fan blower heater

1992 CADILLAC FLEETWOOD BROUGHAM
V8 • 2WD • AUTOMATIC
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MIKEY D
  • MEMBER
  • 1 POST
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 1:21 PM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
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 1:30 PM
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