6 Pin Wiring Harness | etrailer Quickly and easily install a 6-way trailer connector on your vehicle with this custom harness.T-connector plugs directly into OEM tow package wiring harness - no cutting, splicing or tapping to activate functions Comes with protective cover for 6-way connector Limited 1-year warranty Installation This custom-fit T-connector plugs into your vehicle's factory tow package wiring harness, which 6 pin trailer wiring harness | eBay Find great deals on eBay for 6 pin trailer wiring harness. Shop with confidence. Skip to main content. eBay Logo: 6m Replacement Trailer Wiring Loom Harness 13Pin Plug AJBA Plugs 6 Pin See more like this. 6m Replacement Trailer Wiring Loom Harness 13Pin Plug AJBA Plugs 6 Pin. Brand New. $61. From United Kingdom.