Blower motor speed

2000 CHEVROLET S-10
160,000 MILES • 4 CYL • 2WD • AUTOMATIC
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CLHAGEE
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  • 1 POST
i have a 200 s-10 and my heater blower was working on high, now not at all
Dec 8, 2010 at 7:48 AM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
Check and test the AC/Heater fuse, blower motor relay, resistor, blower switch and blower motor
Dec 8, 2010 at 8:02 AM
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JDL
  • ✓Experienced Mechanic
  • 16,098 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.

Dec 8, 2010 at 8:06 AM
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JDL
  • ✓Experienced Mechanic
  • 16,098 POSTS
Forgot to post the diagram,

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Dec 8, 2010 at 8:07 AM
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