What Circuit Does Boat Trailer with Surge Brakes Need Active so that it Can Reverse

Question

Question:

I have been having trouble with the 7-Pin Connector on my Four Winns boat trailer, so I decided to plug into my 2008 Ford Explorers already installed 4 pin plug. Everything works, but now I see that the boat trailers has a blue wire that I am pretty sure that I need to attached for the trailer brakes. Can I just plug the 7-pin Connector in with only the blue wire attached leaving the remaining 4 pin plug unplugged? I would use the alternative 4 pin plug on my Explorer and just go ahead and plug in the 7-pin connector. Thanks. P.S. It is a Kodiak brake system for my 18 foot Four Winns speedboat.

asked by: Gary S

0

Expert Reply:

You actually need the reverse light circuit active on your trailer wiring so that your surge brakes can be temporarily deactived when backing up.

So what you'd need is a 4-way to 7-way adapter # 37185 and you'd need to connect the purple wire to the reverse light circuit on your tow vehicle.

expert reply by: Jameson C

0

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Answer 1

Yes, the etrailer Surge Brake Coupler Lock #e98888 will allow you to lock the Dexter DX7.5L A-60 Brake Actuator #DX56FR to your 2" hitch ball. We also have the Blue Ox Hitch Receiver and Coupler Latch Lock Set #BLU36XR if you want a matching…

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Answer 2

If the solenoid is getting a full 12 volts and is grounding properly it should be shutting all the way. Since you said it is clicking that makes it sound like it's getting power. You could try improving the ground circuit but most likely…

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Answer 3

Hello Gregg, I think I can help shed some light on what is going on. Basically, there are two ways to stop surge brakes from actuating when backing up the trailer. The first and most popular way to do this is to use a surge brake actuator with a…

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Answer 4

Since you have a 7-way, there is one brake controller that you just have to plug in and no other wiring is needed, the Curt Echo Wireless Brake Controller #C51180.

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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

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

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 8

If you just need a 4-pin to 7-pin trailer wiring adapter, then you can use part #C57672. This will plug into the 4-pin trailer connector on your brother's vehicle and give him the 7-pin socket for the trailer. Keep in mind, this will only give…

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Answer 9

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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Answer 10

I will be happy to clear up the confusion for you. The Curt Trailer Hitch Receiver item #C22HR you referenced and the Draw-Tite Max-Frame Trailer Hitch Receiver item #DT42MR will only accommodate the 18" spare on your 2022 Acura MDX. These are…

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Answer 11

The Acura MDX is the 'sister' vehicle to the Honda Pilot. The MDX and Pilot typically don't have problems with the hitch interfering with the liftgate sensors. I believe you're thinking about the RDX/Honda CR-V which frequently has an…

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What Circuit Does Boat Trailer with Surge Brakes Need Active so that it Can Reverse

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