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1989 Buick Century Heater Problem

Tiny
89BUICKDRIVER
  • MEMBER
  • 1989 BUICK CENTURY
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 199,000 MILES
On my heater speed switch it wont blow out air on the highest setting. There are 4 choices and since the highest speed quit working the other speeds are not blowing as hard as they used to be. What can I do to fix this without a costly mechanic bill, which I cant afford?
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Thursday, January 3rd, 2008 AT 6:00 PM

1 Reply

Tiny
BLACKOP555
  • MECHANIC
  • 10,371 POSTS
Check for voltage at the blower motor electrical connection with the speed on full, if there is no voltage with the fan on high, then replace the switch. If there is voltage then try a new blower motor.
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Thursday, January 3rd, 2008 AT 7:32 PM

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