Failed sending unit signal is frustrating for sure. I too have a new wiring harness, new gas gauge, and new sending unit on my ‘57 3200. I tried the direct ground suggestion and my needle went to empty. Does that mean my wires are reversed on back of gauge?


1957 Chevy 3200
Daily Driver
PS, A/C, Tilt column, Rebuilt 350, Rebuilt TH350, Reupholstered Bench Seat, sound proof/insulated, LED headlights/taillights/backup lights/interior courtesy lights.
Follow in the DITY