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Chris (aka- Moose)
Chris (aka- Moose), Technician
Category: Ford
Satisfied Customers: 44425
Experience:  16 years experience
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FORD F150 1989 4X4 4.9 ENGINE,BLOWER MOTOR WORK JUST IN GH

Customer Question

FORD F150 1989 4X4 4.9 ENGINE,BLOWER MOTOR WORK JUST IN HIGH SPEED
Submitted: 1 year ago.
Category: Ford
Expert:  Chris (aka- Moose) replied 1 year ago.

Welcome, I am Chris (aka-Moose)

"FORD F150 1989 4X4 4.9 ENGINE,BLOWER MOTOR WORK JUST IN HIGH SPEED. I REPLACED THE RESISTOR."

Normally this is the resistor to blame but its new, so we need to diagnose the switch.

light green/white=LG/WH

yellow/red=YE/RD

At the switch or resistor, on low neither the LG/WH or YE/RD should be ground

On speed 1 the YE/RD should be ground

On speed 2 the LG/WH should be ground

If you do not get these results, then the blower switch is bad.

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Thanks Chris

Expert:  Chris (aka- Moose) replied 1 year ago.

As mentioned in my first response, I would stay in contact with you. I've noticed you have not rated the post. So I assume you were not pleased with my help. I hate that you have spent money to get an answer but left not happy. Can you tell me why, or can I help more. If its more help you need just reply and we can pick up where we left off.

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