I was cleaning an electrical connection on my 1985 w123 300TD behind the valve cover and it crumbled in my hand. The wires run down to something on the fuel injection area. my problem is that it plugs back in in three different ways. see photos. The female side has a dimple but the male side does not. so I don't know which way it needs to go now. what it the part called that I goes to and which way shout I plug it in?

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Rick Keeling

I don't know what it is for but...Consider peeling back some outer sheath insulation on each side of the connector close to the plug to identify the wire color codes on the inside and then orient it in the proper clock position.

Good luck!!!

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"Rudeness is a weak man's imitation of strength" - Eric Hoffer

Look closely for pin and socket numbers on each half of the connection. Match 1-1, 2-2, 3-3.

Otherwise, peel back the wire loom material and match wire colors.

Sixto
98 E320s sedan and wagon
02 C320 wagon

Thanks, guys I'm to regimental in my thinking, sometimes the easy thing to do escapes me. :/

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Rick Keeling

I took a pic of where the wire connection that I broke routs to.
what is it and what does it do?
I will strip back wire for color identification.

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Rick Keeling

Rack position sensor?

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Milan Brown 1979 240D, rebuilt OM617.952 turbo diesel, rebuilt 722.315 transmission (my only daily driver)

Instagram: @maximed93

That's the rack position sensor, used to actuate the EGR valve, a thing I believe the engine can do without .

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-Nate
1982 240D 408,XXX miles
Ignorance is the mother of suspicion and fear is the father

I did then what I knew how to do ~ now that I know better I do better

Thanks

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Rick Keeling