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WYZEUP

E39 window switch no power

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So trouble shooting time....

I thought the LR window motor was stuffed so removed the window reg etc tested the motor and it all works, window works from master switch but not door switch, tried another switch still doesn't work? so here i am stumped!

All lights etc in the door work fine and have checked the fuses and they're all ok

any ideas guys.....

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You havent clicked the window lock switch on the main panel? Does the other rear window work from its switch

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maybe a broken wire? the switch signal goes back to the body control module, and that operates the windows. The switch signal may not get to the module. Plug it in and look at live data - I think you can see the switches in INPA.

(If you own an E39 - get software - it's cheap, saves money, and it's fun (If you're a geek anyway))

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