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2007 Chevrolet Cobalt Question: rear defroster quit working

 

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hunter 516, Marietta, PA, December 30, 2013, 09:09
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tested the switch , fuse and relay all are good no power to glass contacts

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    G. T. Service Center (3086 Answers) , Stephenville, TX - (254) 638-3236
    ProfessorG December 30, 2013, 11:03
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    Just asking, but you are saying the relay does engage when activated and you have continuity through it going toward the glass heater?

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    hunter 516, December 30, 2013, 13:20
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    There are 4 prongs on the relay one is hot all the time one go's hot when the switch is turned on and the third go's hot with the relay installed

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    ProfessorG, December 30, 2013, 13:55
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    Does one ground when the defroster is turned on?

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