1998 Chevy Blazer fan

Tiny
OLDIE55
  • MEMBER
  • 1998 CHEVROLET BLAZER
Heater problem
1998 Chevy Blazer

fan motor just up and quit-put in a new resistor but now only have a fan on seletion #3. No speed on 1, 2 or high. Cannot find anything in my manuel or Haynes repair manuel about any fuse or anything for the blower fan. Any info would be appreciated
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Friday, March 6th, 2009 AT 11:57 AM

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Tiny
JDL
  • EXPERT
Hello, maybe something wrong with the speed switch? The high blower speed doesn't use a resistor. High speed fuse, hvac 30 amp, underhood electrical center.

The blower relay has to be energized for the high speed. The feed for the control side of the relay, comes the hvac controller on the dash, hi speed selection. That relay is not energized for the lower speeds.
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Friday, March 6th, 2009 AT 1:20 PM

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