Currently, the rear windows on my E30 sedan do not operate with the switches. I have proved that both work with voltage from another source. On the diagram below, power come from the Circuit Breaker through "S322" to the Safety Switch which enables/disables the rear windows. Though there is power at the breaker, there is no power at the safety switch. I am trying to locate why, but I do not know what the "S322" junction is. My gratitude for any guidance.
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That is a splice, in the ETM anything labeled S followed by a number will be a splice. You can also look up the location of said splice in the location area in the ETM.
I suspect something is going on with your window lockout switch or corroded/ broken pins in the door jam plug. -
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if you dig into the wiring harness, you'll find a biggish crimp with heat shrink over it.
But those are 'usually' pretty darned reliable. I'd be all voltmeter all over it before I
even got out the razor blade to open the harness.
t
now, sometimes I just mess with people. It's more entertaining that way. george gravesComment
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I want to thank you who responded. The reason for the post in the first place is that I asked a person in whose opinions I trust told me that "S" stood for switch. As I continued to research, I found elsewhere on the site an explanation of how to read the ECM, and I learned that "S" means splice..Last edited by 750ml; Yesterday, 09:14 AM.Comment
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There was actually NO problem. I learned that in order for the rear window to operate, BOTH the console switch AND the door switch must be installed.I suspect something is going on with your window lockout switch or corroded/ broken pins in the door jam plug.Comment
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