Question about 2001 Chevrolet Silverado 1500

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The fan/blower only works on the high setting.

2001 Chevy Silverado. The fan/blower use to work on all settings last week. Currently only works on the high setting. I have checked all the fuses, Tried it with the A/C, heater, defroster. Each of those work fine but not the fan/blower

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It probably is the fan switch itself. They are around $30. for a new one. You can take it out and check to see if you have power to all the settings with a ohm meter or test light. They are not real hard to take out.

Posted on Jul 28, 2009

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The various speeds are controlled through resisters (spring-like in apperance) one of different value for each speed, none for highest speed as the power gets to the blower uninpeeded . the resistor pack could be located on the center of the firewall, held by 2 screws. thats under the hood. where the engine bay ends...i.m sorry i don't know the exact position on your model

Posted on Jul 28, 2009

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You will likely need to replace the blower motor resister because if there is something wrong with the motor or wireing the blower won't work on high either.

Posted on Jul 28, 2009

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