Wellll, it seems wierd that you have to put the black cord/pin of the multimeter on the negative pin of the battery. That's a helluva stretch for my itty-bitty cord (er, wait).
At any rate, I put the neg on the neg pole of the battery and the positive in each pin hole of the plug on the glow plug relay. It was on ohms and each time it pegged to the 0.
What am I doing wrong?
Thanks for your patience for the Captain of the casual mechanics!

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1982 Silver 300DT