If you're looking from the body, down the neck, towards the headstock, turning the truss rod left will release some of the tension, which adds relief...
With less tension on the neck pulling it forward, you don't have enough relief so you're getting buzzing. (I have one tune I play in C- same deal.) ...
The EVH/Axis pickups were available in black, for the Sport model. (I have a set- as well as the chrome covered versions ... you can buy them second...
It's certainly doable, though it's less complicated if you use the north coil of the bridge (furthest away from the bridge) when split in position 1,...
How long do you have ... ha ha ha ... I've probably re-wired mine dozens of times, including a piezo and preamp at one point. (Though I'm now back to...