Will The Blue Ox Replacement 4-Pole Socket Fit 10 Gauge Wire

Question

Question:

The BLU63XR, 4-way round trailer plug. Will this accept 10 gage wire?? Both male and female ends.

asked by: Don S

0

Expert Reply:

Hey Don,

I just got my hands on the Replacement 4-Wire Plug for Blue Ox Coiled Electrical Cord # BLU63XR and found that it will accept 10 gauge wire. That being said, it typically uses 16 gauge wire for the light functions and 12 gauge wire for the ground.

expert reply by: Kevin C

0

Jerred H.

1/12/2026

Hey Don, how did things go with the 4-way round plug and the 10-gauge wire? Did the connection fit the way you needed? Your update could make it easier for the next person working with this plug.

Answer 1

When looking at the front of the socket of the #BLU63XR, wire the 4-way round socket as follows - Top Left - Left stop/turn, yellow wire Top Right - Right stop/turn, green wire Bottom Left - Ground, white wire Bottom Right - Tail Lights, brown wire I…

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Answer 2

That's correct. The Blue Ox #BX88254 Coiled Electrical Cord does included a 4-pole round connector. You can simply cut off the 4-pole flat on the Hopkins wiring harness and replace it with the 4-pole round connector. If you use the Blue Ox…

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Answer 3

The Blue Ox 7-Wire to 4-Wire, Coiled Electrical Cord #BX88254 will work with your current setup if you are wanting to replace your current wiring. I do have a way for you to accurately recommend all of your current wiring as well if that was your…

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Answer 4

There is not an industry standard layout for wiring the 4-Way round pin connector, but there is a layout that is most accepted. If you you are looking at the front side of the 4-Way round trailer side plug, the top left prong would be used for right…

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Answer 5

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 6

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 7

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 8

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 9

Since wire color codes are NOT universal, we always recommend wiring by function, rather than wire color. If you look at the Trailer Wiring FAQ article I have linked you to, you can see some diagrams showing the proper way to wire a vehicle and…

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Answer 10

That's a very good question, we tend to be extra cautious and say to use 10 gauge wire because that would be more than enough. When you get into longer trailers that will end up using a lot of wire the heavier gauge wire becomes more necessary.…

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Will The Blue Ox Replacement 4-Pole Socket Fit 10 Gauge Wire

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