On my 84 300D the wire on the coolant thermostat located above the coolant thermostat came disconnected and is about 18" long hanging from the thermostat. I can't find where the wire is suppose to be attached. Please help,thank you.

A picture on this one might help us all.

I have to go look at my thermostat housing to see what I have there.

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80 300D 340K Owned 30 yrs
83 300SD 440K Owned 9 yrs - Daily Driver 150mi/day
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The wire attached to the coolant temp sensor broke and can't see where the other end attaches.

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Where does the other end of the wire Go?

The wire should follow the discharge line from the auxiliary water pump to a junction located below the coolant reservoir. It signals the CCU that the coolant is warm enough to start the blower.

Would it be possible to send a photo showing the connection. I' m a 40 year master electrician and can't see where the original connection originated. It was a clean break,thank you.

I'll do this for you tomorrow.

Here is the photo you want. Also note the 1 amp fuse for the circulator. Saves your CCU if the circulator goes to heaven.

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Thanks for the photo.