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  #1  
Old 01-14-2008, 01:52 PM
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window switch please

please tell me how to bypass the drivers side window switch i just need to get it back up please,its cold outside,its a 1983 300d,driver side front and back window.thank you very much.classics

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  #2  
Old 01-14-2008, 01:59 PM
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pry the switches out and swap them with the passenger side switches would be one way if the driver's side switches are at fault, or just find one switch that works and use it to close the windows

could be the window motors themselves
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Old 01-14-2008, 02:00 PM
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Have you checked your fuses? The drivers front and drivers rear are on different fuses. If your pass. rear works the it is not a fuse, as it is on the same fuse withj the drivers front. The pass front and drivers rear are on a seperate fuse.
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  #4  
Old 01-14-2008, 02:01 PM
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changing the switches over from passanger side to drivers side wont work.
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  #5  
Old 01-14-2008, 02:04 PM
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Take you door panel off. In the lower RH corner is a connector block. Apply 12V to the two wires coming from motor.
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  #6  
Old 01-14-2008, 02:06 PM
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yes i checked the fuses , i unplugged the switches on the drivers side ,for the front and back window,and then plugged them back in so i can get to the wires and just need to know which ones to touch together to get the window up.it isnt the motor or regulator it is the switch,thanks again
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Old 01-14-2008, 02:08 PM
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hi TX76513 can i just run a 2 wires from the battery ?
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  #8  
Old 01-14-2008, 02:15 PM
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At the switch connector, terminals 1 and 2 are connected to the motor. If you connect system voltage to one and ground the other, the motor will run. If it runs the wrong way, reverse the positive and ground.

Or you might try swapping the left and right switches.

Last edited by tangofox007; 01-14-2008 at 02:23 PM.
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  #9  
Old 01-14-2008, 02:21 PM
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system voltage being the red wire ? therEs 2 blue wires going in the same hole in the switch and 2 black going into seperate holes ,which are terminal 1 and 2 ?i know i can try both but need to know which is the voltage just to be sure THANK YOU !
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  #10  
Old 01-14-2008, 02:29 PM
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The '82 300D (beware of the year diffference) schematic shows that power to the front window switch is via a red wire at terminal 3. Power/ground to the motor is via a green and black wire at terminal 1 and 2, respectively. Terminal 4 is a brown ground wire for the switch. The blue wires should be for the lights on the switch rockers.

There should be some numbers on the switch or the connector that identify the terminals.

Last edited by tangofox007; 01-14-2008 at 02:35 PM.
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  #11  
Old 01-14-2008, 02:32 PM
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i am going to get the numbers off of the switch.
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  #12  
Old 01-14-2008, 02:38 PM
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numbers off switch are 2701 or 2781 cfant make out 3rd number the wire colors are 2 smaller blue going in same hole ,1 black,1 green,1 red ,no 2 color wires at all.thanks again
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  #13  
Old 01-14-2008, 02:45 PM
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Okay, I think the black and green are the ones you want. When the switch is in the neutral position, both of those wires are hot with system voltage. When the switch is actuated, one of the hot wires is switched to ground and the motor runs. When the switch is moved to the opposite direction, the opposite wire is connected to ground and the motor runs in the opposite direction.

To get the front window up, it looks like the black wire need 12 volts and the green wire needs a connection to ground.
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  #14  
Old 01-14-2008, 02:47 PM
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i will try it now ,thank you
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  #15  
Old 01-14-2008, 02:50 PM
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oops where can i get the 12 volts from near the switch? the red wire with starter switch turned on ?

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