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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15181
Experience:  GM Grand Master Technician 2007. 14 years experience.
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95 silverado 4x4 5.7 offroad ac/heater fan stopped working.

Customer Question

95 silverado 4x4 5.7 offroad ac/heater fan stopped working. Replaced motor. Then resister. Then switch. Has power all the time to motor. Still won't work...
JA: Have you checked the coolant level? Has there been any leaking from the hoses?
Customer: fan won't turn on. all else fine
JA: Are you fixing your Silverado yourself? What have you tried so far?
Customer: replaced motor, resister and switch. had entire ac redone at firestone before so all new there. no fan now even for heat any setting
JA: Anything else you want the mechanic to know before I connect you?
Customer: first thing was making sound when high setting but not working. switched lower then ok then started coming and going then out totally
Submitted: 2 months ago.
Category: Chevy
Expert:  kalamykid replied 2 months ago.

Does your blower motor only have one wire running to it or does the plug have two wires?

Customer: replied 2 months ago.
two seperate wires
Expert:  kalamykid replied 2 months ago.

So the black wire connect to a little metal tag that is bolted to the side of the blower motor?

Customer: replied 2 months ago.
made sure was good connection
Expert:  kalamykid replied 2 months ago.

Did you scrap off the paint on the blower motor where the tag bolts up?

Customer: replied 2 months ago.
Expert:  kalamykid replied 2 months ago.

Do you have a digital volt meter?

Customer: replied 2 months ago.
ran test. getting 12 volt to wire
Customer: replied 2 months ago.
with or without being on
Expert:  kalamykid replied 2 months ago.

Do this for me please, set your meter to dc volts, with the red test lead in the purple wires connector use the black lead to scratch a new place in the paint of the blower motor and see if you still get 12 volts.

Customer: replied 2 months ago.
back in a few minutes
Expert:  kalamykid replied 2 months ago.

ok

Customer: replied 2 months ago.
no power now no matter where lead placed
Expert:  kalamykid replied 2 months ago.

Did you have the ignition switch in the run position, and the fan control on?

Expert:  kalamykid replied 2 months ago.

Do you still need help?

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