2005 Chevy Trailblazer Blower Motor Cutting Out At Max Sett

2005 CHEVROLET TRAILBLAZER
64,000 MILES • 6 CYL • 4WD • AUTOMATIC
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ECUELLO
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  • 6 POSTS
I recently replaced the blower motor resistor and the resistor connecter due to the blower not working at all. Now the blower motor cuts off at the max (5) setting. I back probed the blower motor connection and I have voltage and it switches all the way up to 4. As soon as I set it to 5, the voltage drops and the blower motor cuts out. I also replaced the heater/ac control thinking that was the only possible solution but it still cuts out. I have also tried 3 different resistors and still have the same problem. Any direction given will be greatly appreciated.
Dec 8, 2009 at 6:50 PM
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BRIAN 1
  • ✓ASE Certified Mechanic
  • 1,030 POSTS
  • ASE Certified Mechanic
did you check the fuse?#5 is fused if the fuse is blown #5 will not work,its fuse #35 in the underhood fuse block its says BLOWER on it,check that fuse first.
Dec 8, 2009 at 8:01 PM
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