'73 w115 electric window switch not working - Mercedes-Benz Forum

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post #1 of 2 (permalink) Old 04-04-2013, 08:17 PM Thread Starter
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Date registered: May 2012
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'73 w115 electric window switch not working


My 73 w115driver side power window switch is not working. All the other 3 window switches work and those windows go up and down, just not the driver window.

i did notice that when i press the working window's switchs the make a 'clicking' noise assuming that is what lets driver know it is working. however the driver front switch does not make that noise.

was thinking something is jamming the switch, but not sure. any ideas?
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post #2 of 2 (permalink) Old 04-05-2013, 08:08 AM
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when i test those , i turn ignition on , and closely watch the cluster lights , i press switch , up , and down , and watch for the lights to dim , if lights dim both way , but nothing happen , motor is bad , if lights dim only up or down , but not both way , switch is bad .in this case try contact cleaner . fuses must be ok [ use test light ] .
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