ok how do i by pass balance module so it will read for an aftermarket fuel gauge and fuel pump i have completely removed the rear tank to put a wheel lift in but i can not get the fuel gauge to work so i went out and bought an after market fuel gauge and fuel pump now i have 4 wires two...
gas gauge
its a 1998 chevy c3500hd with dual tanks have cleaned the grounds change the cluster and the sending unit with all new 3 different times and still get the same thing when you turn the key on the gauge will go to full then it will start bouncing then goes to empty and stay there
ok i have changed the sending unit by pass the switch box for the tanks and still have a wild gas gauge it will start on full the drop to empty then bounce around then goes back to empty can any one help please