How Does Trailer Breakaway Battery Wire to Trailer with Aux Battery

Question

Question:

Hello I have a trailer with a battery that I use for a 12k winch and I was wondering how do I wire up a breakaway kit with the already existing battery on the trailer

asked by: Leo

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Expert Reply:

Basically you'll be wiring the 12 volt accessory circuit you have now that is charging the current battery also to the breakaway battery so that the charge circuit charges both batteries. Aside from that you'd wire up the breakaway like the Bright Way part # 3802336 the same way as it was designed to be wired. I attached a help article on trailer breakaway systems for you to check out as well.

expert reply by: Jameson C

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Answer 1

A breakaway kit can be wired in one of two ways to the trailer brake system. The first way would be to use the Engager Trailer BreakAway Kit with Charger and Tester, item #20099 , and splice off of the power wire that maintains the trailer's…

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Answer 2

In order to know exactly what brakes/hub + drums you need, we need to know how many lugs you have on your Axis axle, but we also need to know the distance between the lugs. The most common setup for a 5-lug axle is a 5 on 4-1/2 inch. I went ahead and…

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Answer 3

You technically can run one hot lead from the battery and split it out before the circuit breakers and it will work. I prefer to use the separate wires like #12-2-1 just to keep from splicing an additional time. Basically you would be taking the…

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Answer 4

If you already have a breakaway switch and trying to find its power source, It is possible that someone could have wired the breakaway switch directly to the main battery on the trailer but it does not come like that from the factory. The breakaway…

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Answer 5

If your trailer has 7 wires running all the way back to the brakes, then yes, you can tap into the existing wiring. Each of your new brakes will have two wires for the brake magnet. One wire is for 12 volt power to the brake magnets and the other…

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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

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 8

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 9

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 10

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 11

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 12

First you will need to remove the old hydraulic equipment. Remove the surge coupler or actuator, remove all the lines, and finally remove the brake assemblies. If you have 10 inch diameter hub and drums, you may need to replace those as well. If you…

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How Does Trailer Breakaway Battery Wire to Trailer with Aux Battery

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