electrical

  1. S

    Electrical problems with 07 Yukon

    I have a 2007 Yukon SLT 5.3L that is having some strange electrical problems. It had been running perfectly for some time now, no real electrical problems. The other day I went to start it after letting it sit for a couple weeks (the joys of working from home) and there was no power at all, no...
  2. GTHoe

    Electrical trouble, please help! 2000 tahoe

    Hello everyone, this is my first post here and I'm hoping someone can help because I have found a great deal of help here before! I have a 2000 Tahoe that I just put a t56 into so the auto is unplugged just for some back story. I go to fire it up after the install there is no power at the dash...
    • GTHoe
    • Thread
    • bcm ecm ecu electrical interior lighting manual t56 tahoe transmission
    • Replies: 4
    • Forum: Engine & Drivetrain
  3. MATTHEW J PALUMBO

    Question about STARTING and Voltage Issue.

    I have a 2009 LTZ Tahoe. Been having an issue that goes like this. Sometimes vehicle starts just fine no issues, AC runs, ALL electronics are fine. Sometimes vehicle starts and the voltage stays low, like right near 9 volts lows. When this happens, if I drive the vehicle, whatever causes a...
  4. atobin

    Plug found un-plugged

    While doing some stereo troubleshooting on my 2000 Tahoe LT, near the amp which is located behind the glove box I saw this blue plug hanging and the place where it should be plugged into. I was set to go up north with the Tahoe and didn't want to unknowingly just plug it back in and leave...
  5. C

    2008 Tahoe STILL has misfire. Please send help

    Hey Y'all, March 2020 we installed a new motor and ECM ($3500) in our 2008 Tahoe LTZ 5.3. Took it to the dealership to have the computer programmed and they also changed an actuator in the transmission. (Got locked into park while it sat during motor install) ($2100) Dealership also told us...
  6. D

    What type of ABS module is this???

    So I just bought this 2004 Yukon SLE. It's the kind that has the traction control to 4lo 4x4 options. So the person I bought it from said he recently had all the brake lines replaced, but as a result of the repair or something related to it - the ABS/BRAKE/TC lights are all on despite the brake...
  7. warndogg

    Engine starts up then dies. 06' Yukon Denali

    Hey guys any help or suggestions would be great: Other day heater fan stopped working, found out ground wire that goes to fan was fried. I pulled the HVAC fuse and Blower fuse and fixed wire to fan. return fuses, fan working again but now battery dead. :/ Jumped batt. After that when I put key...
  8. R

    New Member

    Greetings! I'm joining forces with what appears to be the best tahoe/yukon forum. With our powers combined we can make captain plan...... Anyway I'm interested in finding out how to fix a mysterious Headlight issue. The high beams turn off and the low beams come on as if the switch was used...
  9. lowpost99

    Help with 05" E-Fans and harness into a 00"

    I have been researching my e-fan upgrade, but I'm falling short of wiring my relays. Ok, first I'm not using any PCM programming or plan to nor do I want to over cool the engine with both of these fans so keep me honest if I'm repeating flawed information here. I got dual OEM fans and the...

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