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Gary
Gary, ASE Certified Technician
Category: Chevy
Satisfied Customers: 298
Experience:  ASE Master Truck Technician,24 Years GM Shop Foreman,Fully Trained GM Trucks Light and Heavy.
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Submitted: 9 years ago.
Category: Chevy
Expert:  Gary replied 9 years ago.

Hi, if your blower is inop,check under the hood, and see if you have a good connection at the motor large power, and small ground wires. also, check if your fuse is good.if all ok, you need to turn the key on,turn the blower on, and check for power at the large wire with a test light, if you have power, check your ground by moving the test light clip to the small wire.if you have good power and ground, you probably have a bad blower motor.Good luck...If you have any other questions, please ask...Gary

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