Fan blows when on a/c, Cuts off when moved to heat. 87 Wagon.

Asked by Jan 23, 2015 at 10:32 AM about the Jeep Grand Wagoneer

Question type: Maintenance & Repair

Is this a vacuum issue or electrical?

1 Answer

38,435

Sounds electrical. Try changing out your blower motor resistor. They're about $8 on partsgeek.com

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