1996 GMC Safari Heater blower motor

1996 GMC SAFARI
150,000 MILES • 6 CYL • AWD • AUTOMATIC
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RRSFG
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  • 1 POST
Why does my blower motor only work on both mediums? No hi or low, sometime not at all.
Dec 16, 2009 at 11:58 PM
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RASMATAZ
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You need to check and test the blower motor resistor and the blower motor relay.
Dec 17, 2009 at 1:25 AM