Heater blower

Tiny
JOHN GROM
  • MEMBER
  • 2000 BUICK PARK AVENUE
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 127,000 MILES
2000 Park Avenue heater blower quit, the blower motor fuse looks ok. Could it be one of the cool fan relays? If not, what should I check?
Tuesday, February 22nd, 2011 AT 2:46 PM

1 Reply

Tiny
JDL
  • MECHANIC
  • 16,098 POSTS
Did you use a voltage tester at the blower motor fuse? Even if the fuse is good, if no voltage, the circuit is dead. Get at the blower motor electrical connector, Check for voltage and ground. Red wire is voltage black is ground. If you have good voltage and ground with no blower action, suspect the blower motor. Test with key on, hvac on.
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Tuesday, February 22nd, 2011 AT 4:21 PM

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