Switch only works on high fan speed?

Tiny
MNKJAH
  • MEMBER
  • 2001 OLDSMOBILE ALERO
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 43,000 MILES
Switch only works on high fan speed. This switch was replaced during the first year. I need to know how to get the switch out so I may replace it.
Monday, February 16th, 2009 AT 5:49 PM

1 Reply

Tiny
MASTERTECHTIM
  • MECHANIC
  • 4,749 POSTS
Your problem sounds like it is the blower motor resistor, its located right beside the blower motor and its held in by 3 5.5mm screws. The circuit board on it will be burnt out, its very common and I think the new ones are updated so they don't keep burning out. I replace these at least on a weekly basis. Here is how to change the switch out and the resistor to help fix the problem. Check out the images (below). Please let us know what happens.
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Monday, February 16th, 2009 AT 5:55 PM

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