There should be a plug over by the fan where the fan wiring goes through the rad. core support.

Pull the plug and check for voltage there and see what you got. Try it with the temp. switch leads crossed again too.

Could be a bad fan. The fan is repairable. But, there are some other things to check too. I forget what they are. I did all of this months ago. There is a good wiring diagram on here somewhere. Hopefully someone will know where it is. I don't feel like searching right now.

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AJ

1985 300D (SOLD)