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Dan, Technician
Category: Chevy
Satisfied Customers: 24432
Experience:  Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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Air or heater blower won't come on.

Customer Question

Air or heater blower won't come on.
Submitted: 1 year ago.
Category: Chevy
Expert:  Dan replied 1 year ago.

Hello, my name is***** you have automatic or manual controls? Thanks.

Customer: replied 1 year ago.
Customer: replied 1 year ago.
What do you mean automatic or manual controls
Customer: replied 1 year ago.
The Blower will not come on whether I use heater or Air conditioner
Customer: replied 1 year ago.
Where are the answers
Expert:  Dan replied 1 year ago.

This most likely means the blower motor control module has failed. First verify blower will work when manually applying power/ground. If good verify black wire has good ground and red wire should have good power at blower motor control module/processor. Here are replacement instructions, let me know if you have more questions. Thanks.