Wiring for specific setup?

I need a wiring diagram for the pickup setup i want. I have a fender vintera p bass, and i want to add a neck humbucker. Basically the "billy sheehan" setup, but I dont want to do 2 outputs if i dont have to. I want tone and volume control for each pickup, and i want them to both go to the same output. My peavey grind has that wiring setup, but i dont know if i can just copy that considering it has different pickups than the ones im trying to hook up. The humbucker i have is the dimarzio relentless. I was gonna get a yamaha attitude 3 until i discovered that the middle pickup doesnt have tone control. So im building a perfect blend of what i want. Any links or descriptions are very much appreciated. Thank you very much to all who help me.
 
Peavey Grind wiring is what you want. Even the 500k pots are what is recommended for relentless. Grind uses 0.047uf caps. Should work as well.
 
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