2005 GMC Sierra the fan

2005 GMC SIERRA
291,556 MILES • 4 CYL • FWD • AUTOMATIC
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CATHY WORRELL
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  • 1 POST
i have an question the fan on my truck comes on by it self when the truck is turn off and key is not in switch i had to un plug the battery cable to keep it from coming on in the middlle of the night and killing my battery how do i fix it why is it doing this please help cathy
Feb 17, 2010 at 5:35 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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