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Come along with Eric O. as we have a look at this 2014 Chevy 1500 5.3 that came in with the engine light on and a code P129D-00 that won't go away! It doesn't take to long to find out we have no power back at the fuel pump driver module but now what!? How do we find the broken wire? Stay tuned and find out! -Enjoy!
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48 thoughts on “Chevrolet fuel pump driver problems – where is the broken wire”
  1. Avataaar/Circle Created with python_avatars Larry Gibson says:

    I think you did a really great job of tracing down the bad spot in the wiring

  2. Avataaar/Circle Created with python_avatars Destiny says:

    Hello can you point me in the direction of the fuel pump module in a 2018 LT 1.5 it's not located in my trunk.

  3. Avataaar/Circle Created with python_avatars Doug Kelley says:

    I am impressed with your process to find broken wires and that you don't cheat and just run another wire

  4. Avataaar/Circle Created with python_avatars klikklack1 says:

    Interesting and educational video. We just went through something similar with our 2017. 😕

  5. Avataaar/Circle Created with python_avatars Casey Powell says:

    It's not boring Mr o it's great and very informative buddy keep it up even if you don't think is good cause some of us do !!!!!!

  6. Avataaar/Circle Created with python_avatars Paublus Americanus AMERICANUS says:

    Where is that seam ripper and telephone company wire tracer. Ya'll just have to put it at the frequency that is not the tuned length that will radiate. Just because each wire is a different length tsk tsk

  7. Avataaar/Circle Created with python_avatars Joey Scott says:

    Hey I have a 2014 chevy silverado lt crew cab 4wd has a code for p2635 code is it the back fuel pump or high pressure pump

  8. Avataaar/Circle Created with python_avatars Juan Sanchez says:

    Great video…..i love your patience

  9. Avataaar/Circle Created with python_avatars Raymond Parkhurst says:

    Very good job

  10. Avataaar/Circle Created with python_avatars Viking 2121 says:

    GM was stupid with these trucks, why put that right above the spare tire, I replaced 2 of them in my uncles 2009 GMC Sierra, the secound one was warrantied out and the replacement I silicone the hell out of it.

  11. Avataaar/Circle Created with python_avatars Kenneth Brown says:

    Eric, you have the patience of Job. May God continue to bless you and your family. Excellent work, job well done. KB

  12. Avataaar/Circle Created with python_avatars Craig Sowers says:

    Late comment from post date but please know, NO it was NOT a "Boring Video" … it shows just how hard "Diagnostics" can be and a tribute to your tenacity and work ethic … I salute you. "Perfection is unattainable … but the pursuit is not" !!! Bravo my Man !!!

  13. Avataaar/Circle Created with python_avatars Robert Miller says:

    Does anyone know why electrical tape… even scotch 33, turns into gooey much on a boat? I does not seem to under these trucks and cars. On boats I never use tape and simply have to use only wire loom and tie straps. There is something about a boat that melts electrical tape. We also use heat shrink electrical connectors.

  14. Avataaar/Circle Created with python_avatars Steveo66 says:

    Hey, are you using a sewing seam ripper or telephone tracer???? LOL… Great video – pure perseverance…

  15. Avataaar/Circle Created with python_avatars TheGreek says:

    Great Job

  16. Avataaar/Circle Created with python_avatars pete leoni says:

    I am going to drive my Lambo to Eric. I mean my Pinto.

  17. Avataaar/Circle Created with python_avatars Bob Whammer says:

    Wire tracing, tone generator, brings back memories when I serviced phone/dictation/transcription systems.

  18. Avataaar/Circle Created with python_avatars Richard. D says:

    Just want to say I don't think any of your videos are boring, always informative and the process leads were the process leads still a good fix and how to find it. Thanks again for doing these videos

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

    Hunting down shorts is always a cool adventure Erik and theres no whineing here bud

  20. Avataaar/Circle Created with python_avatars Joel Santora says:

    There are two kinds of mechanics. Mechanics and mechanics that understand wiring problems.

  21. Avataaar/Circle Created with python_avatars luke codere says:

    Am I the only one that notices that horrid dual exhaust hanger mess 😬🤯😳

  22. Avataaar/Circle Created with python_avatars Joseph Buhs says:

    i fixed a trailer brake code because of broken wire in harness at cab corner rub through

  23. Avataaar/Circle Created with python_avatars Joseph Buhs says:

    NICE TO SEE SOMEONE CHASE THE SAME TROUBLES ass me gm has harness issues on these trucks

  24. Avataaar/Circle Created with python_avatars KWC says:

    Love your videos and I have a quick question I was just given a 1995 Ford F150 has been sitting for about a year and a half I have not picked it up yet and I was just wondering what you recommend me doing before starting it it has about a half a tank of fuel it has a V8 5.0

  25. Avataaar/Circle Created with python_avatars Kenneth Franklin says:

    I ran service on commercial burglar alarms, often tracking down a short or open on a 1000' wire run. When you said "This sucks," I know that feeling well.

  26. Avataaar/Circle Created with python_avatars Alternative music says:

    Eric you are the man I really like your shows watched many of them straightforward no nonsense you make people like me look good there's just so much more to these cars nowadays I can't keep up with all of it so you're the s***keep up the good work

  27. Avataaar/Circle Created with python_avatars Chris Reitz says:

    Same issue with my 2012 sierra. I will check at the plug before buying a driver thanks to your video.. I've learned a lot from your videos. Pretty tough to find a mechanic that doesn't just throw parts at it. Keep up the fantastic work.

  28. Avataaar/Circle Created with python_avatars Bob Schmaltz says:

    are the probes from aes wave or someone else?

  29. Avataaar/Circle Created with python_avatars James Nixon says:

    hey buddy, i have a 18 seirra 5.3 crew 4×4, thing stalled after sputtering while driving , p129d p12a6, checked wiring, im a licensed mechanic, cleared drives fine, but dont trust the truck now, no warranty on fuel components either dont want gm to run a big bill on me any ideas?

  30. Avataaar/Circle Created with python_avatars P Dinardo says:

    Eric, this video was always good bud. Electrical issues, are the most difficult. To diagnose correctly. You know how to trace wires very well.

  31. Avataaar/Circle Created with python_avatars barney ruble says:

    why were the wires… where the break was ….. not in a plastic tube … like HELLO !

  32. Avataaar/Circle Created with python_avatars Christo servant says:

    I'm sure your beautiful wife has one you could borrow.

  33. Avataaar/Circle Created with python_avatars Christo servant says:

    Hey Mr O you should be using a sewing seam ripper. Lol

  34. Avataaar/Circle Created with python_avatars t Dub says:

    Why don’t you use a sowing seam ripper!! Haha jk think we got the point.

  35. Avataaar/Circle Created with python_avatars Luis Vivar says:

    very good way to explain cable failure

  36. Avataaar/Circle Created with python_avatars Michael Beilsmith says:

    When doing electrical checks like your performing on this vehicle the first step that i take is hooking up two high quality jumper wires directly from the battery to the area of the work. That way i'm not looking for good grounds everywhere and I can check my test light each time. It ends up saving me time and frustration. Great video!

  37. Avataaar/Circle Created with python_avatars Donald Rackley says:

    Nice Mr 713

  38. Avataaar/Circle Created with python_avatars General Disarray says:

    Fair play Eric, great video, excellent work. I really enjoyed watching it.
    It's a refreshing change to see someone admit they've made a mistake. Usually mechanics, including some that you've ended up fixing their botch jobs for, just stand there and lie to your face, "sure we replaced the part", when they plainly haven't, or "it was like that when it came in here", even though you know it wasn't.

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

    It sure was interesting to see where the broken wire needed to be repaired.

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

    Remind them Rome wasnt built in a day why would a search for wire breaks take less time.

  41. Avataaar/Circle Created with python_avatars GLENN CHARVAT says:

    GOOD WORK SIR

  42. Avataaar/Circle Created with python_avatars Travis McPherson says:

    Look at that rust for being 3 years old

  43. Avataaar/Circle Created with python_avatars Med Tec67 says:

    I've had the same problem with the ect 2000

  44. Avataaar/Circle Created with python_avatars 80’s Ford Guy says:

    Eric, don’t worry about the haters that want to just see the highlights, keep doing as you are doing. Show it all, you help the rest of us when you show it all, not everybody is comfortable tearing into wiring harnesses. You give us the confidence to do so with minimal tools!

  45. Avataaar/Circle Created with python_avatars vito gio says:

    good job dude

  46. Avataaar/Circle Created with python_avatars vito gio says:

    usually above spare tire jack area

  47. Avataaar/Circle Created with python_avatars vito gio says:

    gm vehicle are bad for the harness replace many harness

  48. Avataaar/Circle Created with python_avatars vito gio says:

    The sealer that you apply on tire patch works just aswell as liquid electrical tape try it….

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