[wehswarriorS-10]

the green wire from the tach goes in the positive side of ur coil....there should be a little box right with ur coil, and it will have 2 plug ins on it, and the wire goes in one of those 4 slots on those 2 plug ins, not for sure off hand witch one it is, but u wont blow ur computer or anything just poke aroudn till it works and dont forget to set the switch on the back of the tack for 6 cyl