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My left rear door speaker only worked with the door open, so I would take things apart, put them back together thinking everything was fixed, then next time driving with the door shut, no speaker. It ended up being a frayed wire in the bundle going into the door, but the break wasn't right in the hinge area, but actually in the piller between the front and rear doors. I would take apart all electrical connections and clear them and check for continuity until you find the bad one. How about solder connctions on the switches themselves?
Ron
87 745 235,000 km
near Brantford,Ont, Can
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