If you are using both the P-94T and P-94R together, use the black lead on one position, and the white lead for the other. This will give you hum-cancelling operation when both pickups are in use.
GIBSON PICKUP WIRING DIAGRAM P94R AND P94T
If you are using both the P-94T and P-94R together, use the black lead on one position, and the white lead for the other. This will give you hum-cancelling operation when both pickups are in use.