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Dan, Technician
Category: Chevy
Satisfied Customers: 23964
Experience:  Independent Shop Experience, 2 Year Automotive Diploma, & Access to Information Database
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Chevrolet Trailblazer EXT: The fan doesn't blow from the dash.

Customer Question

The fan doesn't blow from the dash. Rear fan works fine I have a 2004 trailblazer witha V8
Submitted: 2 years ago.
Category: Chevy
Expert:  Dan replied 2 years ago.
Hello, my name is ***** ***** I'm here to help get your problem solved. Do you have automatic or manual controls? Thanks.
Customer: replied 2 years ago.
Not sure what you mean. There is a dial for temp and one to select where the air blows out Dash floor defrost etc an A/C button & recirc.
Expert:  Dan replied 2 years ago.
It sounds like you probably have auto control and the most common problem is the blower motor control module. Here are testing/replacement instructions. Let me know how it goes or if you have more questions, thanks.