Truck wont start

Asked by GuruPQS6C Jan 23, 2020 at 11:19 AM about the 2012 GMC Sierra 2500HD SLE Crew Cab LB 4WD

Question type: Maintenance & Repair

When I turn on the key I have power, but when I try to start the engine I loose
all power including all lights.

1 Answer

103,205

I would check for loose battery and cable connections, including those to the starter. You may also want to troubleshoot the ignition switch.

Your Answer:

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