Heater fan doesnt work even after replacing.

Tiny
ANONYMOUS
  • MEMBER
  • 1996 CADILLAC SEVILLE
  • 200,000 MILES
Heater fan doesnt work even after replacing motor has signal out of the motor on a grey wire has power into and ground out of the motor. Could there be a heater switch in the coolant lines and if so where
Friday, November 9th, 2012 AT 1:56 AM

1 Reply

Tiny
ASEMASTER6371
  • EXPERT
It is a ground controlled motor. That why both wires are hot. The climate control module controls the blower. Have it checked for codes to narrow the area of failure

Roy
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Friday, November 9th, 2012 AT 3:39 AM

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