Kwikplug Premium Harness - LP Harness "P90" 330K pots Kwikplug Premium Harness - LP Harness P90 330K pots, Braided Metal Cabling, f Purple Polypro Cap-PREMIUM- The Classic LP Style harness- PRE-SOLDERED and a complete PLUG-In when using ANY of our Kwikplug Equipped pickups. We have used the BEST p90 wiring harness | eBay www›Search›p90 wiring harnessFind great deals on eBay for p90 wiring harness. Shop with confidence. Skip to main content. eBay Logo: Shop by category. Shop by category. Enter your search keyword 1959 Les Paul Jr. Dog Ear P90 Pickup and Wiring Harness. $500. Time left 1d 19h left. 0 bids. or Best Offer +$10 shipping.