heater fan speed

1989 CHEVROLET TRUCK
198,100 MILES • V8 • AUTOMATIC
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S.SEXTON
  • MEMBER
  • 2 POSTS
1998 chevy 2500 the fan only blows on high why is that?
Feb 2, 2011 at 8:03 PM
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FIXITMR
  • ✓Experienced Mechanic
  • 9,989 POSTS
most likely the blower resistor unit is fried.
Feb 2, 2011 at 8:16 PM
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S.SEXTON
  • MEMBER
  • 2 POSTS
thanks for your help. I will try that.
Feb 2, 2011 at 8:37 PM
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