How to Wire a Trailer With Lights & Brakes . Small trailers must be equipped with lights. Many also have electric brakes. Wiring to these lights and brakes can become cracked and brittle and need replacement. Parts are available online or at local trailer supply stores to install or upgrade the wiring on your trailer, allowing you to do it yourself. itstillruns.com
Robot Check. www.amazon.com
Trailer Wiring Care . Depending on the complexity of the trailer's lights and other equipment, the wiring harness from the towing vehicle to the trailer might comprise anywhere between four and seven connectors. www.boatus.com
