1996 GMC Sonoma only works on high blower speed

1996 GMC SONOMA
109,000 MILES • 4 CYL • 2WD • AUTOMATIC
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ED.SESSIONS
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changed blower motor with new motor fan only works on high
Oct 15, 2010 at 3:04 PM
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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SATURNTECH9
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Have you checked the blower motor resistor yet?
Oct 15, 2010 at 3:15 PM
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ED.SESSIONS
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the truck belongs to a friend that I am trying to help.This is what I thought it might be but wasn't positive.How do you actually check it do you ohm it out and how?
Oct 15, 2010 at 4:36 PM
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SATURNTECH9
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https://images.2carpros.com/forum/automotive_pictures/416332_1996_gmc_sonoma_blower_motor_1.jpg


https://images.2carpros.com/forum/automotive_pictures/416332_1996_gmc_sonoma_blower_motor_part2_1.jpg


https://images.2carpros.com/forum/automotive_pictures/416332_1996_gmc_sonoma_blower_motor_part3_1.jpg

I posted the location's of the resistor and the relay there in the engine compartment i also posted the trouble tree for the blower only work's on high.I also emailed you the trouble tree.
Oct 15, 2010 at 6:49 PM