Question about 1991 Chevrolet K1500
My 1991 had the same problem...after many hours the hot red wire from the fused link on the firewall had voltage but it was lost at the 3 wire connecter behind the glove box (It must of got hot and melted and the connection was broken) the two green wires were also shorted out to each other...all I had to do was cut out the connector and reconnect the wires again and had my air back...hopes this helps...look for the 3 wire connector behind the glove box and disconnect battery and check for continuity.
Posted on Aug 07, 2011
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Posted on Jan 02, 2017
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