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Old 01-06-2018, 09:17 AM   #6
Okie528
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Join Date: Feb 2016
Location: Maryville, TN
Posts: 44
Re: Random Click - 71 Blazer

I had something similar on mine right after we replaced all the wiring harnesses with AA harnesses. It would happen with the key off just randomly. A little unnerving as a dead short and close call electrical fire prompted the rewire. The guy I had do the electrical work looked into it, and said it was an anti-dieseling relay, (maybe in the a/c harness?)apparently he just disconnected it, no more clicking.
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