1994 grand am heat works on and off

Asked by Jan 26, 2014 at 04:42 AM about the 1994 Pontiac Grand Am 4 Dr SE Sedan

Question type: Maintenance & Repair

I recently purchased this car. One day the temperature outside dropped below zero. I
went out and stayed the car and the heat would not blow. Halfway to work it kicked on
blowing strong. Since then it is hit or miss sometimes it blows sometimes it doesn't. I
also smella burnt plastic sort of smell. Thanks for any help guys in pointing me in the
right direction. P.s we have very low temps in the forecast all week so any fast response
will be appreciated, thanks.

1 Answer


Sounds like the blower motor resistor block is burning out. It will be next to the blower motor usually on the passenger's side under the dash. It will have a 5 wire connector plugged into it. If the connector is burned, replace that too. HTH. -Jim

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