fan blower heater

1992 CADILLAC FLEETWOOD BROUGHAM
V8 • 2WD • AUTOMATIC
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MIKEY D
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is there any way to test the blower to see if that is the source of the problem and where is the switch
Feb 14, 2011 at 9:21 PM
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JDL
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At the blower motor connector, key on, hvac on, check for voltage and ground. Purple wire is voltage, black is ground. If both check out ok, and no blower action, I suspect the blower motor.
Feb 14, 2011 at 9:30 PM