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Thanks for the suggestions. It is definitely resistor. It takes a 5VDC input. The ECM is looking for 0.5 to 4.5 VDC as the actuator rotates through it’s range. I have measured the resistance as I manually turn the actuator.

Napa is the only parts place within 200 miles. They can get it, but it will take 10 days. Ha.

Progress since this morning. I obtained a tele number for the contract company that ExLax uses to deliver out here. They have the package, said it would come tomorrow. We shall see, but at least, I talked to a person, and they acknowledged the existence of the package.

Hate it when a little small electronic device takes everything down. I had this issue on one of my cars, it was the feedback wiper for the transmission selector. I disassembled it, cleaned the wiper paths, and bent the little springy arms to make better contact. Unfortunately that would be difficult to do with that little potentiometer. But maybe tear the old one apart to see what the failure mode is. 
Can you tell for sure it’s the potentiometer causing the issue, not wiring. Maybe something got jostled loose on those good Alaskan roads.