4 Wire Trailer Plug. Need a longer wiring harness between you car and trailer? I used a long straight pick to lift the catches to removed the blades and Anyway, once all of this is done, the kit is a "plug-in simple" (Hopkin's saying) for the LC and adding a four wire trailer connector requires no.
This is an important safety feature when towing a. Trailer connectors meet or exceed OEM and SAE standards for trailer wiring. Basically, this means that if you indicate left in your car, the trailers left indicator will also blink simultaneously.
If you are towing a trailer then you will need a trailer plug to ensure the trailer light wiring is connected to your cars electronic signals.
If OK then reconnect trailer plug and after removing cover, check the trailer plug where the brake light wire is screwed into it.
The one problem with most of these kits and prewired installations is that they leave the truck wiring and electrical components vulnerable. Single Pole Trailer Plug - Ideal for almost all heavy-duty high power applications. Plug-and-play wiring harness features an isolator module with a fused, separate circuit from battery positive to power the trailer lighting; works through built-in relays and prevent overloading of factory-lighting circuit.