Fiddling around the left dash, found another Map Light. Ha. Of course, no bulb. Now it works, and have two. Finally pulled out the fuel gauge. Yikes, what delicate thread-like wires on that thing. Don't drop it. Odd balance, when you hold it upside down, the needle goes to F. Gave it a dab of oil. So needle moves. Tests OK across terminals. Sending unit was back out. It tests within Chrysler specs for resistance. Let's jump this thing together with gauge out. Power to gauge. Gauge to ground. Unit to gauge. Unit to ground. Operate float, and the dang thing is working!! Up & down, E to F. WOOHOO! Just in time for a couple cold weather day delays, and a hailstorm. Better today, so put gauge back in the cluster. Sending unit back in tank. Soldered a wire to the locking retainer ring to run to ground. Jumped new wire from unit to gauge. Power to gauge. Needle registered about 1/3, which is about how much gas was in the tank. Thank goodness for results. Attached new wire to unit and under the carpet to the side.
Have obtained all supplies to begin constructing a new 8 wire harness from front to back. Can install it, somewhere. New wires to lamp sockets in the trunk shouldn't be too bad. Trying to figure out the front is a different story. I cannot see, nor get to anything behind the dash. Dastardly words and work are probably on tap.If you have a secret, please advise.