New Fuel Pump - Still No Fuel Pressure - Now What? [2012 Ford E350]

Рет қаралды 38,628

Күн бұрын

Why would we test for spark when we have no fuel pressure? This is one of many important troubleshooting techniques we cover in this video.
00:00 - Introduction
00:55 - Checking fuel pressure
01:20 - Checking for spark
02:30 - Checking fault codes
04:10 - Looking at engine data
06:30 - Researching the system
10:30 - Checking wiring at fuel pump control module
15:35 - Repair
21:15 - Making taping harder than it needs to be
23:16 - Final checks/Outro
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On ScannerDanner Premium I will bring you right into my classroom at Rosedale Technical College. You will find page for page lectures taken right from my book as well as exclusive classroom type case studies. What is so special about these classroom case studies? I pull live problem vehicles directly into my classroom and we troubleshoot them in real time, using and applying the theory and testing procedures we learn during the classroom lectures. There is no better on-line training of how to troubleshoot automotive electrical and electronics systems anywhere!
Disclaimer:
Due to factors beyond the control of ScannerDanner LLC, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. ScannerDanner LLC assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. ScannerDanner LLC recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of ScannerDanner LLC, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not ScannerDanner LLC.

Пікірлер: 231

@MrSubaru1387 10 ай бұрын

I am one of those southern boys, glad I don't wrench up north! 🤣😂🤣😂

@claytoncoolidge992 10 ай бұрын

Ya it will give u a whole new look at a Subaru especially when you have to replace rear cv shafts due to being seized in the bad wheel bearing.

@MrSubaru1387 10 ай бұрын

@@claytoncoolidge992 I’ve gotten my hands on a few rust belt Subarus, down from the NC mountains. Not a fun time, but have gotten them done.

@claytoncoolidge992 10 ай бұрын

@@MrSubaru1387 ya u want some Michigan rust? 😂😂😂 can send it to you by the lbs

@MrSubaru1387 10 ай бұрын

@@claytoncoolidge992 no thanks! 😂😂😂

@techdetectivepty5035 10 ай бұрын

Mr. Danner.... that happiness in your voice, when you find the cause of that trouble, shows that you enjoy and feels passion like the first time you were successful finding the solution to that class of problems. Thanks for that passion and keep doing that way!!!

@MaartenP-vd3mo 10 ай бұрын

the sun is shining, the kids are nice to each other, my wife looks fantastic AND an SD video at Pete's!! This should be a beautiful day. Happy Sunday everyone!

@ScannerDanner 10 ай бұрын

😊

@sim1manson1 10 ай бұрын

I like working on vehicles, but the problem solving stuff makes me love it, especially when I win.

@canadatransistor 10 ай бұрын

slow down to go fast! a great thing. Eric O also touts that. Prepare a plan for what you want to check and think about what you're anticipating to see on the scope, scan tool etc. This is the fundamentals for any troubleshooting for any trade. When you master this, you can accomplish so much more on so many topics. Paul you always do a great job driving this method home for your audience and the results speak for themselves.

@ScannerDanner 10 ай бұрын

Thank you!

@toddw.9845 10 ай бұрын

I still solder and heat shrink , been doing it for 30 plus years as a professional . Hasn't let me down yet and yes I work in the rust belt. You are a great teacher and have a great you tube channel.

@user-uj1xg7hb2u 2 ай бұрын

Each Day I watch your Videos I get more valuable experience in the Vehicle Diagnosis and I'm sure I will be professional Auto Technician. Thanks Danner ❤❤❤

@ScannerDanner 2 ай бұрын

Keep it up! Looks like you've been watching a lot!

@waynetyson3951 10 ай бұрын

Paul, I absolutely love watching and learning from your videos, please keep them coming 😊😊

@isalmankhan1 10 ай бұрын

Indeed it's been a very very long time at Pete's, really nostalgic I remember all the great lectures you've produced from this place over the years, Simply AWESOME👍🏻 THANKS FOR SHARING SD😍 SPECIAL THANKS TO CAMERAMAN CALEB😎 STAY BLESSED GUY'S❤️

@ScannerDanner 10 ай бұрын

Thank you my brother

@monteirojon9057 Күн бұрын

You are The Man, 🎉🎉🎉 dealing with same issues now, Thank you so much sir!

@herrkiwi3110 10 ай бұрын

Sunday morning , cold n wet here in NZ but coffee's hot and watching a SD video what better way to start the day. Thanks to you both for making this happen.

@ScannerDanner 10 ай бұрын

awesome thank you!

@Jay-vi7el 10 ай бұрын

Teach how you teach brother, i love how you give the details on parameters!

@stationaryenginesworldwide 10 ай бұрын

Great video guys ! Good to see you back in the field doing Diagnostics..I truly believe it’s these type videos that put you where you are today …thanks Paul and Kaleb ..team effort that’s the best

@robertleifeld225 10 ай бұрын

Me too on this. I watched all of your older videos and learned so much. I am retired now and would really appreciate knowing more about the bidirectional capabilities of the Topdon scantool as that one is in my price range $1000 and perhaps compared it to the Launch tool. Again thanks for a great education in diagnostics.

@ScannerDanner 10 ай бұрын

I'm still in the field at my brothers shop too and he always gives me all the hard ones lol

@ricktricksfixx5970 10 ай бұрын

I enjoy seeing someone with a very similar intensity too properly diag,and repair,,You're awesome Paul

@SAMSAM-zr3hs 10 ай бұрын

Well Done, You guys are doing brilliant, and your son is perfect in editing the videos and highlighting key words and functions on your scanner footage, Once again Thank You So Much.

@ScannerDanner 10 ай бұрын

he will love this comment! as do I! I'm sending this to him. Thank you so much and I agree about his editing and work he does for me

@nickmayo2974 10 ай бұрын

You're 100% right on the challenges rust belt techs see that other regions don't. I see stuff you, Eric O and others work on and the issues you face are dramatically different. I'm in CA and the moment I look underneath a car and see it's an east coast car my entire troubleshooting mindset changes. In other words, we're spoiled haha. Great lesson as always man!

@IAMNOSLEEP 10 ай бұрын

Awesome. Thanks for sharing Paul. Cheers.

@gregmccarter2176 10 ай бұрын

Scanner danner has taught me a bunch...

@daddy14172722 10 ай бұрын

thanks for this video. I think you have been doing a great job on not only the repairs, but the teaching you do to help others on the repairs...

@codo7 10 ай бұрын

Thank you, Mr. Danner.

@PaulCTownsend 5 ай бұрын

Great video and info thank you Paul Danner.

@flycatchful 10 ай бұрын

Excellent diagnosis and trouble shooting.

@htownblue11 10 ай бұрын

Great stuff as always Paul!

@cardiaglexia995 10 ай бұрын

Very interesting diag. Thanks for this video.(danke paul & sohn)👍🏻👍🏻👍🏻.

@labrat6910 10 ай бұрын

Hello Paul.Awesome content as always.Thanx bro!

@erikkirby1 10 ай бұрын

Up here in Quebec, The ultimate rust belt i deal with those types of fault everyday! visual inspection as you teach!!!

@Paul1958R 10 ай бұрын

Caleb/Paul, Great video, diag, and repair - thank you! Paul (in MA)

@aymenmohamed1134 10 ай бұрын

Awesome job

@alrifainidal 10 ай бұрын

Well Done, you guys are amazing and brilliant perfect fix , special thanks to cameraman caleb i just fall in love with his video how clear it's and very easy to understand

@ScannerDanner 10 ай бұрын

Thanks so much!

@Pablo_Automotive 10 ай бұрын

great video team Danner, thanks

@gordondowdy833 10 ай бұрын

As usual SD !!! Another great teaching !!! I have got to upgrade my scanner !!! I love the fact that it has everything at your disposal... Keep up the Videos and Training !!! Love you guys and God bless !!!

@ScannerDanner 10 ай бұрын

The information system I was using is not tied to the tool. It is called ShopKey Pro (Mitchell On-Demand) and it runs about $160 a month for the program. Not cheap. If you are a DIY guy and just need it for a few cars a month, you can purchase the info (same as I use) for individual cars for $20 for a months access and I believe you can print too? Pass that off to your customers eautorepair.adtrk.biz/?a=10817&c=24&p=r&s1=

@gordondowdy833 10 ай бұрын

Thank for that info ! I used all data when in the business...Glad you clarified that...

@OzFrog48Z 10 ай бұрын

I agree with you about starting either. It is so volatile that I've seen the hot wire on the MAF sensor ignite it and actually blow up the air cleaner housing. Way back I cranked over a car that was towed in and had so much either in it you could smell it across the parking lot. There was an explosion that blew the valve covers off of the engine.

@billrimmer5596 10 ай бұрын

Pete’s garage? A SnapOn scan tool? It’s gonna b a great Saturday. In one of your recent videos, I think u mentioned it’s hard to beat the SnapOn for its recording features and other good things about it. I have been using my old Verus a little more. I forgot to mention Caleb and his skill set!! Thank u both!!

@ScannerDanner 10 ай бұрын

It was great to be back!! Thanks Bill

@shanestrains2849 10 ай бұрын

It's funny I just rewatched the video where you bought those Snappy crimpers, great fix and diag

@James-fs4rn 9 ай бұрын

👍 another fine video!

@stuckinmygarage6220 5 ай бұрын

@21:25. Thank you, Whoever it was!!

@kellyrak2711 10 ай бұрын

Great video

@Steve.191 9 ай бұрын

Thank you 👍

@reynaldohernandez8529 10 ай бұрын

another learnning experience Danner,,,

@user-io3hw7hx7q 10 ай бұрын

AWESOME OUTSTANDING JOB THANKS

@LuisGonzalez-jh3um 10 ай бұрын

Always learning from you bro, thanks from SoCal! Love your teaching style, practical and real world stuff for us road techs. Been using those heatshrink crimp connectors for a few years and they’re great! But we don’t have rust…

@ScannerDanner 10 ай бұрын

Awesome! Thank you!

@docdiesel422 10 ай бұрын

I love fixing things brought in on a hook or from another shop with $6 in consumables, makes up for the really tough ones

@paulfiebke3909 8 ай бұрын

Good seen you and your son working together, keep yo the good work

@Phantomas2011 10 ай бұрын

Love your videos dude especially on old Fords Frame 13:37 👍👊

@TheWalterHWhite 10 ай бұрын

Man I miss working in the shop. I don't miss an aching back and torn up hands every day, so I do it for fun now. There is something awesome about being in the shop with some great co-worker's, good tunes (heard the Journey playing), and the vehicle isn't fighting you.

@pete1323 10 ай бұрын

I love the salt belt. Green wires and job security!

@miguelcruz2131 10 ай бұрын

Gracias amigo

@rickchapman3707 9 ай бұрын

ANOTHER GREAT VIDEO

@ghost37666 9 ай бұрын

The socket mini roll tabe idea was South Main Auto's Eric O. idea, at least that's where I saw it first. Nice of you using it.

@ScannerDanner 9 ай бұрын

So Eric taught you guys and one of you guys taught me 🙂

@ghost37666 9 ай бұрын

@@ScannerDanner that doesn't mean you aren't the master 😉

@fascistpedant758 10 ай бұрын

My first move on those old Ford trucks was to slide under it and confirm that the FPM and wiring were corroded. They picked the worst possible place to mount a module with an aluminum housing. It helps to spray the module and connections with something to protect them from salt water and humidity.

@miket1322 10 ай бұрын

When I do not have brush on electrical tape, I use RTV. I warm it to cure it more quickly. But it has to be the RTV that does not smell like vinegar (acetic acid) as this is corrosive. I use ultra grey as it is oxime based and non corrosive to metal.

@omdcarsandairplanes 10 ай бұрын

I've been searching for info on the reason for this type of system, I was working on a 2010 expedition and the pcm was not sending out a signal to the fuel pump control module. Turned out the circuit on the board of the pcm was burned. All i had to do was to clean then jump the burned part of the circuit. But I've always wondered why there was no fuel pressure sensor on the rail, how does the pcm know what command to tell the the fuel pump module. Now it makes sense. Thank you for sharing this paul!

@raviautoscanning 10 ай бұрын

Thank you❤

@JD-526 10 ай бұрын

Nice repair, I sometimes walk right past the obvious visual inspection, bad habits die hard. Poking wires who doesn't do that.

@icbtech01 10 ай бұрын

Tape on the socket , great tip.

@jdtractorman7445 10 ай бұрын

I am all for the splice sleeves with the adhesive in them too. It's quick and easy. The key is, don't buy the cheapest ones you can find. I look at it this way, when I worked for GM, they used to supply those sleeves in connector repair kits for a reason. They work, when done correctly. It is also important to have a good set of crimpers. I bought a set online about 10 years ago that are identical to the ones GM supplied us with in our electrical tool kit. They work awesome, a perfect crimp every single time.

@Watchyn_Yarwood 10 ай бұрын

Another simple repair. Almost as simple as those blown GM fuses! Sure glad I live south of the MD line! I and a lot of others drive GM trucks so I'll be sure to remember those.

@erikturner5073 10 ай бұрын

Michigan(road salt during the winter)eats those modules up like candy. On those Ford trucks after i check for spark and fuel pressure like you did i usually make a bee line for the module (they split) since that issue is so common, as well as the wire corrosion issues.

@exmotorsports 10 ай бұрын

Oh Man, Altho we didn't get him on camera, it's Great to see another video from Pete's Garage. 😊 Got another viewers tip for ya...store that liquid tape upside down. That'll keep it from drying out as easily. I'm sure you've probably heard that one before. Lol Thanks for another great video bro. Cheers 😎👍

@richardfoster9499 10 ай бұрын

Paul I got one for you, I changed the fuel pump on my 89 F150, I put everything back together truck would crank, but not start, I check for power and ground at the pump, the fuel pump would work if you took jumper wires and hooked it to a car battery, but wouldn't work if connected to the truck harness. Something told me to check the wires at the pump, the wires on the pump were crossed. I switched the wires truck started right up. Always do a visual inspection

@happygarage6310 10 ай бұрын

That Tessa tape is worth every penny for wrapping harnesses. The fabric tape is also quite good if you need more flexibility, or your on the interior near chaff areas.

@kyletuttle9064 10 ай бұрын

Great video thanks for sharing.

@bxb590 10 ай бұрын

Paul, Before you begin think: If this is hard, I'm probably doing this wrong and if this is expensive, I'm probably doing this wrong. Most repairs are not that hard. Another great video. Keep up the good work.

@howlinhog 10 ай бұрын

I'm with ya on the starting fluid issue. Except that I refuse to use it and you cannot find a can of it in my shop. It's way too easy to use my KV paddle to check for ignition (sometimes) LOL.

@ImNotADonutUMAI 10 ай бұрын

Thank you for your wonderful videos.. I am still learning alot from you.. Cannot wiat for another video.. Thanks from Mexicali,Baja California Mexico.. I live about 15 minutes from the USA boarder which would be Calexico,California.. Thanks Again from Franco Perez. May God bless you and your fam.

@juanrodriguez-ry6yt 10 ай бұрын

buy his book money well spent compralo

@ScannerDanner 10 ай бұрын

thank you Juan!

@ScannerDanner 10 ай бұрын

thank you!

@alialix2076 10 ай бұрын

Dan ... Thanks a lot bro..Caleb also.

@ScannerDanner 10 ай бұрын

Paul Danner :-) and you're welcome

@richardcranium5839 10 ай бұрын

i've seen the green crusties wick up a foot and a half into a wire. its a pain but i cut and strip till i get clean copper no black or green. best thing i ever used was butyl tape. years ago it was available through euclid heavy duty. nasty sticky crap but it worked like nothing else

@terrybarkman3219 10 ай бұрын

With these early to mid 2000 trucks n vans if I see them at work one of the 1st things I do it look at the FP driver modules/wiring. Very common fault on these Gravy work up here in Canada

@abdalqadr1 4 ай бұрын

I watch this video from Iraq Thanks for u

@ronbown3836 10 ай бұрын

The heat shrink crimp connectors are great except from where you crimp it causes a break in the heat shrink and corrosion sinks into those areas. If I have some of that liquid tape I put a little bit liquid tape on that as well and that would not have issues down the road.

@ScannerDanner 10 ай бұрын

The ones I use have an adhesive that will fill any splits in the outer shell from crimping

@tetedur377 10 ай бұрын

I'm old enough to remember working at Ford and having to go through those giant breakout boxes. They were better than poking holes in wires, even in Southern California - we did have that coastal strip that extended 10 miles inland. I've seen some sh*t. I also remember those rollover valves. Great in theory; in execution, not so much. A traffic or speed bump could set them off. I can't remember if that light duty black/gray wire was for radio interference, but I think it was. Maybe still is, although you'd like to think we're beyond that, these days. Remember when certain cars would get to intersections and die because of the communications equipment interference with the early PCMs? I only have vague recollections of that, since it was early enough in the production of whatever make/model of car it was, and it wasn't my make/model of car.

@ScannerDanner 9 ай бұрын

those breakout boxes sucked :-) Step 1 of a flow chart "install BOB" lol I didn't even know who BOB was back then in the aftermarket 😉😂

@garyradtke3252 10 ай бұрын

Many times I find soldering old wire nearly impossible do to the surface corrosion of the copper. In the salt water marine environment we have better luck with the crimp connectors with heat shrink and hot glue. There are times we have to run new wire from one end to the other because the corrosion has traveled all of the way up and even turning the wire to copper dust. We also use a product to coat open connections, battery terminals, and metal parts called Linebacker from Zep. It is an anti corrosion spray that dries to what I think is some kind of wax. I also use it on and in connectors if I think they might be subject to salt water spray or bilge water. Good for battery connections also. I don't think any plug connection can be made mechanically salt proof. Just one grain of it will do a lot of damage on electrical systems.

@coreybabcock2023 8 ай бұрын

Luckily i own a 98 ford E250 with the 4.2 v6 4r70w alot easier to work on and replaced fp 2 years ago still going strong too

@nevinkuser9892 5 ай бұрын

Good job and nice wiring. You could be an electrician.

@cullenmiller8170 10 ай бұрын

That’s how I found your channel many years ago while you were using shop air to diagnose an ac system at Pete’s. 😂😂

@Airman.. 10 ай бұрын

SD the GOAT

@advancedleveldiagnostics 10 ай бұрын

Great video, love when you work at Pete's! Does the light you are using belong to Pete? I only remember seeing it in his videos. Thanks for sharing!

@ScannerDanner 10 ай бұрын

No, that was my backup light, my other one finally died.

@tarekmercedes4214 10 ай бұрын

good job men®®®

@armondoborjas4362 10 ай бұрын

Hi Dan. So. I get all that. I'm really appreciating your work .👍🏻 l fallow circuits . Electronics hard wire .wireless. alarms so knowing that . Power supply is some what all ways an issue. Video signals are the same . Everything comes back to a central station . We can find voltage drop bad contacts . Bad components. We some times have to find control switches or other issues. So we can do & replace or repair every thing in front of situation. So why is finding or replacing /repairing so Dam difficult. Please lm just asking yeah lm good at what l do as you are 👍🏻

@natersalad889 10 ай бұрын

I use clear nail polish to brush over my probing holes that I pierce into wires when testing. I repair a fleet and never had one corrode later on, I'm the one that'd work on it if they did....

@ScannerDanner 10 ай бұрын

I've heard other guys using that too. Off camera I was asking Pete if he had any lol. Thanks!

@coreybabcock2023 8 ай бұрын

I bypassed by inertia switch with a 10 amp mini ATC fuse

@puremayhemFTW 10 ай бұрын

Bad ground strap on the passenger side underside. Im calling it before I watch the video. Lol

@meorge9359 10 ай бұрын

lol same here

@BigJohnnyo80 10 ай бұрын

I just had that happen to me, the weave ground strap rotted away on a 2011.

@BigJohnnyo80 10 ай бұрын

Don’t break those fuel line locking clips. Impossible to find new, or the fuel lines are practically extinct

@puremayhemFTW 10 ай бұрын

@@BigJohnnyo80 I literally see 2-3 a week for the ground strap. We have a fleet of them vans.

@BigJohnnyo80 10 ай бұрын

I tested ground and power using the body ground on the door. So I mistakenly thought I had a good circuit. NOPE! Got the pump to run off a ground from the trailer electrical connector 😞

@lop8828 10 ай бұрын

The most basic things make or break a job by hrs. I always carry a fresh battery to fit vehicle if dealing with electrical

@Discretesignals 10 ай бұрын

I believe the two speed pump function allows the pump to run at low speed under low engine loads and high speed under high engine loads.

@ScannerDanner 10 ай бұрын

in this case that is correct but it is not to control fuel pressure as that is done by a mechanical fuel psi regulator in the tank. So it would seem this is simply to reduce fuel pump volume/current flow, which allows less of an alternator load. It is silly if you ask me, but I know of other manufactures that do this too. There is a variation to this same fuel system in that they don't use a fuel psi regulator, and there would be a rail psi sensor on that design, where they are controlling pump speed to control pressure. But that is not being done here. Not sure why all this would be done to save a few pennies on gas mileage from alternator loads

@notsureigaf 10 ай бұрын

19:57 careful, you're gonna trigger the soldering purists! No crimping, we must solder so the joint will become brittle and break again in a few years.

@charleschagnon4177 7 ай бұрын

I solved a intermittent no start problem on a E350 2012 recently, it was the SRS Module under driver seat. The communication with the fuel pump went through the srs module and since the srs module was completely rusty, the signal could not pass.

@ScannerDanner 7 ай бұрын

Nice job

@supersam1914 10 ай бұрын

Thanks Paul love your videos using my SD test light it helped me diagnose my bad AC compressor on my Honda . Connecting to the positive side of the battery I read ground on the positive side of the compressor connector . With the connection in , the condenser fuse continues to blow when I disconnect the compressor power feed the circuit stays energized and condenser fans runs normally . Your videos have helped me to save money for me and my family in these tough times . God bless you and your family

@ScannerDanner 10 ай бұрын

Thank you! God bless you too my friend

@carguy1312 9 ай бұрын

Shout out from the rust belt. - WI edition. We’d be like automotive gods anywhere else.

@LorenKadison 10 ай бұрын

I noticed a blinking red light under the steering column. Even when the key was turned off, maybe we have an alarm system issue that was hooked up to the fuel pump?? This is only a thought at this point I have not seen you attack a fuel pump yet.

@ScannerDanner 10 ай бұрын

never even noticed that

@kellyanderson5150 9 ай бұрын

How ironic just last week had to diagnose no fuel and had a bad driver module was in a 2014 F250.

@calholli 10 ай бұрын

So you can actually see that it's shielded on the diagram: (11:23)... I believe that dotted circle around the FPRNT wire indicates that it is shielded; you can even see where it ties to that other ground wire: where it says NCA. I was wondering what they symbolism was (the dotted circle).. Now I just deduced that it must be a symbol for shielding- it makes perfect sense now. its so confusing when you see stuff like that and you don't know what it means. But I do now. :)

@ScannerDanner 10 ай бұрын

Nice! Oh and NCA = no color available lol

@bobomomo3764 10 ай бұрын

What's the primary circuit Vs secondary, I've seen it on fuel system and ignition system as well 🤔 any direction to a video I should watch 🙏

@ScannerDanner 10 ай бұрын

With a fuel system, that would have to be GDI systems that may use that terminology as there is a low pressure pump and a high pressure pump. I don't know, I'm not sure I've heard that term applied to a fuel system. But the ignition system, the primary circuit is what creates the magnetic field to collapse around the secondary windings to make spark. Anything on the spark side is the secondary. It starts at the coil and includes plugs and wires. The primary would be the 12v side that is switched on and off by a module or ECM Also, you could call a relay as having a primary and secondary. Again terms not used, but technically it would be correct. The primary would be your low current side and the secondary would be the load carrying higher current side.

@coreybabcock2023 8 ай бұрын

Are you in PA ? If so would you be willing to look at my van im living in and help me figure out why its a weird sound when letting off the gas as im driving maybe make a video of it i wouldn't mind driving to you i stay around DC

@calholli 10 ай бұрын

You said "it's interesting that it's often the power that corrodes, and not the ground" -- That's not always true-- and it depends on the type of metals that you're dealing with. It's known as "galvanic corrosion" and there is a range of "noble metals" that can react differently depending on how you arrange the different metals in a circuit. For example how they put a sacrificial anode on boats (usually zink I believe) to save it from corroding. Practical Engineering did a pretty good video explaining all this stuff, called: "These Metals Sacrifice Themselves to Prevent Rust"

@ScannerDanner 10 ай бұрын

With copper wire on negative ground cars, it's always the 12v side that'a corroded. Real old cars were positive ground (I may be using the wrong terms here) but the block and frame would have been 12v or maybe 6v at the time. Anyway, I wonder if those corroded differently

@calholli 10 ай бұрын

@@ScannerDanner You should watch that video explaining nobel metals though. It's worth your time. called: These Metals Sacrifice Themselves to Prevent Rust