Blower motor

2005 CHEVROLET TRAILBLAZER
51 MILES • V8 • 4WD • AUTOMATIC
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DHOLLAND00
  • MEMBER
  • 1 POST
fan motor not running on 2005 trailblazer LT V8.checked fuses already .heard about resistor harness problem but is that on manual not digital controls?
Dec 31, 2010 at 4:45 PM
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KHLOW2008
  • ✓Experienced Mechanic
  • 41,814 POSTS
Have you tested the fan motor?
Have you tried to retrieve for trouble codes?
Automatic climate control does not have resistor but instead uses a blower motor control module that does not have wireharness failure problems.

Attached are the diagnostic procedures.
Jan 1, 2011 at 6:50 AM
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