Urgent Help Needed! Tacho Wire To Coils

[s13rb20pplater]

hey can anyone tell me where i put the signal wire from the tacho to the coils? which wire is it?

cant use the ecu as its f*kd, so have to go straight through to coil packs.

cheers in advance

[Slim Mat]

I'm sorry, I don't know exactly where to hook it up, but, I would be very careful about wiring into your coils, you wouldn't want to fry your new tacho.

Also extra wiring may interfere with the signal to the coils and cause the engine to run rough or miss etc.

[s13rb20pplater]

ah cheers for the heads up!!, i still havent got it worked out yet, so round 23 tommorow!