Probably a really simple answer to this... So I'll be wiring up a HSH setup once I get my parts, the Single Coil is a Vintage Hot Stack which has 3 conductor wires (black, white and red for tapping). The setup I'm going for is essentially this image:

My question is, what do I do with the red cable from the Single Coil? Do I tape it up, ground it? Or can it be used in the push pull system somehow?

My question is, what do I do with the red cable from the Single Coil? Do I tape it up, ground it? Or can it be used in the push pull system somehow?