Blower motor does not work

2003 CADILLAC SLS
155,000 MILES • 4.7L • V8 • 2WD • AUTOMATIC
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CJCALLAGHAN
  • MEMBER
  • 1 POST
The blower motor no longer comes on for any HVAC setting (heat, defrost, air conditioning). How best to diagnose the problem? As my car is old, modern technicians seem unsure all the time. Can you advise, please?
Jun 3, 2019 at 6:33 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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DANNY L
  • AUTOMOTIVE REPAIR CONTRIBUTOR
  • 5,648 POSTS
Hello, I'm Danny.

Here is a tutorial showing how to test/replace a defective blower motor:

https://www.2carpros.com/articles/blower-fan-motor-works-on-high-speed-only

Hope this helps and thanks for using 2CarPros.
Danny-
Jun 4, 2019 at 5:48 PM
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