Heater fan not working properly

1994 GMC C1500
215,000 MILES • 5.7L • V8 • 2WD • AUTOMATIC
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ALAN.MEEHL
  • MEMBER
  • 2 POSTS
heater display comes on. When you use the fan control from low to high it clicks but the fan does not run?
Feb 6, 2018 at 4:17 PM
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JOHNNYT73
  • ✓Experienced Mechanic
  • 924 POSTS
This could very well be a bad blower motor. The click you are hearing is most likely the relay for the blower motor fan.
Feb 6, 2018 at 9:38 PM
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ALAN.MEEHL
  • MEMBER
  • 2 POSTS
Thank you for your help. I should have checked the connection. Which I did at the back of the heater control. Now is working fine.
Feb 8, 2018 at 6:00 AM
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