I believe the circuit should be: hot to gauge/gauge to sending unit (using the opposite stud on the gauge)/ground the sending unit. If that isn't correct we'll find out.

that's correct. I like to bench it using the truck wires b4 i screw it down, you should be able to bench test it in the truck b4 you install it in the tank.

Last edited by carolines truck; 11/07/2008 4:01 PM.
Jim & Caroline
The highway is for gamblers, better use your good sense."
Gooday-that's my 1¢ answer due to the lousy economy ~ cause I ain't got - no . mo . doe
Every Shaver | Now Can Snore | Six More Minutes | Than Before ... | Half A Pound for Half a Dollar | Spread On Thin | Above the Collar || BURMA-SHAVE