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1992 Oldsmobile Cutlass Heater Problems

Tiny
R_STEWA
  • MEMBER
  • 1992 OLDSMOBILE CUTLASS
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 134,000 MILES
My car heater works, but not on the highest setting. It only works on the first three levels, but not the high setting which leads to me having to wait forever for it to warm up in the winter. Any suggestions on how to fix this?
Monday, November 17th, 2008 AT 10:15 AM

1 Reply

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 108,262 POSTS
Hi
Either the switch is bad or there is a problem with the blower motor resister. With the switch on high, check for power to the resister. If it's getting power, replace the resister. If there is no power, go to the switch and check if there is power out when on hi.

Let me know what you find.

Joe
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Thursday, December 11th, 2008 AT 4:40 PM

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