Is there supposed to be a "extra" ground on the guage that runs to the sending unit to ground with the other ground wire that is already there with the sending unit????.......

Wire harness diagram shows a "Fuel Jumper" wire running from the gauge to the sending unit....

~ Phillip
1949 GMC Suburban - 10 year project
1952 Pontiac Chieftain Convertible straight 8 hydramatic
1945 GMC half ton truck - Driver- Sold 9-15-25
1946 Chevy COE - SOLD 1-5-26 BUH BYE CHEVY!
1959 GMC Half ton long bed NAPCO