The wiper, float arm, hub, pal nut and flexible strip are all common to ground. The only thing positive inside the plastic case is the resistance element.
Bill ya must not have read my reply that is posted right above yours or not looked at the pics. I explained and illustrated why the sender was malfunctioning and showed the repair I made to it. The resistance element had nothing to do with it, that and the wiper were just fine, it was a broken grounding strap inside the plastic case that is riveted to the support bracket.
If I had video I could show you a very nice smooth transition from 38.1 ohms down to 1.9 ohms with no skips or jerks or jumps. The gas gauge is back to reading normal and works just fine again, and no bounce, nice and steady.
Denny Graham
Sandwich, IL
