2004 Chevy Silverado Wire/ignition switch shorted out?????

2004 CHEVROLET SILVERADO
115,000 MILES • V8 • 4WD • AUTOMATIC
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MCLEMENTS
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Stopped at home for a quick minute and hopped back in my truck to leave and started it up and the brake light,abs, computer said service 4wd, No blower for vents, no cruise, and my after market raidio doesnt work. I know on my fuse panel there are the aux ignition posts in there that I have years back fed off from for a couple really small things that are also all dead. Not sure if a wire is burned up or a relay burned up. Not sure where to start without tearing the whole wireing harness out.... Please help!
Jul 21, 2010 at 9:14 AM
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KHLOW2008
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Hi mclements,

Thank you for the donation.

I would suggest starting with the ignition switch. Test for power supply to and out of it first. A bad ignition switch can cause the symptoms indicated.
Jul 21, 2010 at 2:10 PM