electrical problems

  1. G

    Electronic issues

    So I have a 2015 Tahoe ltz 4x4 with about 143000 miles. I notice that when my voltage goes down my right turn signal blinks like it won’t recognize the Cadillac lights I installed. I also have a rear view camera problem when I put it in reverse it’s like it’s dark and u can’t really see it or it...
  2. E

    Gauges and DIC inop

    Hello! Wondering if any GMT800 experts might know what's going on with my 02 Escalade, 57k on the odo. All of a sudden all gauges don't work and DIC (Driver Information Center, same as Denali) isn't coming on. The gauges light up at night though. The Volt and Fuel gauge needles vibrate a...
  3. D

    Recent purchase of 2012 Suburban

    On the drive home the engine light came on and we had a scan done - P0700 Transmission control system malfunction, P2535 High voltage in ignition switch circuit, P2610 Engine off timer performance, oil pressure sensor unit or wiring unit. The remote start doesn't work and after research we...
  4. B

    2007 LTZ issues

    Hello all, I have a 2007 Tahoe LTZ and am having strange electrical issues, just looking for some advice. Purchased used last year with 120,000 miles, wife was driving the other day and it had a no start in a parking lot. As I was headed to get her and look at it, she got it to crank. Since then...
  5. H

    Code P0332 and P0480

    I drive a 2005 Yukon XL 1500 with the 5.3. About two weeks ago, I heavily degreased my engine bay to attempt to locate an oil leak. Since then, I’ve had my radiator fans randomly turn on after the car is off and stay on until the battery is dead. When the car is turned on, the fans work...
  6. H

    Electrical Problems!!

    Hello, Looking for some advise / Help ! I have a 2005 Chevy Tahoe LT 2WD, recently I have been experiencing issues with my gauge cluster, door locks and radio not turning off when the door opens. I have been seeing the gauge cluster start flashing most of the warnings lights along with alerts...
  7. D

    Troubleshooting parasitic drain after battery is connected.

    So I've been troubleshooting a parasitic drain. If the truck sits for too long the battery drains. The instrument panel cluster was already replaced by the previous owner. I am in the process of doing the troubleshooting flow in this video. When I measure inline with the battery, the current...
  8. J-14OverlandPjct

    14 Tahoe Rough Idle + other symptoms

    Hello all, I am new to the forum and have done some digging around but am unable to find a similar discussion with the issue I am dealing with. I recently bought a 14 Tahoe 2 weeks ago as an overland build project, and have since replaced spark plugs, plug wires, air filter, oil change, and had...
  9. A

    Must wait before starting

    2011 Yukon XL 5.3 flex fuel. I had electrical gremlins/issues last spring that turned out to be a bad negative ground. I replaced the negative and positive cables with new AC Delco. Following recommendations I received on this forum, I also replaced the block to body ground strap (PITA to get...
  10. T

    tailgate glass won't open

    so I was trying to change the rear wiper but the nut is so rusted on it spun the shaft, so I tired to pop the rear glass to get to the rest of my tools and it won't pop open, removed the interior panel and checked voltages and continuity and they're both good, I dont. know which is the signal...
  11. Andrew W

    2016 Rear Tail light problem

    Noticed today that in the tail lights only the top brake/turn signal lights are illuminated on both sides and the CHMSL works, when turn signals are triggered it does not detect a bad bulb. I do have LED bulbs and resistors tapped into the wiring behind the housings but wouldn't think that...
  12. coolmanop

    Pressing down brake pedal activates left turn signal.

    Hey guys, so the other day I noticed my left turn signal wasn't working, if I pull the turn signal lever down to activate the left signal it holds solid without blinking once. First thing I do is try flipping it up and the right signal works fine. After this I noticed that whenever I press down...
  13. T

    Electric Fan swap causing problems

    So I recently acquired a 2000 Tahoe the previous owner was in the middle of swapping out the motor driven radiator fan for dual electronic fans from a newer model silverado. I was helping in the swap as the vehicle became mine midway thorough the conversion. At first you would need to plug the...
  14. PJDYukonXL

    Intermittent Electrical Issue

    I drove my 16 Yukon XL 5.3 two nights ago and noticed it starting sluggishly. I had a number of errands to run and it seemed to get worse every time. I left the vehicle running as I went in the store on my last errand in fear the vehicle wouldn't start again. In the way home I stopped at the...
  15. D

    2002 Yukon XL Denali No Start Electrical Problems

    Hey guys I have a 2002 Yukon XL Denali and I can't get it to start. I think it has something to do with the VATS but I have replaced the lock housing and cylinder. Also the temperature and the fuel gauge are not working and the radio's not working and some of the options on the DIC have lines in...
  16. ncalvo

    03 z71 tahoe parasitic drain

    I have had my tahoe for over 10 years now, and the electrical gremlins are really haunting me. Currently (no pun intended) I have a parasitic drain, and narrowed it down to the info circuit. Interestingly, when I pull the info fuse out, and reinstall, it appears the drain disappears. It also...
  17. isp5190

    Brake Controller No Power

    Our 2009 LTZ did not have the Integrated Brake Control. I just installed a CURT controller. I do not have power on the Red/Black wire on the factory Electric Brake Control Wiring Provision. I see something in the owner manual about "two circuits are installed in the under hood electrical...
  18. T

    Service Messages

    Since I bought my 2006 Tahoe the Service air bag, Service Tire monitor, and Service Brake booster warnings come up in the information display. Around a month ago it also started saying Service 4WD. The service 4wd came on once and the next few days it stayed off. Then it came back on and went...

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