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2008 Chevrolet Impala Question: My rear defrost does not work

 

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AAAWoody, Markham, IL, April 05, 2013, 08:15
 Rookie

The switch light comes on, the fuse is good, I have voltage at the terminal on the right of the rear window and the left side is grounded,and I even read voltage across the defrost wires in the glass and at the ground terminal. ?????

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  • Answer #1

    pushrod April 05, 2013, 15:13
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     Master

    Unhook wires and read resistance across the grid. I dont know the value but has to be enough to generate heat! Can't be 0 nor infinite and still work.

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