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Old 02-18-2020, 02:35 AM
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Diesel911 Diesel911 is online now
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Location: Long Beach,CA
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Not posting your year and model is not helpful.

I looked up and you have a previous thread about a 300CD so I am assuming that is the one you are speaking of.

This is a good place to start trouble shooting.
On the CD there should be wire Junction/Terminal block on the passenger side fender well in front of the batter. It may still have the plastic cover on it.

You can use a jumper wire or a remote starter switch on that and see if it gets the engine to crank.
The 2 rear most screws are connected to the Positive batter terminal. Using a jumper wire from there to the most forward terminal should get your Starter To crank (if your battery is charged and holding the charge and the ground is OK).
This bypasses the ignition and the Neutral Safety Switch (a bad Neutral Safety Switch will also keep you from cranking.).

If you cannot get it to crank from the terminal block you are looking at a Battery or battery connections (like a bad ground) issue or a Starter issue assuming the wiring is intact.
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OM617 not cranking after GP change-terminal-block-xbbbb-j.jpg  
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