Thank you for choosing Gunstreet. below is the instructions for a Modern Wiring to be installed in your Les Paul.
Solder the Wire labeled "O" to the section labeled "0" on the switch diagram above
Solder the Wire labeled "N" to the Right Lug Labeled "N" on the switch diagram above
Solder the Wire labeled "B" to the Left Lug Labeled "B" on the switch diagram above
Solder the Black Wire with no label to the Middle single Lug Labeled "G" on the switch diagram above
PIckup name Key H1=Hot Output G1=Ground
Bridge Volume: Bridge Pickup Install-Part 1
Solder the Hot Pickup wire to the First Lug on the potentiometer. See diagram on the left. If not sure which wire is hot please refer to your pickups manufacturers instructions
Bridge Volume: Bridge Pickup Install-Part 2
Next, Solder the pickups Ground to the casing of the Volume Pot.
Repeat these steps for the Neck Volume
Grounding the Harness
Solder the Ground Wire coming from your guitar bridge to the casing of any pot. In this case the Neck Volume was the Closest