7-Way Adapter Recommendation to Go From Semi Truck 7-Way to RV 7-Way

Question

Question:

Indeed an adapter that is a 7 way female round. Going to a 7 way. RV style female. . My rv. Has. Male. 7 way. Blade. And semi truck has. Male. 7 way. Pin. .. is there such an animal??..

asked by: Marc S

0

Expert Reply:

The part # HM47425 is designed to plug into a 7-way round connector like what your semi-truck has and provide you with a 7-way blade type connector for your RV 7-way.

expert reply by: Jameson C

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Answer 1

It sounds like you are trying to go from a 7-pole to a 7-blade trailer connector. If the 7-pole is on the vehicle and the 7-blade is on the trailer then you can use the Pollak Trailer Connector Adapter part #HM47425.

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Answer 2

Attached are some photos of the typical wiring functions for truck and trailer 7-Way blade connectors, like parts #PK11893 and #PK12706. If you typical pull a trailer that has a 7-Way connector then you want to follow the pin out diagrams I…

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Answer 3

Hello Juan, thanks for reaching out. There are a number of factors involved when converting a semi 7-way to an RV 7-way. Semis generally use a 7-pin round pin socket, similar to #PK11720. And RV style 7-way uses blades, like #PK12706. We do not offer…

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Answer 4

You will first need to make sure that the new tail lights are wired the same as the old ones. There are basically 2 types of wiring systems. First there is a 2-wire system that has combined turn signals and brake lights on the same circuit/bulb. And…

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Answer 5

The best way for you to connect a 7-Way RV trailer connector to your Semi is by installing an RV-Style 7-Way socket, and for that I recommend the Pollak 7-Pole, RV-Style Trailer Connector Socket #PK11898. We do have some adapters on our site but…

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Answer 6

It's a wire color difference but not a function difference on the pins of the 7-way. The difference comes from the fact that the two different styles are representative of two different areas that uses trailers. Traditional is usually seen on…

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Answer 7

There isn't a plug-in style adapter for your application since the semi trucks have their brake lights separate from their turn signals. So what you'd want to do is install a 4-way first on the semi with the part #119190KIT and then convert…

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Answer 8

If you are wanting to combine the brake light and turn signal circuits on the tow vehicle side trailer connector you can pretty much use any converter for that including #HM48925. On the input side the green wire will go to the right turn signal,…

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Answer 9

Either way is correct. It depends on if you want to keep the semi-style 7-Way (if you need to tow that type of trailer) or if you will never be towing a semi-trailer. If you need to keep the 7-Way semi active on the truck, then you would need to make…

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Answer 10

I am not aware of any adapter on the recreational towing market that will convert a semi truck connector to an RV style connector, but we do carry the necessary parts to equip your tractor to tow a fifth wheel trailer using the following parts: -Tail…

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Answer 11

If the trailer is one that is pulled by a motorcycle or a trailer designed to carry a motorcycle, you will need a converter in order to convert the wiring system used by the 6-Way to a 2 wire system used by trailer lights. The converter you can use…

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Answer 12

I do have a potential option for you, but we do not have any kind of custom fit wiring harness that will connect to the plug in your picture. Since there isn't an adapter to go from a semi 7-Way to an RV 7-Way the best solution is going to be to…

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7-Way Adapter Recommendation to Go From Semi Truck 7-Way to RV 7-Way

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