Question about 1989 Jeep Cherokee
It sounds like it has no vacuum. With no vacuum to the door motors it defaults to defrost. Check for unhooked vacuum lines on the engine.
Posted on Apr 23, 2010
Testimonial: "Thank you. The response was quick and gives me a place to start with. I did suspect a vacuum problem but the additional info helped me a lot. "
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Posted on Jan 02, 2017
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