Chevy Truck: Short In Turn Signals / Keeps Blowing Fuse

In this video I have a look at a 2008 GMC that came in with a customer complaint that there is no left turn signals and it keeps blowing the fuse. It was at another shop and now it is our turn to have a go at it. -Enjoy!
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Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair 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 South Main Auto Repair, 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.

[@lexteakmialoki5544]

Fixing these problems as quick as you do is amazing. Pressing on when the truck has been hacked in 100 places and still fixing it is next level stuff. You are the best, thanks for the free education.

[@paulmonk7820]

Just added another hack.

[@stevewhite3424]

@@paulmonk7820 Yup! And if the customer wants to pay for him to disassemble the door and find the problem on a circuit that isn't even used then I'm sure Eric will give him a price for doing so.

[@michaelpeckover6047]

Fixes all faults in around 30 mins. lol

[@jim575757]

@@paulmonk7820 Ill bet you there is more going one then just one shorted wire in that door. I hope the customers pays for disassembly of the door.

[@jonnywilson9117]

@@paulmonk7820 Where was the hack? Watched the whole video. Didn't see him contribute to the hack jobs. So where was it?

[@adambatko4773]

It is absolutely impressive how you manage to track these stupid little issues down the way you do. Well done sir.

[@richard1835]

Where would we be without SMA's videos? I have to continue my education and without Eric's videos I would be less educated. Thank you SMA.

[@MrChato004]

Eric, you are a trouble-shooting master at finding after-market electrical disasters in cars and trucks! I don't there are too many people to deduce these types of problems any more-it's time consuming and frustrating (evidence on the broken parts). However, with your years of experience, you patience, and your handy-dandy wiring diagrams, it's a joy to watch you break apart complex diagrams into segments to find ..."there's your problem, lady!" As an educator, I find your methods easy to follow and inspirational for back-yard, shop, and professional mechanics the world over. Great Job!

[@brianblithe2271]

rock city

[@fhkqdude]

I heard him say shit! I heard him say shit, now I can trust him as a mechanic

[@robertweir9034]

Your right. And it ain’t the first time he said it. He usually apologizes for it. But, we can easily understand. Lol

[@whyarentumadbro]

Eric I love watching your diagnostic process. This video in particular was super interesting. Thank you for making these videos while running a busy shop, we know it's a pain in the ass.

[@G31mR]

Part of the reason I watch SMA is for Eric's theorizing. There is interesting wisdom in what he says, not just in what he does.

[@crazymatt2482]

I wish that I had a trustworthy and helpful mechanic like you in my area.

[@micktepolt6276]

you hit the nail on the head, the wiring is always there in almost every option , good job

[@Fix_It_Again_Tony]

@@sithlord1swfan132 Not saying you are wrong, and I can surely believe it, but it's just odd because the diagram shows two different configuration which would imply different harnesses, at least on the cab side. Other manufacturers surely use the same harness in vehicles without all the option too. My Nissan truck didn't come with fog lights. No bulbs, housings or switch, but the harness was wired for lights and the control module had the fog light fuse and relay. Connectors were taped up behind the bumper. I reused the factory wiring for auxiliary lights with an aftermarket switch. But the wiring diagrams don't show the fog light wiring as optional either.

[@timm7885]

Ok my back is having phantom pain just watching you up under the dash.. well done Mr. O

[@joebuckley9940]

Anothet Masterclass from Mr. Class Act. Nice job restoring my faith in the auto repair industry.

[@frankmuschetto3385]

Another outstanding video Sherlock O. Your skill at logically dissecting circuits and coming up with an effective way to determine the source of the problem is outstanding. Yeah, you've got a lot of experience however you don't allow that to take you down the wrong path by jumping to a conclusion. When you finally close your toolbox for the last time, you would make one helluva teacher and continue to make things better.

[@pabloarris]

Would that be Sherlock Ohms 🤔

[@cogidubnus1953]

@@pabloarris Bravo!

[@pauldionne1665]

S.M.A. SHERLOCK MASTER of AUTO show .

[@brandonmccabe9923]

Perfect timing was just watching an older video

[@thomash1923]

Wow Me too

[@Paul1958R]

"...simply in this instance it's because it's easy - somebody's already been here and busted everything." God bless you Eric O. Paul (in MA) PS Just waiting for the 18-24" here in eastern MA.

[@donkeyjocky]

Why limit yourself? Go for the 24+"! Checking in from lovely downtown Braintree, MA.

[@fixitallpaul4847]

Greetings Paul in MA from Paul in ME

[@wim0104]

thank you, from Texas: we can't be dealing with this again!

[@davidhutchinson6910]

In your words, you are not a genius! However, in the real world you have been gifted with your truly understanding how things not only function, but "interact" with each other. You are better than a genius, you understand the real world. You are a rarity in this world Eric. My hats' off to you sir. Not only for your gift, but also the man that you are. Honesty and ethics. You are a rare one Eric. Thanks for your repairs and the respect for your family. You are all very special people.

[@SugarChateau]

Why do I watch these? I’m never going to fix this issue in my truck. I gotta watch though. I’m just fascinated watching you do what you do. Well done sir.

[@mikefoster3547]

GM has in fact made harnesses for decades outfitted with the connections for various factory options for similar body styles such as Pontiac Catalina/Bonneville, Impala/Caprice, various full size Olds and Cadillac that share harnesses. I myself have gone to the junk yards and bought options from them for customers that were plug and play and looked as though they belonged there all along. No splice no dice, just make 'em look nice...

[@patlandy21]

Absolutely!, The car doesn't have the "options", but it it had been ordered with the "Options" all that would have been necessary to add the "Option" would be to plug it in.... The diagram shows the harness...

[@FishFind3000]

Same with my older bmws, they were pre-wired for all kinds of options and they even told you so. Just visit the dealer and they will install the upgrades. That had this for homelink door openers, 6 cd changes, mobile phone, upgraded alarm, and some other stuff I can’t remember.

[@lukestortroen609]

does anyone know website he uses to look up RPO codes

[@duanebuck193]

I used to feel guilty about some the changes I've done on my rigs over the course of the years since they weren't always the best - however - after seeing some of the true hack jobs that are being dealt with from time to time, my changes look like factory installed! The fact that I use my labeler and put a tag on the added wires I've done for my own benefit probably amazes technicians for the few times I have to take my rig in for stuff since it tells them what the wires are for.

[@snoopdogie187]

How well do the labels hold up over time?

[@duanebuck193]

@@snoopdogie187 I've got several that are over 5 years old and still easily readable. Some in the engine compartment that are close to a heat source are a little harder, but you can still read them. I put some on my RV that has a Cat 3126 in it, and almost every one of them is still as easy to read as the day I put them in over 5 years ago - even with all the heat that it puts out (it's a DP).

[@ChrisHsuCars]

I love watching the way you systematically and logically tackle every problem. I’m sure most places would just uncork a parts cannon on it.

[@bradburkhalter4082]

Eric you are a master diagnostician. Thank you for sharing your awesome knowledge and experience. Having a wonderful family along with you in your business is a true treasure.

[@gregeconomeier1476]

I really like following the step by step logical process you use to diagnose problems. When watching other auto mechanic channels I find myself constantly telling the mechanics to follow a logical process and stop bouncing around like a pinball. They don't listen.

[@craigrosati8357]

I AM 55 YEARS OLD AND COME FROM A FAMILY OF MACHINISTS. I HAVE BEEN FIXING THINGS MY ETIRE LIFE AND MUST SAY YOU ARE ONE OF THE MOST TALENTED INDIVIDUALS I HAVE EVER HAD THE PRIVILEGE TO LEARN FROM. THANKS FOR SHARING YOUR TALENT.

[@Graham_Wideman]

Maybe you could fix that caps-lock key on your keyboard too.

[@uenragedbro]

​@@Graham_Widemanhe probably handwrites in all caps too, did you get hurt by his typing?

[@loubakker5000]

That tells us nothing before you checked your check light. GM seem to have many electrical issues with their products. And they want to manufacture ev 's ? Hilarious. One of the best diag. vids. Always a pleasure to see you working !!!

[@rogerr7856]

Would have been nice if guy would have said “ it all started right after I installed these brand new side mirrors”.. always enjoy your trouble shooting vids👍👍

[@billy-sx8wx]

As a tech who loves electrical it blows my mind how many mechanics chase components instead of wiring. Love to see someone use a fuse saver. Good work sir.

[@MrWolfSnack]

Many auto colleges now teach the rhetoric "replace with parts - not with smarts". It's why I never went. I have learned more on my own by buying an old 1940s Dodge pickup from a barn for $600 (not even any wheels on it either) - just a nice old truck something so basic and simple for a beginner - and teaching my own self how to repair it. It's not so complex with computer garbage you get all overwhelmed and don;t know what to do. You learn a lot of each skill as well because the car has decayed so much in every aspect and to every part and lord knows that mice will have made you a lot of nice electrical problems to trace out.

[@bartgoins1782]

I love how you get so in to diagnosing wiring issues. You don't (for the most part) let things frustrate you when they're not as they're supposed to be. Another great video. Thanks!

[@jameswasher3938]

LOL, your comment about assuming the wiring diagram blah blah. I'm reminded of an expression I learned as a young man. "When it comes to a discrepancy between the terrain and the map, go with the terrain". I do a lot of off-highway driving and I've actually stopped to help people have have gotten lost. More than once I've heard someone exclaim "that mountain can't be there". Go figure.

[@SWResto]

the key tracking it down as you have shown is having the wiring diagrams!

[@amatod4]

My favorite KZbin mechanic!!!!!

[@ablelock]

You’re absolutely correct Eric my cousin used to work at the bus and truck plant for GM that was an Indianapolis back in the day it has been close now but when I cousin worked there that was her job to install the wiring harnesses in the trucks and vans that come through there they do build one harness to do everything and then they use only the stuff that they need depending on what the options in that vehicle is so that assumption that you have is absolutely correct. In in my business it makes it crazy sometimes you’re trying to find things as well especially when they’re shorts because they do leave every wire in the harness whether they use it or not just thought I would send that up but that is true that is what GM does now I can’t say that every manufacturer does that but I do know for fact that GM does that. Great videos keep up with the good work enjoy the information.

[@justinc6238]

Thank you, You just saved me hours of chasing my tail. This was the exact problem I was experiencing. Thanks again for this video.

[@markmalikowski4971]

Another example of General Mayhem. You're an awesome instructor of electrical everything!

[@eourt1986]

I help a friend with a GMC truck with a broken signal light switch stick. Looking at his truck, he did NOT have cruise control. Looking through pick n pull, the only switch stick I can find had CC... what ever, the only difference was between the 2 sticks on the hidden side was one extra wire. I figured that extra wire was for CC and I would just throw it under somewhere it won't get in the way. As I was installing the stick I noticed a wire under the dash with the same colour wires of the CC wires and the same plastic male female connector. I looked at my friend and said should I connect them... His truck now has CC!! Everything was there!! GM installed all the wires and computer system, everything except a CC stick!! Joking around after we found out his now has CC. He said this is like the South Park Cable Company Episode. If he had took the truck into GM and asked to have CC installed. GM would look at him and go. well that will be around $3000. We would have to re wire everything and re program your computer, but we can do it. All GM would do is buy a $20 part aaa...nn..d... CLICK. My friend wouldn't know any difference.

[@jme36053]

Your adroit troubleshooting and diagnosis of electrical issues brings out the detective in you and serves as a break from the mundane tasks of simple wrenching. I enjoy your videos for their entertainment value and hope you continue educating the up-and-coming automotive techs to higher levels of achievement.

[@Graham_Wideman]

Thumbs up for use of "adroit"!

[@markchidester6239]

I hope the O family makes enough money from Patreon to put the kids through college and retire comfortable. With all they do for us, Eric and Vanessa have earned it.

[@neiljuedes1661]

Electrical on vehicles are like a foreign language you sure make it look easy Eric. Great video .

[@annieleeb5590]

Eric, you sir have shown there r true mechanic's out there... They are just far and few in between... My Dad was old school, in his day he could listen and diagnose... A long ways from that now, lol. 👍👍

[@richardvastine7486]

Friday is complete! Thanks Mr. O.

[@onemechca]

You never said this in a long time from what I remember..."Well I'll be jiggered" ...Great diagnosis and find especially when the truck has been hacked.. I can see why local shops bring you the fu&%ed up vehicles. Your logic, thought process and explanation in an easy to understand language is simply fantastic and teaches thousands of people..Keep it up Eric.

[@BigLisaFan]

This is why finding a short is straight time. Might take a minute, an hour or a day. Love how you use logic to trace the source of the short.

[@willardwilliamson6778]

Having worked in manufacturing my whole career - I totally agree it's probably cheaper for GM to use the same wiring harness on all the trucks (as much as possible). Very fun video to watch!

[@pieternaude53]

Seen this on Land-Rovers as well. Suppose it's cheaper to have all wires installed, and just omit the Hardware.

[@mikee2398]

I love how you take the most efficient route to the best solution.

[@gregferreira8309]

Eric you do display a high degree of patience following the wiring diagrams and other people butcher jobs.Great video

[@larryalford7265]

I would most definitely tell the customer that I got it fixed, but I won't be working on it again. What a wiring mess! Kudos for sticking with it!!

[@kenpressley8420]

I am impressed that you found the problem so quickly. Great job, Eric.

[@michaelgarnett1196]

Great job Eric as usual you have over the years taught me a lot thanks 👍

[@HC-oy3jr]

'never trust a wiring diagram" new company slogan, thanks man for what you do. God bless you and yours

[@BG-vq9fd]

I wouldn't have a chance. You a magician with electrons.

[@rickjohnson1632]

Nice detective work . Thanks for taking us along 👍👍

[@IntuCars]

I love your stuff! Can't wait to hear this one!

[@gdj8013]

Guys an amazing diagnosis expert he’s so methodical. Makes it look easy when most guys would’ve thrown there hands up when we saw the jumbled hacked mess under the dash.

[@mouselt1]

Love watching a real tech work. You are the best! I'm just sad we have no one in our town that can match your talents.

[@longrider8265]

Eric that was an epic diagnosis job. This is what separates you from 99% of the the mechanics out there. Your combination of methodical approach, keep at it attitude and knowledge is fantastic. Keep up the amazing work - your customers are lucky to have you near by.

[@user-yw6ei8yt4q]

That was amazing as always. You do know that you got us all hooked on your vids. And you also know you can never quit making them don't you, don't you? You know that right? right? We NEED them!

[@nelsontovar5635]

Love it when customers play electrician & complaint why original car stuff doesn't work thx again SMA 4 a wonderful info...🤙

[@Foodofthesoul]

Been chasing this for days. Bunch of blown fuses trying different things. I followed that same wire (I do have the mirrors with signals) and pulled the harness to the door. That was it. Short in that harness somewhere. You saved me such a headache. Thanks man.

[@jpack61108]

Ofc all of your videos are useful. But these ones, where you have a bit of a challenge, are golden. So much wisdom packed into 35 mins. You could sell it! Scanner Danner does 😁

[@dgecse]

Another fantastic diagnosis video - always informative to watch you work! Subaru sometimes, or at least for the 2012 Legacy, includes wires for optional features the car doesn't have, and sometimes it doesn't - for the 12 Legacy GT without a rear camera, some are wired all the way from the stereo to the trunk for it, some are wired only from the stereo to the first body harness connector (below the passenger side a pillar) and some have none of the wires... it's odd.

[@roberthare6382]

This diagnostic and repair was nothing short of amazing. You got the magic touch Mr. O.

[@fleurys2]

I learned so much with your videos through the years, it's unreal... Thank you so much... videos like this one are priceless... long live to you !

[@thatguy1128]

You make this stuff look so easy, and I wish I could do it if you can do it. I just hope you've made enough videos that I can search through my Eric O archives and find the video I need. You are a master at what you do sir.

[@crazybobc1]

You sure are good on the electrical stuff. I hate tracing shorts and stuff. Great job!

[@neiljuedes1661]

I had to replace the running light bulbs on my 2012 Silverado this spring and thank God for KZbin ! There are two screws under the fender wall and two more on the top of the light assembly plus I had to take the grill out. No wonder the shops make a mint on hours spent working on this stuff !

[@jerrygillette854]

Your diagnostic skills are excellent!!. Patience and logic. Thanks for the lesson.

[@paulaback1519]

Thanks Eric, I don’t work on a lot of cars, but your electrical troubleshooting techniques help me in my job of fixing wind turbines.

[@AKJeeper]

That's funny - I'm a wind turbine tech, also. Formerly an auto/diesel mechanic, though I still repair vehicles in my shop on a smaller scale now. Watching videos like these helps keep me sharp as well.

[@mikaoshatz8082]

I work on UAVs and these electrical diagnosis videos are immensely helpful

[@stephenbay9564]

Outstanding video. Thank you for sharing just how much patience you have. You get the job done, mostly because you are patient enough to deal with the "mess" of wires, and how they are run by OEM's, along with aftermarket hackers.

[@dougiedoug2921]

Always love the electrical trouble shooting. You have taught me well Master Eric! Thanks!

[@thegrimreaper7777]

Your closed captions say 'welcome back to the self made knowledge channel' :-)

[@wiuser1745]

As always, great detective work Eric. Only you make electrical problems fun and interesting. Keep it up! 👍👍

[@terencehawkes3933]

Man, you seem to be able to fix anything! Such skills! Respect!

[@noworriesmate5903]

The man knows what he is doing!

[@ChrisFeret]

Jeez, I wish you were doing this when I was a kid working on cars. Simple straight forward logic to troubleshoot, id and fix the issue...

[@BLADExARTx5160]

Hey Eric, current automotive student here, I will say your experience has been really showing with these past few electrical videos you've posted. What advice could you give the younger up and coming techs when it comes to electrical diagnosis? I understand it's something that takes some years to get a hang of. You truly have some skills sir. I enjoy your videos

[@billmonroe8826]

Be sure you understand the basics and know how to read a schematic. Learn the symbols. The rest is experience

[@Mtech30961]

Auto Technician of almost 10 years, here is my advice...don’t

[@JAI45624]

QUIT WHILE YOUR AHEAD

[@fixitallpaul4847]

Visual inspection is your best tool. Often you can see evidence like melted connectors or pin holes in wires. Look for small bulges in insulation. Above all LOOK.

[@yurbeeinwatched]

Auto technician for 40 years. Don't listen to that guy. It's the future. The days of nuts and bolts are going away fast. Start watching electronics videos. Tattoo Ohm's law in your brain. A great channel to watch is Diagnose Dan. What happens in Europe will be common here soon.

[@thomash1923]

Thanks for the new vid. I needed my fix.

[@raymondmetcalf9110]

Good to see how to follow good basic knowledge of someone who is a pro .cheers

[@SMKreitzer1968]

Great work on that job! Thanks for walking us through the process and logic. That power probe and remote breaker sure look like great tools to have for that type of work. Thanks for sharing.

[@williamgagnonroadboxservice]

Thanks Eric I have a 03 Silverado HD that has the same problem. I own it so I wasn’t going to fix it. My winter plow truck here in Mass. But now I’ll get a look and test to see if I can make it work

[@Danzilly]

Eric has a gift for fixing vehicle wiring! I love the journey of the diagnosis seeing the diagrams and tools he uses! Sorry if it gets frustrating for you some times but it's good content!

[@John-gj9db]

Very impressed with your diagnostic skills. I would have given up long ago. Thanks for sharing that 👍

[@akarez83]

Excellent work once again! I admire your patience with electrical issues LOL those are some of the most frustrating

[@brianfaus5995]

Eric makes awesome videos.

[@stephenpeterson7479]

You're exactly right. They just build one harness and add options as they go.

[@dieselfixr]

You beat me to it.

[@KrazyGoodMods]

+1 My 2012 Silverado(same generation truck as this Sierra) is a work truck trim level, but still came with harnesses for enhanced driver info buttons and uplevel center bench seat power outlet.

[@QBRX]

Xactly what I thought.

[@n2n8sda]

yeah i left a similar comment, i guess the bean counters worked out its cheaper to use a common harness to simplify number of parts and assembly procedures rather than save a few cents on cutting out a couple of extra wires like the old days. It would be nice if this was reflected in the diagrams though

[@dieselfixr]

@@KrazyGoodMods it does make it nice if you want to make a WT into a lt or ltz you can. Plug and play.

[@cumminsdieselgt]

You are a master electrical diagnostician. Pleasure to watch you getting them fixed.

[@briangeorge3862]

I had truck in the past didn’t come factory with turn signal mirrors. A friend gave me some i installed them and they worked the turn signals that is in the mirrors. Great video as always I learn everytime I watch your videos and have lots of respect for you.

[@UNEEK_LOGIK]

Sure as Sh*T Eric!!. You are exactly Right

[@UNEEK_LOGIK]

I jumped the gun and called a bad fuse box or BCM before watching your video, I was 90% sure you where going to find the problem at the fuse box but O boy was I mistaken lol That’s the 10% of being complacent GM TECH OUT!!..

[@tomoakhill8825]

Why, after 100 years of Chevy, is it "difficult to remove the front headlight"? 3:15 By now I would think that the GM engineers would be aware that lights fail and need replacement. Oh, wait, Eric O posted the short video about the lady that had a burned out light, and needed to buy the ENTIRE light unit for $750 !!!!! For one tail light being out !

[@wim0104]

try replacing the headlight bulb in a 2011 Outback; it's like delivering a calf, y'all!

[@purplehaze8557]

@@wim0104 haha!

[@arcadeuk]

I recently picked up a Volvo project, and I was amazed, that the headlights are held in with 2 pins that you just pull out from the top. Easiest tool-free headlight service I have ever seen

[@JohnRodriguesPhotographer]

It is gotten stupid with most brands of cars because of the focus on aerodynamics and lightweight plastics. Back in the day of sealed beam bulbs generally speaking you could remove them from the front of the vehicle and put them in not too much monkeying around under the hood. Now everything's such a blended shape it's crazy. Look what's happened to her so-called impact resistant bumpers that were heralded as a money-saving feature in 1973. They are supposed to take a 5 mile an hour collision with a immovable object. Now they're just plastic mounted on styrofoam. Hit them just right and end up on the ground.

[@airborne63]

@@arcadeuk Ford Crown Victorias simply have two sliders that lock in from the top for each headlight. 5 minutes....done.

[@henrikloiske8572]

As i watch you solve another mystery..I can almost hear the tune for Mission Impossible playing in the background....amazing work as always Eric

[@Fix_It_Again_Tony]

Nice work as always. It's a pleasure watching someone who can do electrical diagnostics well. I've spent lots of time following wires myself and you make it look easy.

[@DIYDaveOK]

Awesome!! SMA on a Friday night!! Thanks, Eric! Was fun to see you on the Ivan/Keith live stream chat last night!!

[@yurbeeinwatched]

Check out Eric with the OE diagrams. I just went through hell on a split year Yukon Denali that was half 99, and half 00. You really needed a Load Pro. I think Keith and Ivan have a slightly used one cheap.

[@SouthMainAuto]

Hhaha LoadPro is perhaps the worst tool ever made lol

[@yurbeeinwatched]

@@SouthMainAuto And you call yourself a pro. How can you be a pro, and not spread around the load? The load is 70% of the battle. Come on man.

[@patrickcayton3072]

I thought it was a semi useless wheel chock.

[@Troy_Built]

@@SouthMainAuto Didn't you once say that about the Power Probe? They can be very dangerous in inexperienced hands. I'm nervous when I use one and wish I'd bought the Power Probe 4 instead of the 3 I did. I haven't bought the Load Pro but I've thought about it.

[@yurbeeinwatched]

@@patrickcayton3072 It's so much more. Not only does it load. It does it in a professional way. I have heard that's how it got its name.

[@chuckeecheese162]

General Mayhem wiring, meets “light mods”. Good work. Deduction My dear Watson lol.

[@arsenaulov3760]

Erick you are unbelievable, there is no other one like you, just great videos all the time

[@wamrfixit2]

Great job Eric, I had a 2010 CHEVROLET 2500 and when you plug in a trailer the right turn signal would stay on solid. If you turned the 4 ways on without the key on it would flash. I ended up finding the problem in a wire for the aftermarket radio stuffed through the fuse hole with the wire stripped about 2 inches shorting an ignition on with the trailer lights. Stupid Aftermarket Crap

[@troy3052]

I just had the same problem, with a alarm system

[@vincentiocco2007]

It's not the aftermarket stuff, it's the install.. Just like that leaky Pella window installed by my dog. Haha. Eric you are a senior master lieutenant tech , keep up the great work. My two cents tells me those mirrors look like factory with the turn signals on the mirror side might have gotten installed after the factory and might be shorted. Video went quick by the mirrors and can't be certain.

[@morthomer5804]

Did you know that Mr. And Mrs O were actually former automotive engineers before going into federal protective custody custody?

[@Mech7.3]

I would love to spend the day with you and sharpen my electrical skills. Great job Eric!

[@av8tore71]

Eric said a naughty word!! First time in 4 years I've been watching he said that 😂😂

[@Conqueef-tadoor]

Eric, you are indeed correct about the GM wiring harnesses. I've known several guys that added the turn signal mirrors to their trucks and they literally plugged right in because the wiring is already there whether the truck was originally option with the DL3 turn signal mirrors or not.

[@basshunter4144]

How do you keep from going nuts when trying to repair crap after someone else.

[@arvindsingh-qp7rg]

Thank for sharing your knowledge with us , nice to see another SMA video . Thank you for making them with all you have going on .

[@chrisphillips0000]

Sweet baby Jesus that was a pickle of a job. It definitely had my old thinker itching and spectacles fogging up. Great job!