Les Paul Wiring Harness: ThroBak 50's style Wiring Kit for ThroBak 50's style Les Paul wiring harnesses use vintage spec., audio taper, 500K CTS pots for both volume and tone controls. These harnesses are the perfect complement to ThroBak P.A.F. reproduction pickups and the player wanting the full treble response from their guitar.4.3/5(3) WIRING HARNESS Les Paul 50's - Arty's Custom Guitars Les Paul 50's Wiring Harness with Bumblebee Caps This wiring was used in the first Les Pauls until the end of the fifties. Below you can find a summary of the differences between 50's and Modern Wiring. The kit is suitable for humbuckers as well as P-90 pickups.