blower will not turn on?

2007 CHEVROLET TRAILBLAZER
1,970,000 MILES • 2.3L • V6 • 4WD • AUTOMATIC
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SUSANHUDGINS
  • MEMBER
  • 1 POST
The dash indicator lights come on when you turn the blower fan to one to four and blower will not turn on. but lights shut off when you turn it to five and the fan comes on. I have replaced the blower and the resistor now i am at a loss. please help I need truck badly. Thank you
Oct 14, 2017 at 1:19 PM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.
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WRENCHTECH
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 20,761 POSTS
The first step would be to test for power and ground arriving at the motor. Which one is missing will determine where we go next. Check out the diagrams (Below). Please let us know what happens.

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Oct 14, 2017 at 2:38 PM
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