 3 жыл бұрын

Can you replace the wire with a thicker one?

@n8r8ts41 10 ай бұрын

Depends on the type of sensing the device utilizes. Normal ameters read magnetic Flux to read current, if I'm not mistaken.

@AnthonyJ350 10 ай бұрын

Thanks for the comment

@tylerdirden3416 4 жыл бұрын

Another great vid for my 99 230k miled Z-71 la, thx and keep em coming!!!

@AnthonyJ350 4 жыл бұрын

Thanks, don't worry we have a lot of GM truck videos.

@kentdiimmel Жыл бұрын

I have been going through your videos trying to find something to help my issue. 2001 chevy 1500 5.3 engine. Ive been running a sub amp and 4 cuannel amp for 3 years with no issues until now. All of a sudden the Sub amp turns on but the 4 channel won't come on unless sub amp is disconnected from the circuit. New battery, new 4 channel amp. I have 12 volts at the remote wire but only 7 volts on the main power wire. Tried wiring the amps directly to the battery (no inline fuse just for testing) and still only 7 volts. If I disconnect the positive cable from the circuit I have 12 volts on that positive cable. As soon as I connect it back to the distribution block I'm back to having a voltage drop. Any advice would be much appreciated.

@AnthonyJ350 Жыл бұрын

What if you take the distribution block out of the equation?

@mafosa8519 5 жыл бұрын

does your alternator positive cable go to the battery or starter?

@AnthonyJ350 4 жыл бұрын

The one I added goes to battery.

@erictornberg1989 4 жыл бұрын

Dont know if you can answer this. I have a 2000 gmc seirra when I drive somewhere and shot it off the battery act's like it's dead but if I come out 2 hours later it starts. Is that one of the grounds doing this been trying to figure this for a while. Thanx

@AnthonyJ350 4 жыл бұрын

It might be, how old is the battery. I have a video that goes over the grounds in a GM truck kzfaq.info/get/bejne/etecY7imnZO3fp8.html

@efrenp.9862 4 жыл бұрын

Hey Anthony can i remove the stock wires that are running through that sensor and just have 1 2/0 cable through there or do i need to leave those wires there and just downgrade to a cable that fits in the sensor along with the stock wires? You think 1/0 cable would fit along with stock wires? Thanks

@AnthonyJ350 4 жыл бұрын

You can replace it with newer thicker cabling.

@efrenp.9862 4 жыл бұрын

AnthonyJ350 sorry i didnt explain myself i have a mechman 370 amp alternator running a 2/0 cable to negative battery post but that 2/0 dont fit through sensor witht the other 2 cables that are already there so im guessing a 1/0 cable will probably fit without having to remove the stock wires on sensor

@Denali24 4 жыл бұрын

Hello I have a 2012 GMC Acadia and installed a Mechman 370A but I am confused about this RVC / Battery current sensor I can not find any information regarding it that pertains to my specific vehicle? Any advise and help will be so much appreciated? Thank you

@AnthonyJ350 4 жыл бұрын

You just need to make sure that when you upgrade the ground from the negative battery terminal that you run it through the clamp meter.

@FERNIE801 4 жыл бұрын

So if I got a high output alt externally regulated ..... do I go through that sensor or go around?????

@AnthonyJ350 4 жыл бұрын

I would call Mechman and see what they suggest for that setup.

@natekry 4 ай бұрын

I haven’t run through that sensor I have dual batteries and the big 3 and everything works flawlessly. On 3000 watt rms

@AnthonyJ350 4 ай бұрын

Thanks for sharing!

@MIKEMOE99 3 жыл бұрын

Would it be possible to tap off & connect a second sensor for a second battery? My wires are too thick to pass through one.

@AnthonyJ350 3 жыл бұрын

You would probably have to get an aftermarket alternator with an external voltage regulator.

@Mrbulldog301 5 жыл бұрын

anyway thankyou because I never knew about that monitoring harness. I would have just avoided it so great thing to know god less.

@AnthonyJ350 4 жыл бұрын

Glad the video helped!

@thatvegashighrisedude2757 4 жыл бұрын

I don't see this in my truck , would this be the reason why my dash says battery not charging ? I've checked my alternator , working good .

@AnthonyJ350 4 жыл бұрын

What year is your truck?

@jayman2sr Жыл бұрын

Love the video. Glad I found it before I did my upgrade. Question, for the ground is it possible to use say the smd post bar to bring all the grounds to a common spot? That way the wire that has to flow through the sensor picks up those too. I plan to use a two batt set up aswell.

@AnthonyJ350 Жыл бұрын

Oh ya you can do that. Have 1 thick wire from the neg battery post, go to another distribution post and have your additional ground feed from there.

@jayman2sr Жыл бұрын

Thx for the fast reply...

@AnthonyJ350 Жыл бұрын

@@jayman2sr You're welcome

@jayman2sr Жыл бұрын

I have another question. I've done what I said in previous comment and everything seems to be holding well. My question is with the long run to hook up the 2nd battery In rear. Will it throw off the sensor if I added a second shorter ground closer to my aux battery? Or will it still pick up cause of the first wire running up front?

@AnthonyJ350 Жыл бұрын

@@jayman2sr I don't think so. Police cars do that with 2 batteries the second is added and seems fine. Monitor it after your install.

@pabloocampo9954 4 жыл бұрын

I was watching the video closely and on the minute 7:40 I saw the voltage gauge go down a little and the lights flicker... is this normal? I have an 05 yukon and it does the same thing any Idea what is it?

@AnthonyJ350 4 жыл бұрын

I have a video for it kzfaq.info/get/bejne/brSClM2hvr6rkmg.html

@pabloocampo9954 4 жыл бұрын

Thanks alot man...

@jewllake 6 жыл бұрын

what year is your truck? 05? GM started this in 05, I believe, at least in the GM trucks. I don't remember seeing this in a 04 truck i had. My 06 Yukon, and 06 Monte Carlo have this. I did see one GM car where a shop replaced the negative cable and did not run it through that amperage clamp, and it set off a "check charging system" on the DIC. The battery would also run down.

@AnthonyJ350 6 жыл бұрын

My truck is an '05. I believe you're right, if you read the article in the description they say 2005 and I believe Mechman also states 2005+ for this current sensor. Ya on that Monte Carlo, it saw no amperage flowing through the system so it basically thought everything was o.k. and didn't need to charge the battery.

@comaradelee 4 жыл бұрын

thank you. mine has one, so glad i watched it before doing big 3. it would be a waste of money. from the philippines. btw, u have 4ga in the sensor, the first is connected to the alternator ground, what is connected to the 2nd? u did not explain in the video

@AnthonyJ350 4 жыл бұрын

Thanks for watching! I have another one going to the frame. Don't forget to subscribe!

@sjquilicot 3 жыл бұрын

Hey Chris!

@crazyorwhat 4 жыл бұрын

It’s hard to see with the flash but is your instrument bezel chrome?

@AnthonyJ350 4 жыл бұрын

I swapped it out with a unit from an Escalade and had it programmed to the truck kzfaq.info/get/bejne/r6pmgatnsbLXlmw.html

@gregorykusiak5424 6 жыл бұрын

How can we determine which GM models include these sensors? If it’s on an impala, it might be on my rendezvous

@AnthonyJ350 6 жыл бұрын

Gregory Kusiak You just look at the negative terminal and see if the sensor is there.

@wayawolf1967 3 жыл бұрын

Could this be why my 08 2500 HD doesnt start charging for 5 to 7 minutes after starting it? After starting the truck it reads 12.1 volts then after a few minutes it jumps to 15.7 volts. I have three gauges and they all read within .2 volts so I know its a true reading. Any thoughts?

@AnthonyJ350 3 жыл бұрын

Possibly. I would check the factory grounds first kzfaq.info/get/bejne/etecY7imnZO3fp8.html

@rafaelmartinez3985 Жыл бұрын

So I should just add a 0g from neg post through the sensor to the alternator? Leaving existing negatives ?

@AnthonyJ350 Жыл бұрын

If you can fit everything through you can do that.

@anthonyquintanilla163 2 жыл бұрын

Ima till confused. 2018 GMC Sierra. Can’t you run a 0awg wire through sensor to distribution block to all the normal grounds? Would this not work? I just want to do my truck right but have spent two weeks trying to figure out the right way before I start

@AnthonyJ350 2 жыл бұрын

You could do it that way. As long as the battery negative cable goes through the sensor. You just don't want to bypass the sensor if you can help it.

@famousdev9707 4 жыл бұрын

Guys dimming lights will NEVER completely go away when you're running enough power. Typically big 3 will fix dimming up to 600watts. Big 3 and an agm will fix dimming up to about 1000-1200 watts. Adding secondary batteries can extend this further. And then installing HID or LED headlights that run off a balast will extend it further. This all depends on your alternater. But you will ALWAYS have voltage drop with heavy bass systems. ALWAYS. You can't make power without pulling current, you can't pull current without dropping voltage. And you can't drop voltage without lights dimming. You can only LESSEN the degree to what they dim. But if youre running close to 2000w rms. Voltage drop will ALWAYS be a factor.

@AnthonyJ350 4 жыл бұрын

Thanks for sharing!

@ReapWhatYouSow 4 жыл бұрын

After checking out your other content I'm not sure you have this truck anymore. Did you end up replacing your alternator? I'm getting alot of dimming and I have a Mechman 320 I upgraded all power and ground checked all my resistance. Taking it to a shop as soon as covid-19 allows the shop to open. Congrats on the house!

@AnthonyJ350 4 жыл бұрын

Yup, I still have the same truck and the same Mechman alternator I did the original video on. Did you run all of your grounded through the clamp? I actually did a dyno video and the Mechman was on the truck when we ran it.

@ReapWhatYouSow 4 жыл бұрын

@@AnthonyJ350 thanks for taking the time out of your day to reply. There is one ground running through the clamp from the battery to the frame. At the frame is two more grounds. One runs to the alternator and one runs to the original spot on the motor. The grounds are all connected at the same location on the frame.

@johnebuckland 3 жыл бұрын

I see my dear freinds new Hyundai has a plug on Negative Battery terminal for PCM Charging and it does not seem to charge over 13.6v at all and goes down into the 12s while driving. I Wonder if there is a way to bump up that voltage.

@AnthonyJ350 3 жыл бұрын

Maybe through programming

@wtnss1442 4 жыл бұрын

@AnthonyJ350 I think the correct way to configure the negative conductors with that dumb current meter would be to move all the negative taps from the battery negative post to a common tap location on the frame or the alternator negative post......if tapped at alternator then run a single conductor 1/0 or 2/0 from the alternator negative post to the battery negative post with the current probe on this single conductor between the battery and alternator... if tapping at common tap location on the frame (make sure ground from alternator is 1/0 or 2/0 to common tap location) then run a 1/0 or 2/0 conductor between the common tap location and the battery with current probe on that single conductor.... looks like you did a really clean install...not sure if it’s configured correctly... what a nightmare with that dumb current meter! Without that current meter you wouldn’t have to do any of that, pretty lame what gm did there.. also maybe draw up a wiring diagram and show that in a video for those who don’t know how dc pwr systems work... or not.. :)

@AnthonyJ350 4 жыл бұрын

I think there is more than one way to skin a cat. My truck changes voltage appropriately and goes through the modes without a problem. My sound system never has any issues either. I'm sure your suggestion will work just as good.

@wtnss1442 4 жыл бұрын

Rite on... :) sounds like it’s workn like a champ.. tested and approved is always the final certainty. I jus immediately thought when you mentioned in the vid that you added another ground through the current meter that would only be correct if they are parallel conductors (essentially creating a larger ground conductor out of two conductors) or (instead of running a single 1/0... run two #4awg’s parallel) if there both coming from different locations then the current meter will not be accurate... jus a thought...not sure how it’s configured...but sounds like you got it... if it’s workn no need to mess with it :)