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Old 11-16-2013, 10:11 PM
pokeyarw pokeyarw is offline
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Join Date: Apr 2005
Posts: 70
W140, '92 300SD half dead electrics

I got it home driving in the daytime. The indie thought it was the ignition switch, I suppose because it does not shut off. However, the shutoff is an electric switch controlling the vacuum and mounted on the intake manifold. I could not figure out bad electrics and the usual vacuum switch on the ignition switch, but this explains it.

I'm trying to find the wiring digram in my WIA system, but it doesn't seem to be there. I'll look elsewhere on Monday, but it seems that ll the failures must be related as they all happened at the same time. i intend to trace the headlight circuit as it should go through just the fuses and the rotary switch. and should be the simplest to test.

Accepting suggestions.
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