Just when it's starting to get cold too. Damn.

Anyway, I was leaving work 2 days ago, and when I went to start my 1983 300SD the glow plug light didn't come on. I had just been in the car about an hour ago so it was still somewhat warm, it started right up with no problem. I just figured the bulb had gone bad.

The next morning it was hell trying to get the thing to start. I have a block heater, but that doesn't really help me when I'm leaving work at night.

Usually I'd have my uncle help me with this, as he is a diesel genius, but he is out of town.

So, what do I need to do to find my problem. I understand it could be a bad plug or it could be the relay. I have another 83 300SD that I could pull the relay from if I know where it is.

Could someone post a picture of where it is located.

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1983 300SD W126 w/276k miles