i need the wireing diogram on how to hook it up in my vehicle and i hot everything hooked up in the car like the clock on the tach workes and it also lights up too as well but the only thing that i am having a problem with is that the numbers on the tach is staying at zero they don't move when my motor is on or either while i rev my motor up either. i need help you can e-mail me back or perhaps please give me a call back at (530)354-7020 please! i looked at the wireing diogram on a autometer and it says that the green wire is the wire to make the needle or/ numbers moove on the tach all i have to do it says is just hook that wire up to the negitive side of the coil and so i did and nothing happened it stayed at zero p[laes help!

thak you,
Luke W Nugen