Rear window defogger quit, light stays on at the control panel.
Rear window defogger quit, its not the relay. Unable to locate a fuse labeled
'rear defog'. The light on the control panel stays lit when the button is
Often it is the connection between the power supply wire and the grid in glass. That's what happened to my Toyota anyway, all seemed fine, light for defroster on but no heat/defrost
You were right about the power supply wire. At the Right, Front passenger door disconnect and fuse panel, a connector was 'smoked'. Only the contacts for the defogger wire were damaged. Pulled those wires out and bypassed the connector. All the rest of the wire I left in the connector. All is working well. Thanks to GM for another ''well thought out" job of engineering :(
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