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 11:33 AM
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DANNY L
  • ✓Experienced Mechanic
  • 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 10:48 AM
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