rev counter on 1.2 carb

[Trendall]

I have no idea if this is a re post ( dont shot me if it is)
but i wanted to know how to wire in a rev counter on a 1.2 carb mk1 nova.
i have got a pair of vx220 dials. and i wanted to know how i would go about fitting it? or if that cant be done how to wire in a after market rev counter?
+rep for anyone with advice (good advice)

[Welsh Dan]

http://www.xen0phobiak.f2s.com/1200tacho.jpg

The green wire (bottom right terminal) is the tacho feed from the 1.2 carb's coil.

[Southie]

This is how LOGGYBOY fitted his VX220 dials CLICKY (http://www.pngclub.com/forum/showthread.php?t=105081&highlight=vx220+dials)

[Shaun]

southie you are like a wealth of knowledge!

help me with mine lol...