Help please. 1980 300D. Going through this car I picked up. The first few times starting the glow plugs worked fine, now a blinking dash light. Checking over the glow plugs system and getting ready for the new plugs that are in the mail I have been trying to take the nut off the glow plugs. The connection terminal and wire are twisting with the nut, looks like the whole center post is turning. Do I try my needle nose vise-grips?
I've been holding off taking the injector lines till the glow plugs get here, so not much room!
Thanks, Pete

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