mac monster 5" tacho v msd streetfire

[cudaboy 67]

hello, have jusr picked up a monster 5" mac tacho for my cuda that is currently running a week old msd streetfire that i dont want to fk up the wires on the tacho are red black,white green guessting red perm +12v, black -12v white ign or lights on and green to msd tach output? any thoughts well appreciated, car going into paint shop next week, om real exited!

 

[69B-Cuda]

normally, black is -12v. red is switched +12v, green is from the msd trigger output, and white would be dash lights.

 

[cudaboy 67]

many thanks for that, will get fitting saturday:cheers: