rpm meter connecting up

[reevio11]

ive bought an after market rev counter for me car due too it being a 1.2 and not having one and got instructions on how to fit it but there not too clear was wondering if any mechanically minded people can help me cheers

 

[Adams_16v]

you'll have to wire it up to the coil mate for a RPM pulse.

It will depend on the type though, som ejust plug in and pick up the signal through an earth

 

[reevio11]

instuctions say red 12v ignition switch
black engine ground
green on standard ignitions green wire attaches to coil negative(-) or electonic ignitions such as wire to tacho terminal
yellow 12v battery +
can anyone give me some more help