I have a 2006 gmc sierra...hooked up a stereo system in it...one wire came loose grounded out now I have no instrument panel lights..locks work windows don't...it will not start. Relays and fuses good

30

Asked by Janet May 24, 2015 at 06:53 PM about the 2006 GMC Sierra 1500 Denali Crew Cab 5.8 ft. 4WD

Question type: Maintenance & Repair

1 Answer

30

I did ohm everything...it's got 3 fuse boxes...I went through everything to make sure it wasn't relays or fuses...pulled the battery changed it because it was throwing 24 volts...didn't help anything...could it possibly be the PCM?

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