My 87 420 rear window defroster is not working. Does anyone know if there is a heating element the heats the wires up somewhere on the car that can be replaced? I like all things to work on the car and that is the only thng not working at the present.

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Dave Bunker
1987 420SEL, 180k strong Blu & Grey
2004 Road King Custom
Sacramento, CA
tvbunk@comcast.net