3 pin plug on the coil harness, need to know wiring

[SullivanRacing06]

ok nico, im needing to know on the coil harness that plugs into the coil clips, the 7 pin side of the ignitor and has a three pin plug the plugs into the engine harness, there are two black wires and a thick white wire, from what i can see the solid white a power supply? one of the black wires is a ground, and the other is called a timing wire.... what exactly is this?

[Darius]

Each coil has a plug with 3 wires. You are correct that the white wire is power supply and it is daisy-chained to each coil pack. The black wire on each is a common ground (daisy-chained) that ends up at the loop connector bolted down to the head behind cylinder #6. Then, each individual coil has its own signal wire from the coil to the ignitor. The signal wire continues from the ignitor to the ECU where the signal to fire originates. Series 2 engines integrate the ignitor into each coil so there is no ignitor on the valve cover any more. So the signal wires go directly from the ECU to the coil packs.

The ECU grounds each signal wire in sequence (derived from CAS position) and this, in turn, triggers the coil to release its charge to the spark plug.

[SullivanRacing06]

got the microtech started on the 26 in the r32 whoot whoot!!!

[WhatsADSM]

got the microtech started on the 26 in the r32 whoot whoot!!!

Good to hear!

[SullivanRacing06]

runs really rich, waiting on the microtech cd n cable so i can start messing with her