Electric choke issue

I think you made a mistake in your troubleshooting, or the harness is somehow wrong beyond the choke. There is no way "with the key off" to get choke power continuity in that part of the circuit

On a side note, there is "really" too much load on the key switch for the "run" circuit, and this is part of the reason that many Mopars overcharge, HOW THIS works

You have (originally) "the path" from the battery, through the key, to the ignition system and VR. This "run" IGN1 line provides ALL key switched power in the "run" position, under the hood---ignition system, VR, alternator field on 70/ later cars, choke if used, and on newer cars, sometimes 'smog doo dads.'

VOLTAGE drop through that path--through the connectors and the key switch itself cause LOW voltage to the VR "sense/ power" (IGN) terminal, which them ramps up to cover the drop. What this means is, the battery then runs "too high."

I always recommend you break the IGN1 "run" coming from the key, use the key end to trigger a relay, and use the relay contacts to feed the engine bay side of that circuit. And as OldManMopar says, "properly fused"

So far as your choke, that can be ???