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1989 MB 560 SEC
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220 Posts
Discussion Starter #1
I've seen some recent posts on window problems, and have a problem with the drivers side rear not working. All the others do well. Can someone get me started on how to troubleshoot the problem. Neither switch will work the window. Remember, this is a SEC not a sedan so I'm not sure where to begin on getting to the window "works".
 

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Two '87 570SECs, one '87 560SEL
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4,448 Posts
Is it stuck up or down?
Any noises at all - the motor is running but nothing moves?
Humming only when switch depressed - something is jammed but the motor is getting power. Watch the dome light (or use a voltmeter) to see if battery voltage dips when a switch is depressed?

Child switch on the console, fuses, disassemble the rear upholstery and check the motor.
 

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12-Camel TT S600
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1,794 Posts
often its either the motor, or the mechanism loses the balance and gets stuck.. some plastic piece breaks and get stuck, or a spring flies off...

remove the upholstry and have through inspection..
 
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