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Old 06-17-2010, 09:26 PM   #1
SuperLift 93
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93 K5 Blazer Electronics Issues

Hello Guru's, I have a 1993 K5 Blazer(1500 pkg) with a 1996 suburban engine, 5.7L V8 TBI same connections, but does have an aftermarket alarm. My truck is experiencing problems with the HVAC, Wipers, Radio, and ignition systems cutting on & off by themselves as I accelerate from a standing stop. ABS, Brake and Service engine light all came on @ the same time these problems started. I'm clueless even after replacing modules & sensors??? PLZ HELP!
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Old 06-18-2010, 01:40 PM   #2
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Re: 93 K5 Blazer Electronics Issues

When seemingly non-related electrical problems occur, it's usually a ground connection is either loose, corroded, or missing. Check the body grounds: battery negative terminal to the body and engine block. Also check ground cable from engine block to body.
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