4 Pin Trailer Wiring Harness Installation. In this video we go over how easy and fast it is to. Wiring lights and harness on the trailer using a common 4 pin setup. Suzco 36 ft 4 wire 4 flat trailer light wiring harness extension kit custom made 28 male 8 female with 4 white ground wire 4 way plug 4 pin male female extension wishbone style sae j1128 4 6 out of 5 stars 52.
Complete with a color coded trailer wiring diagram for each plug type this guide walks through various trailer wiring installation solution including custom wiring splice in wiring and replacement wiring. Wiring lights and harness on the trailer using a common 4 pin setup. Included in the video is two or three wiring diagrams. Quickly and easily install a 7 way and a 4 way trailer connector on your vehicle with this custom harness connector plugs directly into oem tow package wiring harness no cutting splicing.
Using the following information and testing procedures you should be able to locate and eliminate the most common issues encountered during or following a 4 or 5 way wiring harness installation and get back on the road as soon as possible.
Drill a small pilot hole into the frame and attach your ground wire with a stainless steel screw. Strip the wire end back about a 1 2 inch and insert it into a terminal with a heat shrink tube. Custom wiring harness and installation instructions 1 dust cap for 4 way flat connector cable ties and terminal grease packet 1 dust cover cable ties grease packet ground screw power wire lead and fuse assembly 1. Quickly and easily install a 7 way and a 4 way trailer connector on your vehicle with this custom harness connector plugs directly into oem tow package wiring harness no cutting splicing. Strip both ends and fix them.