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2002 Cavalier A/C Heater Fan Control

Tiny
DUSTOMAN
  • MEMBER
  • 2002 CHEVROLET CAVALIER
So I wanted to know if I'm on the right track. The A/C Heater speed control has stopped working on the 1 and 2 position. The fan will only operate at speeds 3 and 4. Is the switch going bad? I have checked the fuses and relays and they all look okay. How do I go about checking this out?

Thanks,
DustoMan
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Tuesday, June 12th, 2007 AT 11:46 AM

4 Replies

Tiny
E40WATER12
  • MECHANIC
  • 522 POSTS
Sounds to me youre switch is almost wornout. I think a new switch should fix it.
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Wednesday, June 13th, 2007 AT 4:15 AM
Tiny
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  • 3 POSTS
How easy is that to replace?

EDIT: I can't seem to find that part anywhere online. Can someone help out? It's a 2002 Cavalier LS
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Wednesday, June 13th, 2007 AT 7:34 AM
Tiny
KAY_DUBB1
  • MEMBER
  • 2 POSTS
Did they ever help you with this? Im having the same issue
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Thursday, December 23rd, 2010 AT 1:24 PM
Tiny
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  • MEMBER
  • 3 POSTS
My friend has the exact same car with this exact problem. It's caused by water getting down into the air intake for the blower motor and corroding the "Blower Motor Resistor". Popped the glove box off and unbolted the blower motor to check out the resistor and sure enough. Two of the four lines were worn away. Popped a new one back in, cleaned the leaves and debris out of the blower motor and put it all back together. Has worked like a charm since.
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Thursday, December 23rd, 2010 AT 3:45 PM

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