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1991 Chevy Cavalier problems with the heater

Tiny
2CP-ARCHIVES
  • MEMBER
  • 1991 CHEVROLET CAVALIER
  • 4 CYL
  • FWD
  • AUTOMATIC
  • 116,001 MILES
1991 Chevy Cavalier mileage: 116,000. I recently had problems with the heater in my car. I keep blowing fuses for my heater. We tried to replace the fan thinking that was the cause but no go. All the other fuses are working fine its just the heat. Can you think of any other problem? The only heat I am getting is when I get driving it automatically flows through the vent and baby it is cold outside in NY.
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Tuesday, November 9th, 2010 AT 9:37 PM

1 Reply

Tiny
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  • MEMBER
  • 4,540 POSTS
You need to perform a couple of tests. First, disconnect the power wire to the heater fan and turn on the controls for the heater to see if it blows a fuse. If it does, then you have problems in either the wiring or the control on the dash. Second, check the variable speed resister. It is usually located in the air duct close to the blower motor. It is possible that it has shorted out.
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Tuesday, November 9th, 2010 AT 9:38 PM

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