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E21, E30General discussion and technical help for 1975-1991 3 series cars.
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Your Ride: E30 318i '87
E30 rear defogger problem...
...Hi all...
I have a problem with a rear defogger...As it seems it has electric power in window lines..but it wont defogg
I guess that ground wire is disconnected somwhere but I dont know where ground is connected !? ....does anyone knows where should i look for that wire?
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Your Ride: E30 318i '87
Quote:
Originally Posted by mzbmw325i
Start with the basics, check your fuses first, does the defogger button light up when you push it on, might be bad as well?
yes button lights up....fuses are OK ...
When I take electrical tester and connect one end to window wires, and the other end to metal where back door locks down, electric tester light up..
So I guess that wire from the window that is connected to the ground lost contact somwhere, but I cant see where that wire goes after where is connected to the window.
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Your Ride: 2000 Volvo V70
I just looked at a wiring diagram and there is nothing tricky about that system, it recieves its power directly from the switch and you have that..What I would be looking for is the physical connection point between the contact strip and the window?, solder connection?.
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Your Ride: E30 318i '87
Quote:
Originally Posted by theeuroguy
I just looked at a wiring diagram and there is nothing tricky about that system, it recieves its power directly from the switch and you have that..What I would be looking for is the physical connection point between the contact strip and the window?, solder connection?.
every strip has power, so my guess is that wire FROM the window lost its connection...Yesterday I read somwhere that wire should be connected to the ground (G300) somwhere behind the seats.....but Im still not qute sure where is that..
10-21-2008, 02:06 PM
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