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Old 09-12-2013, 06:09 PM
DieselPaul DieselPaul is offline
is thinning the herd
 
Join Date: Mar 2010
Location: Columbus, Ohio
Posts: 3,339
I'm pretty sure this was diagnostic thing for checking timing usually only found on US versions of 70s Mercedes. I've seen a few cars with it, it usually runs to a big connector on the drivers side inner fender that sort of look like the tach amplifier connector.

It has nothing to do with the runability of the car.
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