alright guys I just put a tach on my softail that I found in my dads shop. I mounted it in place of where the horn goes, but my question is what wires do I connect to it? I have a twin fire coil, but I cant figure out which is the signal wire.... little help! attached is a picture of it, you can kinda see it.....

thanks,

Barnabie

 

here is a shot of the coil....

 

nothing? im sure there has to be someone out there that would have a little insight....

 

What year is the bike?

 

Mine was pretty simple. Red wire to "ignition on", black to ground, green to positive of the coil.

 

its a 99

sounds good, I will give it a shot!

thanks

Barnabie