Outer Limits 4x4 Board

hi all,

just put a jimny efi engine into my zook, and need to wire up the tacho.

How would i go about this, it has two coil packs, one for 2 and 3 cyl and the other for 1 and 4.
The original tacho was wired up to the single coil on the old carb engine.

Thanks

Brenno