Question about 1989 Chevrolet Suburban

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1989 A/C blower problem

My A/C and heater blower stopped working, so after checking fuses I replaced the blower motor. This didn't solve it. Has any one experienced this before? Is there a relay I should check? Could it be the switch?

Thanks,
Paul

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U may have a defective thermal limiter in the blower motor speed control resistor, that part is near the blower and goes into the air box next to the blower motor.

Posted on Jul 22, 2009

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SOURCE: 1989 Suburban A/C blower problem

check the switch to be sure there is power goin to it and out of it. there is a high speed fan relay that usually controls all speeds. it will be under dash on right side probably on ac/heater box when u find it inspect wiring and connector

Posted on Jul 22, 2009

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check the switch to be sure there is power goin to it and out of it. there is a high speed fan relay that usually controls all speeds. it will be under dash on right side probably on ac/heater box when u find it inspect wiring and connector

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