How To Hook Up A Tachometers

[BADBLOODRUSH]

i got a no name brand tack with 1 yellow wire 1 orange wire 1 blue wire 1 red wire 1 black wire can you tell me how to install it

thanks

 

[custom_78]

One wire is a ground, one is a power for the light, one is for the positive terminal on the coil, and one is for the negative terminal on the coil