hi my tachometer is messed up and im getting a new cluster soon, but not right now so i bought a SUNPRO CP2010/CP2012 it has 4 wires(green, white, black, red) it looks okay, but i have no clue how to install it i went over the instructions a few times, but still dont so may be someone here has done that before and has pictures or better instuctions please help me (and if you could give me a cool possition to put it on) thank you