Question about 2004 Chevrolet Silverado 1500 Crew Cab

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Where is the resistor located for the heater fan on a 2004 Silverado?

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It should be under the dash closer to the passenger side of the truck in the heater box.It may be easier to get to it if you remove the glove box.

Posted on Feb 07, 2010

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Posted on Jan 02, 2017

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1 Answer

How do you fix a fan speed switch that won't blow until it's on 4 or 5 in a 2004 z71 Chevy Silverado 1500


you need to replace the fan resistor located by fan motor if not there then trace red and black power wires to locate resistor behind or under dash it wont be mounted far from fan motor

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Feb 10, 2010 | 2004 Chevrolet Silverado 1500 Crew Cab

1 Answer

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Chech the Blower speed resistor located on the passenger side under the glove box it has about 5-7 wires on it. Check the red and black wire, they are bad about melting and loosing connection. If this is the problem which has been in many cases for me a chevy dealer sells the resistor and pigtail harness. **** this helps

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Chev. silverado 2500, 2004,


CHECK THE BLOWER RESISTOR AND THE CONNECTOR. THE TEND TO BURN TOGETHER.

THE RESISTOR IS BEHIND THE BLOWER ON THE PASSENGER SIDE OF THE TRUCK.

A DEALERSHIP USUALLY CARRIES BOTH PARTS AS THIS IS A COMMON PROBLEM.

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