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

10

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

Question type: Maintenance & Repair

3 Answers

86,695

They may look good but still be blown, use an ohm meter and test each fuse separately and make sure you test them in both fuse boxes. It does sound like a blown fuse or damaged circuit.

10

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?

86,695

It could have messed up the programming for the accessories, talk with a dealer about a reflash, see if they might agree with this.

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