Rally Pac wiring

[WORTH]

anyone have a wiring diagram for the rally pac? the clock looks pretty straight forward, got a +, a - ,and a light wire. But the tach I have no info on.

the wires are
Blue/blk
Green/red
Black

 

[Pakrat]

Any of this help bud?

http://www.cjponyparts.com/TechRP.asp