Telecaster Wiring Harnesses – 920D Custom This Telecaster wiring harness is designed to fit guitars with a rear route and two humbucker pickups . It also has a Bourns push-pull pot in the tone position to split the humbucker pickups. The harness comes pre-assembled in our 920D Custom Shop. Features: 2 - Chrome Knurled Flat Knobs 1 - CTS 500K Long Shaft Pot (3/4") 1 -.. Telecaster Wiring Harnesses - Mojotone Telecaster Wiring Harnesses. Items. Item List. Pre-Wired Tele Standard Guitar Wiring Harness Z4T3W121. 5 (1) $69. per Piece 1.2 lb. Qty: Pre-Wired Tele Deluxe Guitar Wiring Harness (Straight Switch) Z472T132 $109. per Piece 1.2 lb. Qty: Pre-Wired Tele Deluxe Guitar Wiring Harness (L-Switch) Z472T134 $109.