Where do Trailer Wire Colors Green, Yellow, Brown and Red Run To

Question

Question:

I have 4 wires coming from trailer green-yellow-brown-red . Coming from truck are white-brown-yellow-green. What goes to what?

asked by: Walter M

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Expert Reply:

Most likely the colors would match with the exception of the red wire on the trailer going to the white wire on the truck. The white wire is the ground circuit so you can trace the RED wire on the TRAILER to see if it attaches to a metal surface on the trailer or to the grounds of all the lights.

I attached a help article on trailer wiring for you to check out as well.

expert reply by: Jameson C

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Answer 1

The three most common lug stud sizes for a trailer are 1/2"-20, 9/16"-18, and 5/8"-18. In order to make sure you get the correct lug nuts you need to measure the lug studs on the trailer now as we have no way to look this up for…

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Answer 2

On a 4-Way flat trailer wiring harness, white is the ground, brown is running lights, yellow is left turn signal and green is right turn signal. It sounds like your trailer has a wishbone harness. A wishbone harness splits the running light circuit…

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Answer 3

The connector should be located underneath the dash to the left of the steering column. It may be taped to another wire and tucked up and out of the way. I have linked a video installation of brake controller being installed on a 2007 Toyota Tundra…

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Answer 4

I would be happy to help you find the correct tires for your new to you 1994 Coleman Destiny Cedar XL. Since the distance between the adjacent holes in your wheels measured 2-3/4" apart, you are correct that you have the 5 on 4-3/4" bolt…

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Answer 5

The red wire is the turn signal wire and will be run to the green wire of your harness if its the right turn signal side, and the black wire will run to the brown wire of your harness. The yellow wire from your harness will run to the left turn…

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Answer 6

A 5.30x12 tire such as part #AM10064 is around 21.7" diameter x 5.3" wide whereas a 5.70x8 tire such as part #AM10013 is around 18.1" diameter x 5.7" wide. Therefore, the new tire will be 3.6" taller x .5" narrower than…

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Answer 7

I recommend the Kenda 205/65-10 Bias Trailer Tire with 10" White Wheel #AM3H390 for your 1994 Coleman Pioneer Arcadia. The 205/65-10 is the current size tire that replaced the 20.5x8-10 you have on your Coleman. The wheel uses the 5 on…

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Answer 8

To select a set of replacement idler hubs for your Fleetwood Destiny trailer you want to match up a few characteristics from your originals. These include the axle weight capacity, wheel bolt pattern and the bearing set used in the hubs. A…

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Answer 9

Your best option is going to be to use the wiring diagram I attached for 6-ways to identify the functions of the wires from the picture you sent in and then wire them according to the labelled pins on the new 7-way similar to the #HM48502 and…

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Answer 10

Going by the colors that you mentioned, it sounds like you have the typical set-up, green wire for right turn and brake, white wire for ground, yellow wire for left turn and brake, brown with green wire for right side running lights, and brown with…

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Answer 11

Your current wheel and tire size has an overall diameter of 18.1 inches. The size you are looking at, 5.30-12, has a diameter of 21.9 inches. If you have the room for the additional tire size and you get the correct wheel bolt pattern then what you…

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Answer 12

While we do not carry the 4-way kit part number 62990 I can tell you how it wires up. Basically the harness is a wishbone 4-way which has two wires for the running light circuit. One for each side of the trailer. The red wire goes to one side of the…

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Where do Trailer Wire Colors Green, Yellow, Brown and Red Run To

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