2002 chevy avalanche

2002 CHEVROLET AVALANCHE
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RCMIKE72
  • MEMBER
  • 2 POSTS
my heater switch will only work on 3,4,5 the 1,2 will not work could you tell me whats wrong. please thank you
Nov 20, 2007 at 7:54 PM
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DENNYP
  • ✓Experienced Mechanic
  • 1,824 POSTS
needs a blower motor resistor.
Dec 6, 2007 at 12:55 PM
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