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Found it, Thanks! The engine is from a HMM-V Cross-over switch, Glow plug switch by the #8 cyl, and cold advance in the right rear block-off plate on the head, all are normally closed, and open the circuits (cut off power through them) at around 120 degrees F.

I am wondering where the locations of all the various temp switches are and what ones are normally open, normally closed, and at what temps? There are ones for the cold advance, the glow plugs, temp light, fuel heater, and one in my thermostat cross-over. These are the ones I am curious about.