Question about 1996 GMC Sonoma

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My 91 GMC Sonoma will not start. Its something electrical cause the horn will not blow when it wont start. Whenever the horn works, the truck starts and runs fine. While truck running, i can press the horn and the engine will try to shut off. please help!

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There a grounding problem in the wiring have you tried to disconnect the horn wiring if so you try tracingit from there if you know how to

Posted on Aug 01, 2009

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