How Does Wishbone 4-Way Wire to Trailer's 4-Way Wiring that has 7 Wires

Question

Question:

I have a PWC trailer whos 4 pin connector has been damaged and needs to be replaced. The trailer end connector has 7 wires going into its 4 pin connector. 2x white, black, brown, yellow brown, yellow and green brown. How would I go about replacing this connector with a new 4 pin? Thanks

asked by: scott

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Expert Reply:

The two white wires are the ground circuit which would run to the white wire of the # A20WB, the black wire has to be the right turn/stop signal although that color is typically solid green. The brown is a running light circuit that runs to clearance lights on the trailer, the yellow brown runs to the taillight assembly for the running light circuit, and green brown is the left turn/stop circuit. All of these run to either of the brown wires of the 4-way, and then the yellow is the left turn/stop circuit.

expert reply by: Jameson C

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Answer 1

On a 7-Way trailer connector such as #H20046 the 12 volt wire would connect to any accessory that would need 12 volt power such as a trailer mounted battery or a jack in some cases. You usually do not see them on boat trailers. If you don't have…

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Answer 2

In regards to a wishbone trailer wiring harness, the two brown wires are for the running lights. The reason that there are two is because there is one for each side. The green wire (green/brown) is for the right stop/turn signal circuit and the…

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Answer 3

I've linked a help article that will give you the common color coding but on your trailer I wouldn't go by it. Even if they are correct you just never know so I suggest testing it. To test it cut off the 5-way connector that's on there…

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Answer 4

You definitely could install the 7-Way Molded Trailer Wire Connector #H20046 in place of the 5-way that is installed on your trailer currently. The colors wouldn't match up exactly. White would go to white, you would run both brown wires to the…

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Answer 5

Yes, there is only one type of 7-way blade connector. I am attaching a help article about wiring that may be of interest to you.

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Answer 6

There are two color code standards that are used in the trailer world. The Hopkins 7-Way RV style connector and cable, #H20046, that you referenced uses the RV Industry standard color code which is as follows: White Wire - Ground Red Wire - Left…

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Answer 7

If you will be using the Hopkins Molded Trailer Wire Connector, #H20046, then the yellow wire will attach to the wire from your reverse lockout solenoid. The yellow wire is attached to the center pin on the connector and the center pin in the trailer…

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Answer 8

The diagram you attached shows a 7-way wired up in what is considered the "traditional way." If you check out the chart I attached you will see the three ways (really only 2), that a 7-way can be wired. The Featherlite is wired up like the…

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Answer 9

Yes, the 20 ft. 4-Way plus Wiring part #A20WB that you referenced will work great with LED trailer lights. There's no reason that it wouldn't work. This is a wishbone wiring kit for the running light circuit which means that the running light…

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Answer 10

Yes, we have exactly what you need. To replace the 5-way you have on your boat trailer with a 7-way you will want the part #H20042. I attached an install and review video for you to check out.

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Answer 11

The easiest way to test the functions of the taillight wiring on a trailer is to use a jumper wire. You will touch one end of the jumper wire to the positive post of a 12 volt vehicle battery and then touch the other end of the wire to all of the…

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Answer 12

I went out to the warehouse and grabbed a 7-Way Molded Trailer Wire Connector #H20046 to measure it for you. I used a set of digital calipers to get an accurate measurement. The diameter of the outer black sheath is 0.59 inches or 19/32 of an inch. A…

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