1992 Oldsmobile Cutlass Heater Problems

1992 OLDSMOBILE CUTLASS
134,000 MILES • 6 CYL • FWD • AUTOMATIC
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R_STEWA
  • MEMBER
  • 1 POST
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?
Nov 17, 2008 at 2:15 AM
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JACOBANDNICKOLAS
  • ✓Experienced Mechanic
  • 110,248 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
Dec 11, 2008 at 8:40 AM
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