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Come along with Eric O. at the SMA shop as he has a look at this 2002 Cadillac DeVille that came in with no back up lights. Now now it's not just a couple of bulbs but it ends up being a pretty common failure but all the same let's put in practice a good diagnostic approach and get this baby fixed!!
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49 thoughts on “Cadillac – no reverse lights”
  1. Avataaar/Circle Created with python_avatars Rex roark says:

    process of elimination is what I call that

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

    Good diag Eric O easy as finding the broken wire at the moving Joint @SouthMainAutoRepairLLC

  3. Avataaar/Circle Created with python_avatars Chad Martin says:

    I agree. What is that broken wire caused a busted fuse or burnt a relay. It's easy to work your way back from a working fuse or relay. Screw those jackasses

  4. Avataaar/Circle Created with python_avatars John Ridley says:

    I went through 2 other butane soldering irons, buying cheap ones and never being happy. Finally I gave up and bought the really nice PortaSol one, and it's a pleasure to use and should last me forever.

  5. Avataaar/Circle Created with python_avatars Megaerick2007 says:

    Hi, Eric I have a 2004 Jeep Grand Cherokee 4.7 and I would like to know if it could be possible to bypass a wire on the reverse lights?

  6. Avataaar/Circle Created with python_avatars Dr. Craig D. Smith says:

    Any video with some Mrs. O time is 73.6% better. Loved the diagnosis and thought process as usual, never gets tired. I wonder if I would have found that issue without an Autel? I have a power probe and relay checker, I think I might look at the flex point (physics) but it would have taken me all day to do that.

  7. Avataaar/Circle Created with python_avatars Robert Gary says:

    Do you test all the exterior lights in this case?

  8. Avataaar/Circle Created with python_avatars Raymond Lee Choate JR says:

    I have a buick that tilts the Sideview mirrors when you put it into reverse.

  9. Avataaar/Circle Created with python_avatars Ce Ce says:

    Lmao i knew i heard him say MEOW! ๐Ÿ˜„ ๐Ÿคฃ ๐Ÿ˜‚ ๐Ÿ˜† ๐Ÿ˜„ ๐Ÿคฃ

  10. Avataaar/Circle Created with python_avatars Ce Ce says:

    Okay my unlock on the key fob does light up the reverse & brake light to work. The green wire appears the be intact & not split… relays seem to be working…. is there anything im doing wrong or someone can help.

  11. Avataaar/Circle Created with python_avatars Ozzy Krahn says:

    this is why i deal with ford, very very rarely have wiring issues

  12. Avataaar/Circle Created with python_avatars Ozzy Krahn says:

    the amount of money for a cadi you think they be smarter

  13. Avataaar/Circle Created with python_avatars S&J Vlogs says:

    Eric…. You did the problem solving like u always do… If people are OTL (Out To Lunch) Have to keep it family friendly… You did the steps that you are comfortable with and found the issue. Just because it was a easy fix that does not mean it would be a easy road to get there!… Always in life there are solutions to every problem but how you approach those solutions are the key…

  14. Avataaar/Circle Created with python_avatars Flying Control Line Stunt says:

    What is the soldering jig brand and model number?

  15. Avataaar/Circle Created with python_avatars WouterB76 says:

    When welding must be done there is only one brand: Weller.

  16. Avataaar/Circle Created with python_avatars Shane Harrison says:

    Yep I've done a fair share of chasing wire breaks and shorts at the aft end of cars and trucks and Van's as well and your right Erick plan your work and work your plan had a Bonneville with no reverse lights and no trunk release as well as no fuel door release turned out it was a little module on the back of the back seat that got crushed when someone stuffed a bunch of 4x4s in the trunk and a bag of sacrete

  17. Avataaar/Circle Created with python_avatars Drew Bush says:

    Do you share your finds with other shops online. Not YouTube

  18. Avataaar/Circle Created with python_avatars Drew Bush says:

    What a poor design for a cady

  19. Avataaar/Circle Created with python_avatars Drew Bush says:

    I like your videos you talk and do… thanks

  20. Avataaar/Circle Created with python_avatars Shane Harrison says:

    A cool little piece of kit to have for those tite spaces

  21. Avataaar/Circle Created with python_avatars Efrem Williams says:

    That break is pretty common on a lot of vehicles, but as you said, you still have to have a plan to diagnose the complaint. If the symptoms lead you there, great. But as you know, it may take you in a totally different direction. Be thorough and you can save yourself a lot of time and comebacks

  22. Avataaar/Circle Created with python_avatars Jose Hernandez says:

    ๐Ÿ˜ฏ๐Ÿ‘

  23. Avataaar/Circle Created with python_avatars NOTACAB says:

    โ€œWE FOUND YOUR PROBLEM LADYโ€

  24. Avataaar/Circle Created with python_avatars Keyz says:

    Where can i find a wire diagram for a 04 Buick rendezvous having the same problem

  25. Avataaar/Circle Created with python_avatars yamahonkawazuki says:

    Prindl display. hell i thought i was the only one who said that. now i dont feel so alone in this world.

  26. Avataaar/Circle Created with python_avatars Paul Cochrane says:

    It is soLder soLder soLder

  27. Avataaar/Circle Created with python_avatars luke cartwright says:

    I had a chevy. No windows worked at all. All the window switches broke ๐Ÿ˜‚

  28. Avataaar/Circle Created with python_avatars Salvador Gutierrezr says:

    ๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘๐Ÿ‘

  29. Avataaar/Circle Created with python_avatars jeffboyer39 says:

    Hi
    I once owned a 1990 grand prix and the head lights went out on low beam but high beams worked. So my good friend and I did a search for wire diagram for 90 and found out that was wrong. So we went to 91 ,92 gp and no good diagram but 1993 was the right one. So in order to make the low beams work we had to bypass the module power altogether directly from switch to fuse all good. For the time i owned it. Thanks for the videos ๐Ÿ“น

  30. Avataaar/Circle Created with python_avatars anto ny says:

    Thanks again for a very, very instructive video Eric. It's great watching you work.

  31. Avataaar/Circle Created with python_avatars john workman says:

    I was always taught to start at the source of power to the end of the circuit

  32. Avataaar/Circle Created with python_avatars Jeff Bohn says:

    I'm ranking this as the "1" resource on wiring.. its complete and slaps you in the face for skipping a step. Thank YOU Eric O!

  33. Avataaar/Circle Created with python_avatars Timothy Barr says:

    The red wire is so that if one of the other power wires break both bulbs will still light up.

  34. Avataaar/Circle Created with python_avatars Eugene Johnson says:

    I have a 2008 Mercury grand Marquis no reverse lights what is the problem with it I check the tail light bulbs they good

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

    My second time watching A+

  36. Avataaar/Circle Created with python_avatars Frank D. Brennan says:

    I figured it was a bad ground, because it's a GM

  37. Avataaar/Circle Created with python_avatars Dan R says:

    My '65 Corvair had no brake light. It was in the steering wheel where the turn signal parts are. Little brass contacts needed cleaning and a little more bends with tweezers.

  38. Avataaar/Circle Created with python_avatars Ralph Vaccaro says:

    Your the man good job ๐Ÿ‘๐ŸปโœŒ๐Ÿป๐Ÿ˜€

  39. Avataaar/Circle Created with python_avatars Steve O'Donald says:

    Eric, I think your diagnostic approaches are spot on, no complaints here. I miss my little portasol, awesome tool, but it strangely went missing a few years ago :/

  40. Avataaar/Circle Created with python_avatars MR DEAN V says:

    Great video and very informative..! I have a 2007 Ext Cadillac..any chance that you can tell me why my backup/reverse lights stay on? I replaced the brake switch on the brake pedal…someone said the relay to the backup/reverse lights burned out in the ON position but I cant find the relay… someone else said that the relay to the backup/reverse lights is in that little BCM black box just left of the steering wheel? So I pulled the fuse cause it will run my battery down but doing that just drives me crazy..!

  41. Avataaar/Circle Created with python_avatars Assessor 12 says:

    OK – I have spent 20 minutes Re-watching the video trying to spot the model number of that little butane Weller soldering iron / torch and I cannot see it. Eric skips over it too fast and the video description doesnโ€™t list that tool.
    Does anybody know what the model number is?

  42. Avataaar/Circle Created with python_avatars MadamFloof says:

    in the Cadillac's with auto dimming mirrors if you put it in reverse the passenger mirror adjusts to the curb side so you don't curb your tires.