Having a clear rear window is imperative while driving your Corvette. It can be a real pain if your defroster is not working properly on a day when the weather really calls for it. Be sure that your window will defrost the way it's supposed to with the C3 Corvette 1978 Rear Window Defroster Relay.
This simple part connects the necessary components together in order to make your defroster work, so you can safely see out of your rear window again.
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