Hitch Wiring Bracket | etrailer T-connector plugs directly into OEM tow package wiring harness - no cutting or splicing vehicle's factory tow package wiring harness, which is located at the rear of your vehicle, slightly toward the driver's side. Once installation is complete, the connectors will be stowed beneath your. Custom Fit. Trailer Hitch Wiring. Hopkins. 4 Flat. 7 trailer hitch wiring bracket | eBay www›Search›trailer hitch wiring bracket21 product ratings - CURT TRAILER HITCH WIRING HARNESS OEM TO 4 / 7 WAY MULTI SOCKET w BRACKET 55774 $26 Trending at $29 Trending price is based on prices over last 90 days.