Can Trailer Brake Assemblies Ground at the Frame and the Connector

Question

Question:

I have seen 2 diagrams pertaining to trailer brake wiring… one diagram that shows 1 wire from the magnet getting grounded at the trailer, and the other diagram getting grounded back at the plug. I’m having to re-wire my brakes due to broken wires and the trailer is currently wired with all 4 brakes getting grounded at the plug… I didn’t know if I could just ground at the frame near the wheel or if I needed to go back to the plug like it is. Thanks

asked by: Brandon D

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Expert Reply:

You can definitely ground your trailer brake assemblies to your trailer frame. This will be just as effective and also will be a much easier install.

expert reply by: Jameson C

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Answer 1

Many states in the U.S. and provinces in Canada require break away kit. In order to determine the specifics for where you live and where you plan to travel, you can check with the state and federal departments of transportation for the area. Specific…

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Answer 2

For a hub that uses a 2.25-inch grease cap the Bearing Buddy to use will be either chrome set #BB2240 or stainless-steel set #BB2240SS. It is best to use a caliper when measuring the hub bore as this gives the most accurate dimensions. It is better…

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Answer 3

For your Dexter 9,000 pound axle, you will need the Inner Bearing #387A and Race #382A, along with the Outer Bearing #25580 and Race #25520. The correct oil seal should be part #10-51, which features a 2.875 inch inner diameter and 3.880 inch outer…

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Answer 4

Hey Chris, thanks for getting in touch. The plug in your picture is known as a 7-way round pin connector. If you are wanting to keep the wiring on the trailer as-is, and you just want to swap out the plug for a standard 7-blade, it will definitely be…

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Answer 5

Hey Zach, congrats on the new trailer! You can either look at the info sticker near the tongue of the trailer to find the weight ratings of each axle or, if you can't find that, there is a sticker in the middle of each axle showing what the…

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Answer 6

Are you looking for a wiring harness for the vehicle or the trailer? You normally wouldn't put a 4-way and a 7-way on the trailer as you'd pick one or the other based on if the trailer has brakes. Since yours is going to have brakes you'd…

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Answer 7

If you are referring to two white wires from the brake magnet that are coming from the rear of each electric brake assembly, then it would not matter which wire is connected to ground and which wire is used for the brake feed. The magnet that…

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Answer 8

Yes, 14 gauge wire seems too small. I would go with 10 or 12 gauge. For 10 gauge you can use #10-1-1 and for 12 gauge use #12-1-1. These wires are sold in increments of 1 foot. So if you needed 20 feet of wire you would enter 20 in the quantity box.…

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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

Electric brakes have 2 wires located at the back. One is for power and the other is for ground (it doesn't matter which is used for which function). The ground wires should be connected to the trailer frame. The only other place that would carry…

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Answer 11

Hey Jeff, thanks for reaching out! From the information you gave me, I'm pretty sure you have 3.5K axles on your trailer so you'll need the following: - etrailer Electric Trailer Brakes - Self-Adjusting #AKEBRK-35-SA (1 set per axle) -…

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Answer 12

The reason that 10 Gauge #10-1-1 or 12 Gauge #12-1-1 wire is recommended for 10" brake assemblies, like part #AKEBRK-35-SA, is because they pull more power than the lights on your trailer. I believe the green wire you are referring to carries…

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Can Trailer Brake Assemblies Ground at the Frame and the Connector

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