Looking for a way to wire you Humbuckers with a split Coil, Guitar Templates has illustrated the following

Dual Humbuckers with a 3 way split, split coils on 1 x Volume and 1 x Tone potentiometers.

We have provided you with the following links to the parts you can use.

 Dual Humbuckers with Split Coils 1 Volume, 1 Tone and 3 way switch diagram