Ae71 small port conversion tacho help

[JinxD]

Hey guys I've just finished this conversion. We would like to use the stock tacho. However, I'm not sure how to connect it up. Afaik you take a loop from the small port coil on the negative side to a wire on the stock tacho.
Correct me if I'm wrong please.
Does anyone know which wire it is that I need to tap into colour and location would be good. Or if anyone knows which on it is behind the dash I can get to it there also. Thanks in advance.

[blinded]

I do know how to do it as I did it with my old smallport conversion, only thing is off the top of my head I can't remember the colour of the wire. When I get home from work, I'll have a dig around and see if I can find a photo or if not, see if I can remember which one it was in the engine bay.

I think off the top of my head it was a thin black wire from the drivers side wiring loom. (Where it comes through the guard into the engine bay)

[Matt]

Can confirm it is a thin black one on the ke70.... Which you'd think is the same on the ae71

[blinded]

Had a quick glance last night to see if I could spot that wire. Unfortunately I have all those wires now cut off and tucked away in some conduit. I am now fairly certain it was a thin black one knowing that Matt thinks the same.

If you wanted to do a test, get a length of wire and connect it to the -ve side of the coil and just tap the wire against each of the other wires coming out that side of the engine bay. One will make your tacho jump