Why Does Trailer 5-Way part # A25W5B Have 6 Wires

Question

Question:

Why is there 6 wires in plug on a 5 pin plug

asked by: Glen

0

Expert Reply:

There are 6 wires on the 25 Ft 5-Way Trailer Wiring Harness # A25W5B that you referenced because this has a wishboned running light circuit which means it has a wire to run to either side of the trailer's running light circuit. So it still has the 5 standard circuit of a 5-way but just has two wires you can use for the running light circuit.

expert reply by: Jameson C

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Answer 1

The problem you are having is a classic ground issue. If the ground wire to the trailer frame or the tail light grounds are not connected securely to clean, rust and paint free surfaces then when the headlights are turned the extra amperage draw…

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Answer 2

First, you would want to use 2 of these because otherwise the light would blink with either turn signal. What you you would do is take a trailer side 4-Way, #A35W42B, and attach the lights wires to it as follows: On the driver side you will attach…

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Answer 3

The blue wire on the Optronics 25ft Wishbone 5-Way Trailer Harness, #A25W5B, is a 20 gauge wire.

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Answer 4

If the running lights and flashers are working on all the lights then it is not likely a problem with one diode. To determine what the problem might be you can do a little testing. Using a separate 12 volt battery you can connect the light directly…

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Answer 5

When wiring a 7-Way on your trailer with 5 wires, your green wire will be right turn/brake, the yellow wire will be left turn/brake, the brown wire will be the taillights, and the white wire will be the ground. You will want to find out if the blue…

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Answer 6

You will first want to check the fuses on your tow vehicle. Some vehicles could have fuses for operating the turn signals and brake lights of a towing package. You will want to check if they are installed and working properly. The next thing is to…

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Answer 7

The brown (running light) wires all run to each other as they carry the same circuit. The reason there is two browns on the trailer side is because there are running lights that are on both sides of the trailer. Aside from that all the rest of the…

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Answer 8

It is possible to re-pin an adapter like #HM47570, but it would be much easier to add a 7-Way trailer connector to the trailer side and wire it accordingly to function with your reverse lockout. You can use Pollak Black Plastic, 7-Pole, RV-Style…

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Answer 9

It could be a tow package fuse on the vehicle. Use the owners manual to find the locations of fuses/relays related to the tow package wiring to check them and replace as needed. If the issue is not a fuse or relay then you can test the vehicle side…

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Answer 10

It sounds like the problem is in the wiring. If your light is a dual intensity light and both intensities are working with the running lights and brighter with the brake lights then the problem lies in the turn signal circuit most likely on your…

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Answer 11

You can run a jumper wire to T-off from the main running light wire to the side marker light using something like a quick splice connector, #SWC501915-1. Or you can use a butt connector, #05732-2. In one end, place the wire from the trailer…

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Why Does Trailer 5-Way part # A25W5B Have 6 Wires

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