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rellick · 04-15-2013, 03:13 PM

Hi Dom, if you can locate the sending unit on the tank take the wire off and your gauge should go to empty, if it does I'd say your sending unit is bad. If it stays at full the sender wire may be shorting to ground somewhere, you could check the gauge this way also by taking the sender wire off and see if the gauge drops. Hope this helps!!

04-15-2013, 03:13 PM	#2
rellick Senior Member Join Date: Dec 2012 Location: Sexsmith Alberta Canada Posts: 594	Hi Dom, if you can locate the sending unit on the tank take the wire off and your gauge should go to empty, if it does I'd say your sending unit is bad. If it stays at full the sender wire may be shorting to ground somewhere, you could check the gauge this way also by taking the sender wire off and see if the gauge drops. Hope this helps!! __________________ Keith, Krista and Family 77 38' Newell Coach Repowered from Smokin' V555TA To 325hp 8.3 inline 6 cummins, Allison 3000 series trans 87 40' Newell Coach 475hp 8V92 DD(sold) 22' 350hp Jet Riverboat 79 Ford F250 4x4 Many others to list