This is accomplished by tapping into the tow vehicles electrical harness to transfer power to the trailer wiring system. They will combine the brake wiring and the turn signal wiring so they will work.
Advanced Relay Tutorial Turn Signal Integrated Brake Or Parking Lights Example 4
How to wire brake lights and turn signals together. You can get them at places like napa or here. Law trailer lighting must be connected into the tow vehicles wiring system to provide trailer running lights turn signals and brake lights. That way the flasher will not be in the circuit for the brake light switch. For the circuits affected by the relay pack it might be useful to use connections that allow for the wiring to be reverted to stock configuration. Just have the brake switch switch positive to both signal lights in a separate positive circuit. Visit howstuffworks to check out this brake light wiring diagram.
I have included a link to a video review of this converter for you. Connectors are used between the two to allow disengagement when not towing. All youre worried about is the brake and turn signal wires. A quick and cheap way that works just as good is a tail light wiring converter for trailers. Simple wiring help brake lights running lights turn signal your signal wiring is correct. What the relays do is make it possible for the bright filament to act as both brake light and turn signal while the dim filament works as a running light.
Brake light wiring diagram this brake light wiring diagram gives you a clear picture of where each wire goes. This means the turn signals and brake lights are on the same circuits. Ground the white wire to the trailer frame. On the 7 way wiring locate the wire for the left turn and brake and attach it to the yellow wire on the converter input side. Some have the tail light wire running through them 4 wire into 3 wire and some dont 3 wire into 2 wire. On the output side that will go to the trailer lights you will have the yellow wire which will now be left turn only the green wire for right turn only and a red wire for brake lights only.
It doesnt make any difference as the tail light wiring isnt affected. They look like this. Connect the wire from right turn and stop to the green wire input side. In order to get your light bars with separate turn signals and brake lights to function you just need to separate out those circuits on the vehicle using a converter such as c56196.
Gallery of How To Wire Brake Lights And Turn Signals Together
