what EBXR said...
wiring commonly gets damaged as it goes from the sender along the boot floor to the wiring loom down the drivers side of the car..
Could also be some sort of earthing issue...
Mind you the XD - XF electronic fuel senders were problematic from the factory let alone now!
First Ever Car - '84 XF Fairmont Ghia....Big Luxo Tank, Just Gotta Love that Velour!
Previous Ride- '87 XF S Pak...Now Retired with 305,000 on the clock!
Previous Ride-'99 AU Falcon S,Got sick of the 6...Need a V8!
5/1994 ED Futura Classic 5.0 in Polyneisan Green - One of the last ever built