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C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

blower motor problem

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Old Feb 17, 2008 | 04:04 PM
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Default blower motor problem
1990 coupe L98

The a/c heater blower motor runs constantly with key on or off. I have tried to locate a relay, according to fsm it is located on blower housing but I see no relay. Only way I can shut off is by pulling power to the reostat. Inside control setting has no effect. Any suggestions on where to start?

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Old Feb 17, 2008 | 08:15 PM
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Anyone with help???
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Old Feb 17, 2008 | 09:30 PM
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Thats usually the blower control module. Pretty easy fix. Its at the top of the evap housing.
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Old Feb 17, 2008 | 11:54 PM
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thanks for your help. I guess thats what is used instead of a relay. I'll check it
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