Be careful- - - -some of the aftermarket sending units have the wrong resistor installed, and have globs of solder dripped onto the variable resistor to sort of approximate the correct full-sweep resistance value. You definitely don't need to install one modified like that!
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!