2002 Pontiac Grand Prix fan switch

100,000 MILES • 6 CYL • FWD • AUTOMATIC
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MSMT
  • MEMBER
  • 1 POST
i can only put my heat on to 5 other wise it does nothing
Jan 6, 2009 at 6:26 AM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
My first thought is the resistor assembly.


https://images.2carpros.com/forum/automotive_pictures/170934_pontiac_resistor_1.jpg

The blower motor and resistor assembly should be located under the passenger side of the dash. The high speed doesn't use a resistor. You might check the fuses. One for hvac control, that circuit goes hot when you turn on the key. Hvac high fuse is hot all the time. That one should be ok, the blower works on high, correct?
Jan 6, 2009 at 7:02 AM
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