Adding Interior Lights To Cargo Trailer. To make this oem will I need to change trailer wiring to 7 way wiring so that when I activate my truck lights when hooked up the trailer lights will activate also. If your light fixture has a switch on the fixture as well as being controlled by a wall switch both those switches must be on.
You can use a switched light such as Optronics LED RV Interior Light RVILL33. If your light fixture has a switch on the fixture as well as being controlled by a wall switch both those switches must be on. Your super-insulated trailer conversion will be warm inside without expensive heating systems.
If dont add the battery then you will only be able to run the interior light when connected to the truck.
Wiring diagram for cargo trailer interior lights. To do this you would tap into the brown wire on the trailer harness. The wiring for the light will need to be connected directly to this battery via a switch that you can get at a hardware store if the light does not already have a switch. A wide variety of cargo trailer interior lights options are available to you.