It is a little connector that plugs into another connection makes it defrost
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2007 Jeep Grand Cherokee Question: Are there any way to fix the connector on my back window that defrosts it?
Answer #1patrick mannion from Greg Solow's Engine Room, October 01, 2011, 23:35Master
Auto parts stores have a repair glue that conducts electricity to repair this, you may be able to do some research on line and find it/ I think it was a company called Permatex that make it.
Replyloisjean, October 02, 2011, 05:54Rookie
hey thanks I will try and find it really appreciate your response