Wiring Kit to Charge Trailer Battery that Powers Winch on Car Hauler

Question

Question:

How do I hook the battery for the winch on my car trailer to the tow vehicle to keep the battery charged? Does the battery need to be grounded to the frame of the trailer before running a wire to the positive terminal from the 7 pin connector?

asked by: Chris H

0

Expert Reply:

Since winches draw quite a bit of amperage you'll need a winch wiring kit that uses heavy gauge wires to keep your trailer battery charged. On the trailer side you'd want the 7-1/2 foot long wiring kit part # BDW20347 which uses 1 gauge wire and then on the vehicle side the # BDW20348 which is 24 feet and would run all the way up to the vehicle battery.

The wiring of the battery and the winch does not need to run to the frame of the trailer.

expert reply by: Jameson C

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Answer 1

Yes, you can wire your winch to run off of the truck battery. I have included a link to a help article that explains the methods you can use to wire the winch. You will want the section titled Wiring a Trailer-Mounted Winch and option 1. I have…

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Answer 2

The Superwinch Talon Series Off-Road Winch is a very nice winch that as you stated draws 345 amps at the 14,000 lb line pull. In order to give you the best option we have, I recommend the Bulldog Winch Rear Wiring Kit - Quick Connect to Terminal End…

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Answer 3

The 12 volt accessory circuit of a 7-way can really only put a maintenance charge on a trailer battery that's large enough to power a winch and lights. What I would recommend is keep the breakaway battery charge setup through the 7-way since…

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Answer 4

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 5

You will have to go with a sliding hitch to allow the trailer to make tight turns. For a trailer 8 feet wide the only bed length that's going to allow 90 degree turns without a slider is a stationary hitch. That being said you have two options.…

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Answer 6

According to Solara (Lippert), the correct number of turns to set the proper tension of their slide toppers like #LCV000163285 is between 12 to 16 turns, so I'd consider 14 to be a pretty good happy medium.

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Answer 7

I recommend using a Winch #SW39GR with the Hitch Mount #BDW20011. This way you only need a 2" receiver which is typically already on the rear of most trucks and are available for the front. For your tilt trailer you can weld on a Receiver…

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Answer 8

In order to find the correct size wire for a winch you'll need to know the amp rating. The Bulldog Winch Trailer Winch part #BDW10040 for example which has a 12,000 lb capacity and can pull anywhere from 65 - 400 amps depending on the load. It…

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Answer 9

Dexter axles are the industry leader in terms of overall quality. They are made in the USA and if you look around online or talk to people in the RVing community they general consensus is the Dexter axles are just better made overall and will be more…

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Answer 10

The colors of the wires used for wiring up a trailer can vary widely among trailer manufacturers. Especially on a trailer as old as yours where someone could have rewired the connector with whatever wire was convenient. To determine the function of…

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Answer 11

If the winch you are using has a 360 amp power draw I recommend using the heavier-duty quick-connect set. I called my contact at Bulldog and they told me that the correct quick connect kit for your winch with that 360-amp draw is part #BDW20172. This…

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Answer 12

We have just what you need with a winch wiring kit like the 1 gauge part #BDW20348 which comes with wiring designed for applications like yours that can carry much higher amperage than a 7-way. I attached a review video for this kit for you to check…

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Wiring Kit to Charge Trailer Battery that Powers Winch on Car Hauler

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