Question about 1990 Chevrolet Caprice
If the relay is getting no power that's the problem. There are 2 sets of power going to this relay, the control signal (the power that comes from the switch on the dashboard turning on the relay), the second is the much greater power supp[lied to the blower motor itself. You need to test using a multimeter, the relay base to see if you have both signals there.
Posted on Jan 24, 2013
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Posted on Jan 02, 2017
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