Question about 2004 Chevrolet Silverado 1500 Crew Cab

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Blower fan didn't work on setting #1 on Silverado. #2 thru #5 did. Suddenly while on fan #2 the fan jumped to #5 and continued to run even after turning off ignition. Only way to stop fan from operating was to disconnect the harness at the blower motor. After unplugging the harness the motor stopped but as soon as I turned the dial on the dash the motor went to #5 and had to do the unplugged all over again to make motor stop. What goes with this????

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  • seanymph746 Mar 09, 2009

    2002 Silverado blower SPEED control. Where is it located????

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You will need to replace the blower speed control, it is shorted.

Posted on Mar 09, 2009

  • yadayada
    yadayada Mar 09, 2009

    The blower motor resistor is above the passenger side close-out panel, below the glove compartment and towards the firewall. There will be a wiring harness leading from it to the blower motor and another harness leading into it. The harness leading into it will have a 4-wire connector and the harness leading to the blower motor will have a 2-wire connector

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Below i will include an image of the location of the blower motor, removal and installation instructions.

The blower motor resister is under the dashboard behind the glove box.

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1. Remove the glove box.

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With what you have done so far by jumping the fan, installing a new switch and checking the fuses this will but you back in business.

Regards,
netvan

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