We diagnosed this Chevy trucks power windows, door locks and door speakers in part I https://www.youtube.com/watch?v=4EW3aLRzuOU and here we are with the fix. Enjoy!
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46 thoughts on “Gmc / chevy truck – power window power lock – the fix”
  1. Avataaar/Circle Created with python_avatars NightHawk J30 says:

    GM cars and trucks have a shitty design for the door switches and buttons. What not have small screws. Honda vehicles i know use screws.

  2. Avataaar/Circle Created with python_avatars Antonio Claudio Michael says:

    Good video as always Eric O @SouthMainAutoRepairLLC

  3. Avataaar/Circle Created with python_avatars John E. Carr says:

    Another great video.😀

  4. Avataaar/Circle Created with python_avatars interstate odd jobs says:

    Searing at a 2009 lt ft door latch as I watch even broke the plug super duper latch the damn red piece damn I'm good. fine Arizona dust gets in to every thing But don't have Rust. Thanks for confirming the correct swear words necessary for the job, makes it much easier.

  5. Avataaar/Circle Created with python_avatars zr1sparky1 says:

    That truck is immaculate

  6. Avataaar/Circle Created with python_avatars John says:

    Sorry to revive a dead thread, but I went to replace the regulator (on my new-used used GMT-800 Suburban) and found a GMT-400 lock actuator clamped to the lock rod and stuck to the door with plumber's tape and a couple sheet metal screws. They cut off the wires and butt connected it to the new actuator. So I went to look up the part to return it to stock and… for $200, yeah, it works fine as it is.

  7. Avataaar/Circle Created with python_avatars Taxachusettsucks says:

    I got my power windows from jc whitney.

  8. Avataaar/Circle Created with python_avatars Eric Beard says:

    Drill plastic riots speakers in the screw it bak

  9. Avataaar/Circle Created with python_avatars Tom Sawyer says:

    Much better video than part one. Thanks for posting.

  10. Avataaar/Circle Created with python_avatars ccollinsworthov says:

    Man y'all had to fire the old parts cannon at this thing to get it back up and running. Good job, love the videos!!!!

  11. Avataaar/Circle Created with python_avatars Harry Smith says:

    I hate working on doors

  12. Avataaar/Circle Created with python_avatars AM says:

    I have a 2003 suburban, passenger door, that will not open. Is there a method to take off the door panel or open the door when the door won’t open?

  13. Avataaar/Circle Created with python_avatars tonyfremont says:

    Where were you when I had to change the door latch on my 66 GMC? 50+ year old phillips head screws. They really didn't want to come out, torx or allen heads would have been a lot easier. Inside the door hardware really rusts in place.

  14. Avataaar/Circle Created with python_avatars THE US CONSTITUTION says:

    I have a 2011 Chevy avalanche remove the tailgate for a day put it back on and plugged it in tails they will lock won’t work anymore driving me insane can’t find the fuse can’t find a relay and now after ours an hours of searching Internet for wiring diagrams I’m thinking that there is an on fuse or a lock for use in an unlocked fuse and Alok relay and unlock relay now one wire that goes to the lock I get a flasher power when I lock the car when I unlock it I get nothing on either wire? Am I correct in understanding that both wires that go to the lock are negative all the time and when the relay or the lock button is pressed one wire turns positive when the unlock button is pressed the other wire turns positive correct Man they could not of made it any more complicated so far I found seven fuse boxes in my truck and I’m sure I’m missing one somewhere😝😝😝😝😝😝😝😝😖

  15. Avataaar/Circle Created with python_avatars GOD FAMILY COUNTRY says:

    Keep up the great work and videos. Thanks

  16. Avataaar/Circle Created with python_avatars B says:

    You have to appreciate GMs ability to make the noisiest, most creaky plastic imaginable in their vehicles.

  17. Avataaar/Circle Created with python_avatars Donnie Robertson says:

    Second time watching 5/29/2020

  18. Avataaar/Circle Created with python_avatars jamesp642 says:

    What year is it? And I wish you could have checked the back window that was squeeking.

  19. Avataaar/Circle Created with python_avatars Jason A says:

    I truly would have enjoyed fixing this vehicle. This is what I did when I worked in the dealership, In addition to the crazy intermittent stuff.

  20. Avataaar/Circle Created with python_avatars Tim Spykerman says:

    good job Eric

  21. Avataaar/Circle Created with python_avatars MBRage69 says:

    Just watched both vids for this truck hoping to get some insight into a problem I'm having on my '10 1500. Wanna take a stab at it? Driver door lock, will not lock with driver door switch (no response at all from switch with any lock locks), will unlock driver and all doors from driver switch, pass side will lock & unlock all doors, key fob will lock & unlock all doors, all doors lock & unlock when going between park/drive & vice versa. Driver switch replaced with factory GM switch – same result. Have no schematic so not sure where the wires go. To the BCM? Does it control each door individually?

  22. Avataaar/Circle Created with python_avatars Paul Monk says:

    I'm no mechanic, but I see you struggling to work around that window track, and wonder why you don't swing it out of the way.

  23. Avataaar/Circle Created with python_avatars Care taker12 says:

    I used to do intercoms and to test speaker I would take a 9volt batt. And put it on the speaker to test it

  24. Avataaar/Circle Created with python_avatars burtonkidd says:

    Very helpful videos for diagnosis.
    My problem still remains tho (unless 3 master switches and 2 actuators were both pooched from the wrecking yard)

    All doors lock with the fob and switch panel minus the passenger front. Changed the actuator, no fix. Changed the master switch, no fix. Checked all fuses that I know of.

    Problem 2, drivers side rear window won't go up or down. Checked for power at the window motor and it has constant (dim light) on both sides of the plug and lights up for up and down.
    Put power to the motor and it works just fine 🤔

  25. Avataaar/Circle Created with python_avatars Todd says:

    Nothing works on mine on the driver's door, I'm thinking I've got a broken wire between the door and fuse box!

  26. Avataaar/Circle Created with python_avatars Matt Man Productions says:

    Must be nice to live in a small town, if you was to walk barefoot in my town you would get hiv from a needle in the sidewalk🤬🤦‍♂️

  27. Avataaar/Circle Created with python_avatars Matt Man Productions says:

    Really they don't make just the lock actuator like the older cars? It is a all in one unit now? WTF?

  28. Avataaar/Circle Created with python_avatars Keith Q says:

    That’s always one of the first things I change when I get a new vehicle. I ALWAYS upgrade the factory speakers! Thy are always junk and I’ve GOT to have my tunes loud as hell!

  29. Avataaar/Circle Created with python_avatars Thomas Scruggs says:

    you can tell its swell its made by mattel!

  30. Avataaar/Circle Created with python_avatars Richard Bambenek says:

    That's my biggest complaint of domestic cars, all the bits and pieces dodads and controls that crap out that are so annoying. And all these parts are so expensive to buy and have installed. My wife has a 2009 Corolla that I have not spent a dime on any of that kind of stuff. The only things I had to do it oil changes batteries and tires.What did this poor guy have to pay for all those parts plus labor to get all that stuff fixed?

  31. Avataaar/Circle Created with python_avatars tony frischer says:

    Hey Eric would like to see power lock repair on 1999 f-350 super duty switch works when I press it but it only makes the locks move very little but won't unlock either side. What's with that? Need help in Florida.

  32. Avataaar/Circle Created with python_avatars michael shampine says:

    good video! but I was waiting for the right speaker to not work did almost the same thing and wouldn't you know it it was a wire. fortunately it was on my own truck! in the end it only cost me a few extra minutes.

  33. Avataaar/Circle Created with python_avatars slappy915 says:

    Did you know you can clean those window switches and go right back to working? I had one the other day that wouldn't roll up the passenger or rear door. Popped it apart and cleaned it up and right back to working in under 15mins or so. The mirror control was partially working as well but one of the contacts was completely missing when I opened it so couldn't save that one. Just a tip for the future.

  34. Avataaar/Circle Created with python_avatars sbtoolman12123 says:

    I have to say every time you said"where's my pocket screwdriver",i thought that sounds like me with like…well all my tools….normally the one i need and spend 10 minutes looking for is in my back pocket.Until someone.."politely" points that out..

  35. Avataaar/Circle Created with python_avatars Hola! Terry Harvey says:

    To work on late model cars you need a degree from plas tech college.

  36. Avataaar/Circle Created with python_avatars TheRocketbob22 says:

    Sorry. I couldn't be more help. Birrito beans are good. but they ,ake you run to the gym (jon( to much. Trinity is the reason for your stick to it qualities.

  37. Avataaar/Circle Created with python_avatars madmat2001 says:

    I have to say, if you replaced the speakers in cars with quality replacements and not the factory garbage, you might not have drivers failing in a few months time. For what you fork out for replacement drivers from a dealer you could pick up a good set of aftermarket speakers with adapter brackets and wiring harnesses from a certain online retailer that will remain nameless (lest I be labeled a shill). I understand your gripe with aftermarket gear but if it's done properly it doesn't alter anything and fits just like the stock gear but offers better sound and performance/longevity.

  38. Avataaar/Circle Created with python_avatars Mike Jones says:

    if it had been my truck I would've had you upgrade the speakers to Bose speakers. My wife had Bose in her Silverado. They sound awesome plus they are made in USA not china or mexico. Good job nonethelesss.

  39. Avataaar/Circle Created with python_avatars Shaun O says:

    @ about 26 minutes, you thought that little plug was a polygon. I believe it's actually a trapezoid. I believe I learned that from maybe one of about four times I was ever awake and/or paying attention in school and now that little information nugget, some 30-35 years later, has finally paid off. I feel enriched for it.

  40. Avataaar/Circle Created with python_avatars Eric Mcguire says:

    My 97 silverado is having an issue, driver speakers wont work, when I push the driver window up or pass window up it unlocks the doors and if I hold the up button it blows a fuse, the driver window was working fine then it started doing this, the pass one did it ever sence I got the truck

  41. Avataaar/Circle Created with python_avatars Bobbie Bigg says:

    $170.00 USD for a drivers side door actuator, that's nothing, in Canada it's $250.00 and it's a Doorman crap, not AC Delco that's another $100.00 CAD. We don't just get bent over in Canada, they stick it in, with no lube and REAM YA, and then ask ya "want more?"