South coil:  Black=Start  White=End

North  coil:  Green=Start  Red=End

Wiring a 4 wire humbucker in series so when you split the coils you get the north coil of the neck and the south coil on the bridge making them humcancel when both pickup engaged 

Neck Pickup:
Tie Red and White wires together.
Send Green to ground and Black to hot.

Bridge Pickup:
Tie Black and Green together.
Send White to ground and Red to hot

To engage the coil splits, attach the tied wires to one side of the switch and the ground on the other so when it is switched on it sends the tied wires to ground.