1987 GMC Van Repair Question

Topics covered: Miscellaneous.
Mileage: 80,000 miles.

Asked on November 1, 2012

GMC Van Problem

I just bought van the fan works on low and medium speed but when i put fan on high speed nothing as it is getting cold i need the high speed what is the problem please

Asked by dominicandoug

Answer

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Replied on November 1, 2012

check your blower relay it may not be sending power to blower for high. also check your fan switch

Answered by hmac300 (expert)
18,698 answers provided