How to Make a 5-Way Round to 5-Way Flat Trailer Wiring Adapter

Question

Question:

I am looking for an adapter that converts the tow vehicles 5-way round round connector into a 5-way flat pin connector, similar to A75TB and A57WB The 5-pole round connector would be like this: PK11501 Thank you

asked by: Edward W

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Expert Reply:

We don't have an already assembled adapter for what you are looking for, but you can pretty easily make one with components that we sell.

For the 5-way round for your tow vehicle you would want the part # PK11501, for jacketed wire you would want the part # DW04906-1 which is sold by the foot. This is 6 wires so you would just not need to use one wire. We don't have 5 wires jacketed. Then for a 5-way flat connector that would connect to the 5-way on your trailer you would want the part # HM47900.

expert reply by: Jameson C

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Answer 1

The wiring configuration for the Pollack 5-Pole Round Pin Trailer Wiring Connector #PK11501 is as follows: Color - circuit: (position when looking at front of harness) White - Ground Return- 10 o'clock pin Green - Right Turn and Brake Lights-5…

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Answer 2

The Pollak 5-Pole, Round Pin Trailer Wiring Socket, Concealed Terminals part #PK11502 uses a standard five pin layout. I don't have the diameter of the pins but it will work with pretty much any five round trailer connector like the Pollak…

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Answer 3

Although there are no wiring diagrams available for the #PK11501, when looking at the front of the harness the 12 o'clock pin is the tail lights (brown wire) the 2 o'clock pin is the aux circuit (red), the 5 o'clock pin is the right…

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Answer 4

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 5

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 6

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 7

Yes, it will work. You'll just need to cut the Lance 6-pin connector out and rewire it into the etrailer Trailer Wiring 7-Way Upgrade Kit w/ Junction Box and RV Style Connector item #e99011. Here are the individual functions of that Lance 6-pin:…

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Answer 8

Hey Jonathon thank you so much for all of that additional information! To haul your bikes behind your class C Sprinter motorhome, while flat towing your Mini, I recommend the Hollywood Racks RV Rider Bike Rack item #HLY64FR and the Roadmaster Dual…

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Answer 9

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 10

According to Blue Ox, it'll take an experienced installer about 4 to 5 hours to complete the installation of their #BX1128 Base Plate Kit on a 2016 Jeep Grand Cherokee. The install isn't what I'd call super-difficult, but the installation…

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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

The 5.30-12 tires, being wider, are going to make more contact with the road. This means that the noise, and heat build up will be higher than a 4.80-12 tire but the rolling resistance will actually be less because the tire is larger diameter. The…

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How to Make a 5-Way Round to 5-Way Flat Trailer Wiring Adapter

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