Question about 2002 Chevrolet Silverado 1500
Sounds like a blower motor resistor and not the switch. The resistor is mounted near the blower motor. the resistor has four resistors in it that drop the voltage to control the blower speed. It sounds like the resistor for speed 2 has burned out. This resistor is used by speed two and by speed one. If it burns out speed one will not work also. Since the higher speeds do not need the speed 2 resistor they continue to work.
Posted on Oct 04, 2010
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Posted on Jan 02, 2017
BLOWER MOTOR RESISTOR IS BAD . HI SPEED IS DIRECT POWER BUT ALL OTHERS GO THROUGH RESISTOR
Posted on Feb 18, 2009
Testimonial: "you nailed it! Problem solved "
you need a resister found under your air duct by the passenger floor under dash board auto zone sells these for about 25.00 you may as well buy cabin air filters while your at it . 1 of the screws will be a pain to install back into the duct work I left mine out didn,t make a difference . you might have to order it as they are a comman item oh you will need a vacuum to clean up mess from cabin air filters .this is not a hard job .
Posted on Feb 28, 2009
Your blower resistor may be wearing out or corrosion setting in. The part is cheap and you can probably replace it. This link shows where an 01 is located. Yours may be in the same spot on on the engine bay side of the passenger firewall. Check with your auto parts store also for location.
Posted on Dec 22, 2009
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