Starting and electrical issues

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by Gugmuck, Dec 7, 2012.

  1. tbplus10

    tbplus10 Epic Member Staff Member 5+ Years 5000 Posts Platinum Contributor

    Thanks for the update, the fix turned out to be much different than I wouldve expected it should be a helpful tip for someone suffering issues like this in the future.
  2. j cat

    j cat Epic Member 5+ Years 1000 Posts

    the defective brake pedal switch or out of adjustment would cause the cruise control to not function.

    what was the cause of the voltage/power problem
  3. Gugmuck

    Gugmuck New Member

    They said the switch was the cause for the stabilitrak/abs/tc/trailer brakes going out also.

    All problems seem to have cleared, at least for now. Unfortunately as the problem was not always there, it is difficult to know for sure.

    Replacing the battery had fixed the starting problem way back when.. But the rest of the issues endured until now.

    The dealership said that there was a fault code in the abs system, which I was unaware of. (I only knew to check codes via obd2)
  4. RayVoy

    RayVoy Epic Member 5+ Years 5000 Posts

    The faulty switch was probably causing the brake lights to be on all the time (even when truck was parked) and thus knocking down the voltage.
  5. j cat

    j cat Epic Member 5+ Years 1000 Posts

    that sounds like the reason the battery got drained down. I missed that one .
  6. RayVoy

    RayVoy Epic Member 5+ Years 5000 Posts

    I do too, there was no mention of the lights being on. Easy to guess what happened after the problem is found :rofl:

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