fuel gauge works in reverse

walla2

Cadet
Joined
Jul 22, 2011
Messages
14
i put a universal sending unit in this winter with a half a tank of gas in and the gauge read a half tank but when i filled it up it went to empty. i then took the boat out for the first time this year and it read backwards from empty to full. any suggestions...
 

BonairII

Commander
Joined
Jun 7, 2011
Messages
2,727
Re: fuel gauge works in reverse

Are your positive and negative wires on backward?
 
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