i thought i hooked up the right wire but i guess not. anyone know the right color off the top of there head? also my my fuel level gauge isnt working either. suggestions? thanks for the help in advance!

noah

 

Black/yellow wire from the trailing coil 4 terminal plug is the tach signal wire.

As for your fuel level... it's totally unrelated to the microtech; if it was working before, check your wiring. to the fuel pump. Or try to get another sender and see if that solves the problem.