BIG 3 EXPLAINED AND WHY YOU SHOULD DO IT!?
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Here is why big 3 is needed and how to do it!
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Big 3 Explained
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@JacobViral2 3 жыл бұрын
THANKS FOR WATCHING and SUBSCRIBING! MORE VIDEOS TO COME! ➡️Shop Audio: amzn.to/3lqomCw & ebay.us/6vdEev Join me on Media➡️instagram.com/JacobViral/ & www.tiktok.com/@JacobViral & facebook.com/JacobViral/
@georgemarshall.8806 3 жыл бұрын
Llllllllllllllpppp0p 00 ppl
@georgemarshall.8806 3 жыл бұрын
0ppp
@bigbob3409 4 жыл бұрын
Good video. Me and my buddies did that back in the 90s but we didn't call it the big 3, we just called it plain old under the hood wire upgrading. Lol
@michaelzernie7092 4 жыл бұрын
Yessir! This was the first upgrade done with the amp install. Used 2 gauge welding cable. Totally worth the work and money
@rudydaberry122 Ай бұрын
Did it make a difference even without high output alternator
@psykro5735 2 жыл бұрын
You didn’t explain the WHY to do it
@killendeezhoes 2 ай бұрын
he did within a minute of the video literally
@josephsmith6613 9 ай бұрын
Proper grounding is important on everything dealing with voltage.
@crow-vz5lx 3 жыл бұрын
I think, 4 guage is fine for the majority of people. Just get good quality wire. Most people don't need 0 . Cause, most people aren't hooking up competition sounds systems. Many thousands of watts. I get it what you're saying, but if the power requiment isn't there, than it's ok to have thinner wire. 4 guage is way fatter than stock anyways. The stock wire is a joke for sure, and for some reason, the ground straps aren't even insulated!? But. The other critique I have is the 4th upgrade. To me it seems like it doesn't do anything. The way I'm thinking about this, is that the alternator is already grounded. It's bolted to the engine. And the engine is already upgraded from the ground strap to the chassis . and the negitive terminal from the battery to engine. It's basically part of the engine, in terms of ground. I personally don't think the forth would matter. It just seems like a waste of material. I'd like to discuss this further if you want
@davidtucker4921 Жыл бұрын
i used 4 guage i only got a 1200watt amp i dont think i need 1 gauge yet
@theworstgamervr Жыл бұрын
My amp only supports 4 gauge lol but without a alternator upgrade or dual battery probably not much need for 0 gauge. 4 gauge will handle the 130 amps just fine at that length
@terrylawrence8976 3 ай бұрын
Yep. Exactly right
@Fatboy28206 4 жыл бұрын
Really enjoying your second channel and the knowledge.
@dpsplashman 3 жыл бұрын
Good video bro! Thanks.
@NoiseBoysGarage 3 жыл бұрын
I’m running 5 runs to the rear 3 power an 2 grounds all 0 gauge
@kiddgunther3580 3 жыл бұрын
Thanks Jacob🙌 I needed this knowledge😂
@JacobViral2 3 жыл бұрын
Your welcome! Be sure to subscribe if you haven't!
@user-dn8qo6bh1q 11 ай бұрын
Plus I'm going to give it a thumbs up,... keep the info coming it really helps.... I'm TYRONE....
@kielthalin9888 4 жыл бұрын
Always fuse the Positive (power wires) closest to the battery. That is a big mistake to not fuse that lead to the + side of the alternator. If that shorts out, oh my.
@undergroundking217 4 жыл бұрын
Kiel'thalin When picking a fuse, lets say if your running a mechman 240, would you put a 250amp fuse?
@kielthalin9888 4 жыл бұрын
@@undergroundking217 that would be fine. There is a very slim chance that a short would occur, but it is extra security & peace of mind if a mechanic or yourself bumps the alternator + terminal with a wrench or the vehicle is involved in an accident. Take the extra effort & disconnect the negatives from batteries when working on or around exposed terminals. I don't want to be a safety sally, but connecting a dead short across the battery terminals with 1/0+ cables is not something anyone with a sane mind would do on purpose.
@undergroundking217 4 жыл бұрын
Kiel'thalin I need the piece of mind. Thanks for the info. 👊
@undergroundking217 4 жыл бұрын
Kiel'thalin I think my oem alternator is finally giving up. Voltage at 12.3-12.5... I had installed my XSPower and I was up to 13.9-14, but I overtime I noticed reading less and less every time I started the car... I noticed this last night, so I came home and checked it this morning. I was around 13.5, so I left and about 5-10 minutes later it just sits at about 12.3 lol. Idk I should drive it anywhere until I get the mechman 240 in. I’m just waiting on my big 3 to arrive.
@jesseh9174 2 жыл бұрын
My wire jacket split wide open from to much engine heat, luckily I was fused and it prevented a really bad day.... Always fuse!!!!✌️✌️
@precisiont5188 Жыл бұрын
Should I run the positive or negative wire from the battery and to the metal part of my engine? I am confused.
@ChaosTherapy719 2 жыл бұрын
After Watching JP from D4S explain the difference between a 12v a 14v and a 16v system was an eye opener yo!! Big 3s are more a 14v system necessity then a 12v upgrade.
@growingup4487 Жыл бұрын
more overhead
@j-remy9832 Жыл бұрын
Nice video, good explanations. Keep it up bro 😎👍
@JacobViral2 Жыл бұрын
Thanks glad to help
@childishd7368 4 жыл бұрын
Is it ok to run different sizes of batteries? Different brands? I just put a platinum AGM battery under hood am planning to run several small kinetiks in the back because I only have maybe 5in. to spare. One other question. Shouldn't the ground to alt take care of ground to engine block if alt casing is grounded directly to the block?
@JacobViral2 4 жыл бұрын
It’s fine long as same technology, and for grounds it’s safest to double up and do both but realistically same thing but two different locations.
@texasdreammaker1 Жыл бұрын
Thank you Sir 🎉
@JacobViral2 Жыл бұрын
Glad to help 👍
@troy3456789 2 жыл бұрын
@01:04 AGM (Absorbed Glass Mat) batteries are also lead/acid, but the lead is 99.9% pure unlike standard flooded lead acid batteries, and there is a fiberglass separator between the plates. Optima AGM batteries have six each, 2 volt, spiral cylinder cells. Flat plate AGM batteries are very similar to a flooded lead acid battery, but the design, construction and materials are quite different. They have 99.9% pure lead plates, and and have an AGM separator between the plates.
@timm5970 Жыл бұрын
Agm and sla batteries are the same. Agm just has a matt, made of fiberglass, that absorbs the lead acid, hence Absorbed Glass Matt
@kinetik3926 3 жыл бұрын
What alternator belt did you use on this if you have the part number would be great thanks
@Mr2SMOOTH24 4 жыл бұрын
Gr8 tutorial bro
@willyvette76 Жыл бұрын
And here I always thought the big three was upgrading the wiring (everything just described) as step one then upgrade your alternator to a high amperage model as number two and finally upgrade your battery as the third and an optional forth of installing a high Farad capacitor to the positive side. But I looks like I was wrong. I mean upgrade the wires without the other two isn't that big a priority as the stock system is set to fully handle the stock output of its alternator.
@timhowe6090 3 жыл бұрын
Soooo you had 3grounds on the alternator due to a back battery correct????
@tehpanuychikon168 3 жыл бұрын
What if I keep my stock battery stock but go up to 1000ca/800cca instead of 700ca/550cca??
@NoName-gk2sj Жыл бұрын
I just got a 290 A alternator but the mechanic took the pulley from the 290A and added the stock one. 290A has 9 lines and my stock one has 6 lines. Is that a big No No
@outofmind9222 Жыл бұрын
I wouldn’t leave that engine ground hanging down like that, I’d look it and ziptie to factory wiring. Also, did you not in-line fuse your power > alt wire? I have a Honda with the stupid ELD sensor so idk if it’s going to help but I’m gonna try it anyways, good video though brother
@irvinvega6616 3 жыл бұрын
Doing this upgrade will help my battery wattage from going down everytime i turn up my system?
@JacobViral2 3 жыл бұрын
Yes battery upgrades help plus secondary battery.
@jamesdschlachterjr.506 2 жыл бұрын
I understand the reason for multiple grounding points. My question is, why ground the battery(s) back to the alternator?
@JacobViral2 2 жыл бұрын
The alt is the main source of amperage supply to the batteries to its a direct line to it.
@aneelkanhai143 4 жыл бұрын
I am learning so much man tanks for great videos
@seanhatch4425 2 жыл бұрын
Hi Jacob! My oem wire from alt to battery goes to a fuse block under hood. When doing the big 3 charge wire do I bypass the oem alt to battery wire a d leave it in place then do my 1/0 from alt to battery? Or do I run my 1/0 like the factory did to the oem fuse block?
@JacobViral2 2 жыл бұрын
Stock Fuse block I never needed to touch, just add wires to the critical.
@seangowan7441 3 жыл бұрын
Can it drain my battery faster if I have my car in ACC. or RUN without engine running?
@JacobViral2 3 жыл бұрын
Would be the same if vehicles off honestly that is a different variable
@WillyBeamGSXR1k Жыл бұрын
Question. On my 06 F150 my engine ground block is on the back of the motor and stock 8g wire ran to the firewall. Would I be able to use that ground from the firewall to the battery or go directly from the starter to the battery?
@JacobViral2 Жыл бұрын
Double up both grounds if able.
@QaibQusRoobKujYem Жыл бұрын
Thank you for showing your upgrade. I still confuse why you use black wires to hook on the battery positive terminal. Very informative video.
@JacobViral2 Жыл бұрын
It’s what I had and used it, color is just cosmetic. Thanks glad to help.
@ryancatlin2888 2 жыл бұрын
How much 0 gauge wire do you think you used for the big3/4? Figuring with 2 batteries like you did.
@JacobViral2 2 жыл бұрын
They have big 3 kits; amzn.to/3HMsIij ; you can use for under hood only. The back isn’t part of big 3 but an amp kit.
@precisiont5188 Жыл бұрын
Wouldn't running positive and negative from the battery and to the alternator make the alternator turn or is there a feature to avoid this?
@Omgkhii Жыл бұрын
The alternator doesn’t turn unless the car is running. The alternator has to be connected to the battery so when the car is running it charges the battery
@josephweber4123 3 жыл бұрын
I have my power ran straight from the alternator to a second battery and then have the amp hook to my second battery I had to take my system out because every time I was at a red light for a stop sign and even if I had the music Low when I would start driving again the truck would really struggle I have a 2009 Ford F150 with two 12in 10000 watts each with a 4500 watt amp I already replace my alternator once and a new battery would I have to still get a high powered alternator or do you think if I just ran the big three it would help a lot more or should I do both? Sorry if my question is a little confusing or a little bit everywhere
@JacobViral2 3 жыл бұрын
It’s going to always be best to cover every option so both 👍
@wiseguy6140 3 жыл бұрын
I have not seen any videos or verbal content displaying someone doing the big 3 on 2013 Kia Optima can it be done to these vechiles
@fosholyfe6115 3 жыл бұрын
You run the Kia over the scales and get you a vic or marquis 😂😁
@JULIANysuHOHNER 2 жыл бұрын
If a have a 4gauge wire is still worth installing a big 3 with the same 4gauge wire?
@JacobViral2 2 жыл бұрын
It would work but suggest 0 gauge amzn.to/3rp2XxG
@2ghettoTim 4 жыл бұрын
Might not be the prettiest but it works! 😂🤣 u kill me with that line! And u changed it up a word or 2. 🤔
@psementalist 4 жыл бұрын
Sweet bass action brother wise words of wisdom knowledge and education spoken from a very wise man who knows car audio
@lukegale717 Жыл бұрын
What if there's a fuse and relay Box in between the alternated charging cable and the battery positive? Should I bypass the box or just upgrade both wires?
@JacobViral2 Жыл бұрын
Upgrade/add additional wire direct from alt to battery, fuse if desired
@ryanrivera6733 3 жыл бұрын
I have a 1978 ford ranchero and i need help doing the big 4 on it, its a little complicated because i have a external alternator, i also run my power cord to the starter solenoid instead straight to the alternator. Could you please give me some tips
@EvolKnives 3 жыл бұрын
Does anyone know where or how to do it on a 2006 Nissan Altima?
@outofmind9222 Жыл бұрын
If I run 4 awg power wire from battery to alt, and my alternator is rated at 120a, what size fuse would I use just to prevent damage in case a short occurs?
@JacobViral2 Жыл бұрын
Rated amps of wire, most do 250-300 fuses, but if it’s 4 awg probably 150/200
@chavycash2518 4 жыл бұрын
Hey Jacob i have a question. I have 4 dual 2ohm subs in 1 box. I currently have 1 ns1 on all 4 subs wired at 1 ohm. I want to add another amp so that i can have 2 subs at .5 to each amp. Question is do the amps have to be the same? I have 1 ns1 and want to get a salt 8k. So It'd be 2 subs running off of an ns1 at .5 ohms, and 2 subs running on a salt 8k at .5 ohms. Thanks.
@JacobViral2 4 жыл бұрын
You can do that BUT You will always have more power going to one amp set then the other unless you battle it with some real world testing and tuning of gains for say a burp but in music it’s going to be beer impassible to line up. I’ve seen a lot do multiple amp configs in the same box but you can always see some subs move more then others.
@JacobViral2 3 жыл бұрын
@King Kris 23 S.U.C 4 EVER 50-70$ for good quality wire and terminals usually.
@c0uchsl0uch 2 жыл бұрын
To verify : You grounded most/all grounds to factory locations along with factory wiring/grounds. 2, you have 2 power wires to alternator. 3, you have 4-5 wires on the negative of the battery. ,,,Will I still get a improvement by doing this if I keep the factory alternator? My alternator is only 90 amps Thanks
@JacobViral2 2 жыл бұрын
Correct also don’t forget ground to engine block and yes even stock alt more current helps
@malibufitness615 2 жыл бұрын
Should use the velgate terminal for a nicer look
@rts100x5 2 жыл бұрын
I also grounded my Alternator bracket too... after that the alt whine in my system was complete gone...
@JacobViral2 2 жыл бұрын
Nice info thanks
@MadballBaby 3 жыл бұрын
Had to check this out ,got 2 more ground add,thank you again.Maryland showing ❤️
@JacobViral2 3 жыл бұрын
Glad to help
@fishrsa9046 2 жыл бұрын
Will doing this make voltage drop even lower, or will it make the voltage drop less?
@JacobViral2 2 жыл бұрын
Less drop
@dante_m120 4 жыл бұрын
Can you put the engine block ground anywhere? Or does it have to be on the stock location
@JacobViral2 4 жыл бұрын
I would suggest stock but wouldn’t hurt to be anywhere in the engine block long as good connection as well.
@dante_m120 4 жыл бұрын
@@JacobViral2 thanks
@srtjdm1458 3 жыл бұрын
Bro what if my battery is in the trunk how would I do the big 4 with out running 10 0guage wires al the way to the front and to the back
@JacobViral2 3 жыл бұрын
You would do the same concept just longer wire runs sadly if that’s what you decide on.
@paulodelacruz9663 3 жыл бұрын
Is it unsafe not adding a fuse between the battery and alternator positive connection?
@JacobViral2 3 жыл бұрын
It’s recommended but if all secure and no overheat issues or crossovers I don’t see a problem.
@jasonhall2984 Жыл бұрын
Hello Jacob, I have same explorer engine like in this video, I ran 4awg ofc amp kit knukonceptz and now going to do big three with 0gauge ofc also knukonceptz ofc, I ordered 10 feet black wire and going to cut as I go should 10 feet be enough wire? Also ordered 250 watt fuse , and a 6 plug in set of battery terminals, so is it OK for me to keep the 4awg to amp kit with big 3 done with 0gauge or should they be the same gauge wires for wiring both amp and big 3 ?
@jasonhall2984 Жыл бұрын
So basically will it be okay using for AWG amp wiring and then using zero AWG Big 3 wiring and do you think 10 ft is plenty enough to do the big three? Maybe even do the negative battery terminal to the negative alternator ground lost the other big three if so if I ground the battery to motor block would it still be better to do the battery to the negative alternator post or is that just unless you're running another battery in the back of the Explorer?
@JacobViral2 Жыл бұрын
I would think 10-12’ is enough for big 3 yea. If the amp requires only 4 gauge then you’ll be fine. Make sure 0 gauge ran to back battery from front and fuse is good size.
@BrianErwin 10 ай бұрын
my battery is in the trunk, and the alternator is under the engine, so already going to be a complicated job..
@HIGHROLLAZAUTOCLUB Жыл бұрын
Instead of running 2 0 gauge, power and ground each from the alternator to the battery. Can you just run 1 double 0 gauge power and ground each from alternator to battery? Also in these 2 setups what size fuses will you use?
@JacobViral2 Жыл бұрын
correct that will work. Usually 250-300 amp fuses if 2 runs I always did.
@s.a.7112 Ай бұрын
Can you run a direct alternator bracket ground all the way to a trunk terminal block to ground your amplifier directly to instead of a rear chassis ground? Having voltage dips to 12.4 with heavy bass while idling at stop lights have a brand x 340 alt big 4 0guage ofc and a die hard platinum agm under the hood running a jp13 to a dual ct tropo 12 loaded enclosure the jp13 is grounded under a rear seat bolt because it was the thickest part of the chassis i could find, alt was tested by brand x at 171 amps at 800 rpm but my car idles around 600 rpm was wondering if my rear ground was the problem for voltage dip since the car is a unibody design chassis!
@JacobViral2 Ай бұрын
Yes that is actually the best ground from 1-3 ground runs front to back. Big 4 complete too under hood. You’ll want to have a back battery to die that system
@SilentBobber91 3 жыл бұрын
I have a 2013 f150 with the 5.0l coyote. I just ordered my system and will be running a Skar audio 1500.1 monoblock amp. Should I do this to my truck or will I be alright with the stock electrical. I know it doesn't hurt to do it, but I'm just wondering if it's worth the trouble and money for the 1k watt RMS system.
@JacobViral2 3 жыл бұрын
I would suggest big 3 for anyone going bigger then 1k+watts as a system that big isn’t ever made for stock electrical
@SilentBobber91 3 жыл бұрын
@@JacobViral2 okay thanks I will start looking into it!
@cyborggaming6961 2 жыл бұрын
Is it a good idea to also have a smaller pulley on the high amp alternator?
@JacobViral2 2 жыл бұрын
Some do that for Faster RPM reasons yes
@TedTedness-wu4vb Жыл бұрын
Some cars have an additional transmission to chassis grounds like my Hyundai has.
@jam222ify 4 жыл бұрын
Hey Jacob, how do you determine what enclosure to go with (port,4thO,6thO) on any given vehicle?
@JacobViral2 4 жыл бұрын
Depends on space, bandwidth goals, and preference really.
@no3mun0z 3 жыл бұрын
6th is loudest followed by 4th, then port. But 6th is also the biggest box followed by 4th and port. So you pick based on how much room is in your car. Also 4th and 6th can't play all the frequencies so that's a small sacrifice
@biggklown7644 2 жыл бұрын
What about SPL boxes? Big port area tuned to the middle of the range you want. If your range is from say 28hrz to 35hrz, I'd tune the box for 30 to 32hrz. And I love the 16in/sq for every cubic foot of box is an awesome sound. I love my box I built using sub box pro app on my phone. With a 1000watt class a/b amp pushing my Skar EVL15 D2, I can make the doors bounce, and the rough flexes...👍👍👍
@nancybarber5008 2 жыл бұрын
What's the point of doing a big 3 or 4??
@feredonferedon3998 3 жыл бұрын
What about Toyota Prius I can do that please?
@gtavtheavengergunnerlegend3340 3 жыл бұрын
I have 3k Watts and my buddy was like, this doesn't make a difference you don't need it. Glad you made this video to educate some dumb people
@emilolsson2452 3 жыл бұрын
Did it help with voltage drop?
@0n374 Жыл бұрын
Anything over 800+ watts is a must do for sure
@ronnydisalvo80 3 жыл бұрын
3:35 to 347 completely lost me and im.pretty good at hooking up systems etc...so if u can help...ready...im going 0gauge power alt to pos batt..the im going eng ground to neg batt terminal following stock run..then im grounding neg batt terminal to chasis again following stock run...so wtf are u saying with 2 runs blah blah..help if u can...im literally going to keep the pos alt stock wire to batt pos and just add my wire in addition without removing those wires...now as far as engine ground that runs to neg on my battery and meets up with neg battery terminal ground to chasis ...should i again just add my 0 gauge and connect it exact same way..or remove the original stock neg ground to chasis and engine block....as you can see ive wired alot of stuff and you have utterly confused me at 3:30 to 3:50
@burnrubber1422 3 жыл бұрын
So I'm gonna do this next to my 08 civic. Only running 1k watt amp, 2100watt sub. I was told if I run a 0 or 1 gauge I would have to upgrade the alternator is this true?
@JacobViral2 3 жыл бұрын
You can run upgraded wire on a stock alt and be fine. The high output alt would help your electrical for your system more is all with more amperage supply.
@burnrubber1422 3 жыл бұрын
@@JacobViral2 I had a feeling thanks
@MadDragon75 4 жыл бұрын
Paused @ 6:11 this doesn't apply to Honda owners or anyone else who is grounding in a unibody. The entire car is the same ground. There's no frame so don't freak out when you can't find it. 🤬🤔. Thanks Jacob!
@crow-vz5lx 3 жыл бұрын
Yeah. I have an 01 Civic. I just kept the existing wires. Just added 4 guage to them. Use a wire brush the the contact points.
@crow-vz5lx 3 жыл бұрын
Also doesn't matter. The battery is your source voltage and ground. No matter the car. everything that's "grounded "goes to your battery. So you really do need a good clean circuit with little resistance to ground.
@thomaspendleton9819 11 ай бұрын
Homie must have stock in OFC copper wiring...
@agugabri14 3 жыл бұрын
What type of battery is that? Does anyone know or have a link for it?
@JacobViral2 3 жыл бұрын
Xs Power batteries.
@kurtsasada331 2 жыл бұрын
So by doing this do i still need to hook up a second battery?
@JacobViral2 2 жыл бұрын
If you have a system I would. Also depends what your doing.
@megaman010391 3 жыл бұрын
My 2018 Kia already comes with 140 Amp alternator and 4 Gauge wires to the +/-.(200amp Fuse factory) I don't see the necessity of doing this, I'm only running one 12" - 750-1000 watt rms amp/woofer, and 200rms amp/speakers. My lights don't dim at all. Maybe its good for older cars?
@JacobViral2 3 жыл бұрын
It’s always good to double up and I would check your voltage when bumping to see how much you drop.
@megaman010391 3 жыл бұрын
@@JacobViral2 It does 14.2V when I'm bumping.
@eversoul43 2 жыл бұрын
I have a rear wheel well factory battery location which throws a wrench in this but pulled it off I think.
@JacobViral2 2 жыл бұрын
Nice will work
@eversoul43 2 жыл бұрын
@@JacobViral2 at least a big 2 lol
@scflooring8658 3 жыл бұрын
Why not do a new power wire to your starter also??
@thequietkiwi 3 жыл бұрын
Because this is about car audio.
@biggklown7644 2 жыл бұрын
I have a question or 2 about my set up. I bought a Skar EVL15 D2 and a Skar RP1200.1 monoblock class D amp. According to the owners manual and customer service at Skar, 4 gauge wire is required and Skar told me I wouldn't need to run a second battery or upgrade wiring. I hooked everything up. Grounded my amp to the chassis under the back seat bolts. Both power and ground are 4 gauge, but it's CCA wire. It's a DS18 amp kit. I first had the sub wired to 1ohm with the speaker wire ran straight to the amp. So whenever hard bass or the volume was to high, the amp would go into protection mode. Tested at the battery, the alternator, and at the amp. My volts ranged from 13.8 to 14.3. So my question is, if I'm in the right voltage range, then why would the amp go into protection mode? So then I rewired the sub to 4ohm and I still had the same problem. I checked into the alternator a lil deeper and I believe my voltage regulator is going bad in the alternator. So my other questions would be, do you think if I buy a new OEM alternator would solve my problem with the amp going into protection mode? A lot of people have told me to upgrade my wire to 0 gauge and run a second battery, and do the big 3. But all that seems excessive to run a 1200 watt amp that's 1 ohm stable. I'm sure I should upgrade to OFC 4 gauge wire, and it's ALWAYS good to do the big 3. What is your opinion?
@JacobViral2 2 жыл бұрын
Sounds like your amp is at its limit being maxed out and goes into protect from clipping and exceeding it's limit. Make sure to use a voltage meter like this amzn.to/3FyyLWV to monitor voltage as you play. You may want to do a 0 gauge ground run from the alternator to the back and not ground to the vehicle, also do the big 3 and confirm your amp is tuned right and not maxing out.
@biggklown7644 2 жыл бұрын
The amp isn't the problem. It's not maxing out like your thinking. When it was hooked up in the car, I couldn't use any of the settings. Everything was turned ALL the way down. So when the volume was to high and a hard note would hit, it was pulling more voltage than the car could produce. Also, Skar customer service assured me that I shouldn't need a second battery. But they did recommend that I at least upgrade to OFC 4 gauge wire. So I'm gonna start with the alternator and go from there. The only thing I haven't mentioned is, at the time I had the amp hooked up, the sub was new and wasn't broken in. I was trying to set the amp to a setting to brake the sub in when I found the issues. Since then I've been running the sub on an old school Lanzar Vibe 1000watts class a/b amp for 6 months or more. So the sun should be broken in. Plus it's been wired at 4 ohm this hole time. When I first wired it up, I wired it at 1 ohm like the manual said to. Then when I found the issues I wired it down to 4 ohm and have left it there since. I plan to run it at 1 ohm once I get my issues fixed. I researched for several months and corresponded with Skar untill I found this combo. They told me that it was a perfect match for what I wanted. Which is the lows and SPLs...lol
@hakanwall8941 2 жыл бұрын
Seen several videos now on this big 3, and all say that they kept the stock cable, but not why, why keep the stock cable I assume a 0 gauge cable can handle the same job as a 8 gauge.
@JacobViral2 2 жыл бұрын
Safety and doubling up runs is better then removing to upgrade size only. Also never know if you will later remove or have problems with stock being replaced so just don’t mess with.
@justinmartinez9143 Жыл бұрын
I got a question if you do the big 3 do you have to upgrade your alternator
@JacobViral2 Жыл бұрын
No you aren’t required to upgrade alt when doing big3 but of course upgraded amp alt gives more current
@PincheBeto_Bass 3 жыл бұрын
So does the power wire from battery to alternator need to be fused or not? Does it matter?
@JacobViral2 3 жыл бұрын
Safer yes but in general no it’s not needed long as you have safe secure connections and routed properly.
@PincheBeto_Bass 3 жыл бұрын
Jacob Viral2 cool I ordered one anyways, 300 amps should be fine ?
@BEAZY_5150 2 жыл бұрын
I have my ground for the alternator from bolt, grounded to the strut tower bolt and reads 0 ohms, does that make a difference not being grounded to the battery directly? Does that cause a ground loop?
@JacobViral2 2 жыл бұрын
Multiple grounds isn’t going to hurt your good
@BEAZY_5150 2 жыл бұрын
@@JacobViral2 Thanks man, so it doesn't have to be grounded directly? Now I'm having problems with my H.O alt. Battery is 6 years old, new alt. Tested alt with car running, fluxuating between 11.8- 12 then when alt kicks in, shoots up to 15v. Car is off right now, charged batt up to 12.26, took off the charger and now battery is draining back under 12.
@JacobViral2 2 жыл бұрын
@@BEAZY_5150 I would do both personally, age can be a sign of replacement too
@Thugnasty00G 2 жыл бұрын
Wish I would have known this when I was a kid.
@davidreynolds7234 Жыл бұрын
Should I do this if I’m running an amp for subs and one for just four door speakers at most pulling 2800 watts combined in a 96 explorer
@JacobViral2 Жыл бұрын
Yes definitely as your vehicle stock electrical isn’t made for the power you run for a system
@davidreynolds7234 Жыл бұрын
@@JacobViral2so I just installed a small second battery for my subs and really don’t want to spent 300-400 on a high output alternator there’s still a draw on my battery and was wondering if not having the wiring upgraded yet could be the cause of that
@AngelChavez-fz5nk 3 жыл бұрын
Hey bro i need help on the big 3. Well i dont have a ground wire from the engine block to the chassy the only wire i have is from. The block to the side.
@JacobViral2 3 жыл бұрын
What help is needed info for?
@AngelChavez-fz5nk 3 жыл бұрын
@@JacobViral2 i have 2 different ground wires from the block to the chassey. It a 2000 toyota avalon
@JacobViral2 3 жыл бұрын
@@AngelChavez-fz5nk shouldn’t be a problem just double up. Additional grounds won’t hurt.
@evan.norwalkcalifornia562 Жыл бұрын
✨🗣I need a xs power battery for my dodge charger.can u send me a link to purchase ✨
@JacobViral2 Жыл бұрын
Probably a group 34 agm like amzn.to/3ViRq0I under the hood and group 31 agm in the back. If not amazon, checkout www.down4soundshop.com/accessories/batteries/xs-power/?afmc=z2&
@basscaddy1449 2 жыл бұрын
I have 07 dts and puting js 300 amp alt in i can't find the ground that goes from engine to chassis there is a stock ground from alt to chassis can I make a new engine to chassis ground, do you know
@JacobViral2 2 жыл бұрын
Yes ground to the alternator casing and 1-2 anywhere in chassis locations.
@basscaddy1449 2 жыл бұрын
@@JacobViral2 thank you 😊
@hippo-potamus 3 жыл бұрын
Hey Jacob I know that the possibility of a short in the alt to battery power wire is virtually zero, but what happens if the alternator rectifier itself goes bad and shorts out? Do you think a fuse would be needed? Isnt the stock alt to battery cable a fuseable link type cable? Thanks
@JacobViral2 3 жыл бұрын
Fuse always is safest. Some vehicles have a fuse from alt to battery and some don’t. I noticed mine didn’t unless it ran to the fuse box after but didn’t see a fuse between it and the alt wire just wire wrap and that’s it. I would fuse if able for sure. I’ve never had issues though.
@hippo-potamus 3 жыл бұрын
@@JacobViral2 Yea mine didnt have an obvious fuse per say either but rather the alternator wire itself was the fuseable kind that is designed to break. I'm kind of in limbo as I don't particularly like adding wire breaks and IMO they only add a failure point, my power fuse cover for example kept coming off and I had to zip tie it shut. Not sure what I'll end up doing. Thanks for your input.
@25hztolife86 4 жыл бұрын
Question for anyone......How does his advice change if I keep the regular battery but have a AGM battery in the trunk?
@nathanlitko1004 4 жыл бұрын
Run a postive up to your alt and a negative run from alt casing to battery, then ground the alt casing at the chassis. What I would do
@basscaddy1449 2 жыл бұрын
Thanks for making this video where can I make a ground from engine to chassis I can't find my stock engine ground but my alt is grounded to chassis with 0 guage
@JacobViral2 2 жыл бұрын
Check the side of your vehicles panel Mount hole locations.
@basscaddy1449 2 жыл бұрын
@@JacobViral2 thanks
@basscaddy1449 2 жыл бұрын
@@JacobViral2 I got the 300 amp alt on from js alternators I wonder if there's something wrong with it because my car is staying in high 12s while driving while parked sometimes it goes up to 14
@JacobViral2 2 жыл бұрын
@@basscaddy1449 If you have a plug driving from your vehicles computer/regulator then that may be it. Idk much about alternators.
@denimstrawn7788 6 ай бұрын
Are you just leaving the old wires there for comparison. Because I’ve seen someone just hook the alternator power wire to the battery instead of the whole old connection
@JacobViral2 6 ай бұрын
I wanted to add to connections and not replace. Optimal safety and additional current flow.
@ostube6035 4 жыл бұрын
Go-Rilla It takes power to make power
@nathanlitko1004 4 жыл бұрын
Most new cars come with AGM batteries now. My kia Optima has a AGM under the hood so I left it
@shahidbowens7494 3 жыл бұрын
Aye man what year Kia you have ? Is it the ex or Lx ?
@megaman010391 3 жыл бұрын
My 18 Sportage came with lead acid, switched it to XS Power and what a difference, I might try the Big 3 and see how it does.
@DreMcKenzie01 2 жыл бұрын
Would the big 3 still work if I don’t ground to the engine ground? Just the alternator and body ?
@JacobViral2 2 жыл бұрын
Yes, doubling up and additional anywhere is always helpful but overkill at times.
@DreMcKenzie01 2 жыл бұрын
@@JacobViral2 ok appreciate that because I sure didn’t feel like finding an engine ground and running a wire to it
@halo2092 4 жыл бұрын
Would do big 3 but my Ford Focus makes it nearly impossible to get to the alternator in the first place still hold over 14v on over 3k tho that’s only doing extra ground wire.
@ChaosTherapy719 2 жыл бұрын
Some cars don't need a big 3 at all. My Nissan 200Sx was spraying sparks trying to hook the live from the alternator to the main battery and kept putting my amp into protection mode. Uninstall the live and left the ground hooked to the alternator and i was pushing over 14v and would rarely drop below 12v on a 2k draw
@ungeniusnba3565 Жыл бұрын
@@ChaosTherapy719cause you don't know what the shit you're doing
@db17k 2 жыл бұрын
you running a damn power plant in this car!
@scottymsu6063 3 жыл бұрын
Short run inside engine 4ga ofc copper wire is plenty 95% of the people and is good way past 5000w system tbh
@justforlaughs8988 3 жыл бұрын
Your alt is your source of power and your battery is just a reserve your ground is the most important more so then your positive when you run your wires guys try and run double the grounds and your chassis is on average only good upto carrying 500amps of current so if your running big amps double up on your ground wiring and run it straight to the back of you have a rear bank DONT rely on the chassis your amps and reserve banks will thank you the most efficient you can make it the more power you will put out
@thequietkiwi 3 жыл бұрын
Agreed. Copper wire is a much better conductor than a steel chassis.
@trickedoutequinox3265 2 жыл бұрын
Hey Jacob I have a 21 Chevy Equinox I looked and my battery under the hood is an AC Delco AGM 20 hr capacity/ 70 Amp Hour/ CCA 700...is that good enough to run a 2,000-3,000 watt amp for subs or should I upgrade the battery?
@JacobViral2 2 жыл бұрын
You need a 2nd back battery with atleast 80-100ah as well to support 2-3k rms. I suggest amzn.to/3auptzu Group 31 agm
@trickedoutequinox3265 2 жыл бұрын
@@JacobViral2 Jeez...100 ah for just 2-3000 watts? Could I get by on 50-80 ah? That's a lot of money for one battery
@JacobViral2 2 жыл бұрын
@@trickedoutequinox3265 yea car audio can get expensive. I mean you can get by with a group 34 amzn.to/3mf8nZ6 but make sure to do big 3 wire and monitor voltage with meter
@trickedoutequinox3265 2 жыл бұрын
@Jacob Viral2 I actually found a volt meter that plugs into cigarette lighter that is super accurate for only 15 bucks...it's really nice and goes down to the 100th like 13.43 instead of just 13.4
@JacobViral2 2 жыл бұрын
@@trickedoutequinox3265 nice and that plug works but always best for seeing voltage at the amp/back battery
@williamharding3059 4 жыл бұрын
I’m having voltage drop issues I have the big 4 upgrade I have xs batt in front xs in rear also have ground from front to rear all wires are 1/0 amp are grounded in rear of car also have a mech man alt I’m running a 2000 watt sundown amp on a 15 sundown sub and a 4 channel sundown amp for miss and highs only drops when car is at stopped position drops to 12v any idea what else I can do to fix issues
@trunkbangking 4 жыл бұрын
Are you tuned correctly?
@willcanady9772 4 жыл бұрын
My guess ....you probably need to hook to battery charger to get your system fully charge. Most altenators dont reach full charging at idle but at a higher rpm. Which may be why the drop when you stop. Always recheck connections. I always check basic stuff and work my way up when diagnosing.
@williamharding3059 4 жыл бұрын
@@willcanady9772 I just rechecked all connections over weekend even the fuse holders and amp's and the gain is set at half box is tuned to 32.
@ChaosTherapy719 2 жыл бұрын
@@williamharding3059 gains are not volume knobs dewd. Buy a cheap DMM for $10 and learn how to tune your amp correctly. No wonder your drawing so much juice smh
@robertwhitley4829 2 жыл бұрын
Xs Agm batterys are lead acid batterys
@jomysg1536 6 ай бұрын
What does the amount of guages mean? You say 8 and zero Guage a lot but I don't know they mean lol so I'm a bit lost
@JacobViral2 6 ай бұрын
It’s the thickness of the wire, 0 being much larger with more wire. Google explains it easiest is you lookup products
@chanmartinez7322 Жыл бұрын
No need of a fuse on the positive wire?
@JacobViral2 Жыл бұрын
It's always safer and recommended to fuse yes but I didn't
@nightmares2night77 2 жыл бұрын
How many watts rms can that battery power ?
@JacobViral2 2 жыл бұрын
Depending on alternator power 2-3k rms
@IsaiahBell228 2 жыл бұрын
I was wondering why should you keep the stock wiring when doing the big 3 and also should fuse the power wire and if so where do I fuse it?
@JacobViral2 2 жыл бұрын
Adding to just beefs up the electrical wiring even more, some do remove the stock but not required. Fusing is always safest yes within 6inches of power wire near battery
@IsaiahBell228 2 жыл бұрын
@@JacobViral2 so when I do it, do I fuse the power wire that comes off the alternator to the battery?
@JacobViral2 2 жыл бұрын
@@IsaiahBell228 yes you can 👍
@IsaiahBell228 2 жыл бұрын
When I fuse it what do I go by to select the fuse size?
@JacobViral2 2 жыл бұрын
@@IsaiahBell228 Standard 0 guage wire rating at 18-20', I always just did 250 amp fuse and did 2 runs to double up.
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