S-10 HEATER PROBLEMS

  • Tiny
  • clhagee
  • 2000 Chevrolet S-10
  • 4 CYL
  • 2WD
  • automatic
  • 160,000 miles

I have a 200 s-10 and my heater blower was working on high, now not at all

Wednesday, December 8th, 2010 AT 3:48 PM

3 Answers

  • Tiny
  • rasmataz
  • Member

Check and test the AC/Heater fuse, blower motor relay, resistor, blower switch and blower motor

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Wednesday, December 8th, 2010 AT 4:02 PM
  • Tiny
  • JDL
  • Expert
  • 16,236 posts

Check hvac fuses, not only check the fuse, use a voltage tester on the circuit. With key on, hvac on, check for voltage and ground at the blower motor. Purple wire is voltage, black is ground.

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Wednesday, December 8th, 2010 AT 4:06 PM
  • Tiny
  • JDL
  • Expert
  • 16,236 posts

Forgot to post the diagram.

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Wednesday, December 8th, 2010 AT 4:07 PM

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