Trailer light connection...

[supawabb]

I am installing trailer lights onto a trailer which currently does not have any lights on it.

Each light has a brake, turn signal and back up light with 5 wires. Wires are:
Yellow - Turn signal
Red - Brake
White - Back up (reverse)
Black - Ground
Green - To tail light (power?)

The 4runner has two plug options, the 4 pin and the 7 pin.

Anyone have any idea how to wire this? Draw a diagram and post it?

Appreciate any help!

 

[4Reak Show]

Most trailers combine the turn and brake into a single, multi-use filament. So a standard 7-way is

12v battery power
Ground
Trailer electric brake control
Left turn/brake
Right turn/brake
Reverse
Tail/running lights

And a 4-way:
Ground
Tail/running lights
Left turn/brake
Right turn/brake

A Toyota is how you describe your trailer: a seperate turn signal bulb from the brake bulb. And when wiring up a trailer light connector to a Toyota that doesn’t have it from factory, there’s a special box you buy to convert the different bulbs for turn signal and brakes into a single output. So what’s funny is that you would need like a reverse style one of those magic boxes. Not sure if that exists.

I would forego all that and just combine the brake and turn trigger wires on the trailer. That’s the simplest way to do it. The pins on the 4Runner’s 4-way and 7-way both use the turn signals as the trailer’s brake lights. So even if you ran your own seperate trigger wire for brake lights off the brake pedal let’s say, (which is ridiculous) the trailer would still illuminate its brake lights AND turn signals anyway.

 

[Ascole]

Wire color is a little different on your lights but you should get the general idea with included diagram. Unless you have trailer brakes, you’ll use the 4 pin

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