Can 4-Way Trailer Wiring have 7 Wires Ran to It

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Question:

Help I have a Karavan watercraft trailer 2005. I am looking for trailer end connector 4 pole flat with seven with 7 wires??

asked by: S

0

Expert Reply:

Sounds like each of the taillight circuits on your 4-way have a two wires ran to them for each side of the trailers wiring. This is pretty common and what you can do is wire the two wires of each pin to the single wires of a new 4-way like the # W787264. That will allow all of the same circuits to get the same signal.

expert reply by: Jameson C

0

B

5/18/2024

I just had the 4 pin connector break on my boat trailer. It also has 7 wires. Looking at it, each wire enters the connector separately, so I can tell which wires would get spliced together. Is there a common wire pattern or somewhere to find a wiring diagram?

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Jameson C.

5/20/2024

@B Hopefully the wire colors are different and they use the standard wiring colors for 4-ways where white is ground, brown is taillight, green is right turn/stop, and yellow is left turn/stop.

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B

5/20/2024

@JamesonC yes those are the colors. It’s like a set of solid colors and then a set striped. So I’ll just match the colors and hope they followed that standard. Thank you.

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Tom

8/21/2024

@JamesonC I have an older Wesbar 4 pin connector on my boat trailer that also has seven wires, But there are two white wires, one green wire, one yellow wire, one brown wire with a white stripe, one brown wire with a green stripe, and one brown wire with a yellow stripe. Some wires are stripped near the four prong connector so How do I rewire those seven wires to a four wire connector?

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See All (8) Replies to B ∨

Answer 1

It sounds like the wiring harness you have is what is called a wishbone harness. These will have 2 wires that connect to the single running light pin, so you don't have to run a jumper wire from one side of the trailer to the other. It also…

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Answer 2

Since you have six wires it sounds to me like you have a double ground and a left and a right side tail light wire. If this is the case you could use a wishbone harness like the 20 ft. Wishbone 4-Way Trailer Wiring Harness with 30" Ground Wire,…

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Answer 3

Since this is on a boat trailer the 2 additional white ground wires are ground for the lights. This is fairly common on aluminum frames and boat trailers in general because aluminum is a poor metal for grounds and lights grounded near the tail lights…

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Answer 4

It sounds like your trailer had a wishbone harness and/or could have multiple ground wires. On a 4-Way trailer end, the one covered pin is the ground. Next to that is the running light pin. The running light pin on some connectors will have more than…

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Answer 5

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only give…

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Answer 6

The OEM prep package consists of 4 "pucks" in the bed of the truck that will allow you to drop in puck style hitches for easy installation and removal, that gives you a completely clear bed when not in use. The B&W Companion OEM 5th…

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Answer 7

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

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Answer 8

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

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Answer 9

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

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Answer 10

Hey Matt, we have what you need but the part #ACM150 only comes with the top portion of the system so it would not be correct. You'd instead want the part #ADV32SR if you have a ductless system or the part #ADV92SR if you have a ducted system and…

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Answer 11

It sounds like you are speaking of the wires for the brake magnets. If this is correct, you will need to connect one of the wires to the brake controller output wire on your trailer connector and the other wire will need to be grounded to a clean…

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Answer 12

Advent Air Conditioners like part #ACM135 come with a connector that pairs up directly with the standard 6-wire connector. If you have a 9-wire connector then you need the kit #ACRG15 as well. For wiring I'm attaching some photos of diagrams for…

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Can 4-Way Trailer Wiring have 7 Wires Ran to It

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