Blower motor speed

2000 CHEVROLET S-10
160,000 MILES • 4 CYL • 2WD • AUTOMATIC
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CLHAGEE
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i have a 200 s-10 and my heater blower was working on high, now not at all
Dec 8, 2010 at 3:48 PM
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RASMATAZ
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Check and test the AC/Heater fuse, blower motor relay, resistor, blower switch and blower motor
Dec 8, 2010 at 4:02 PM
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JDL
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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 4:06 PM
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JDL
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Forgot to post the diagram,

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Dec 8, 2010 at 4:07 PM