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Old 02-04-2022, 06:55 PM
dsvw dsvw is offline
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Join Date: Aug 2019
Location: Ellicott city, MD
Posts: 171
Testing overload protection relay

Hi, I have a 1986 190d 2.5 non-turbo.

My tach only works when it wants to, about 25% of the time.

I tested the sensor on the bell housing and it tests good.

Is there any way to test the overload protection relay?

I understand that it sends a signal to the tach.
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