How to Wire Electric Trailer Brake Magnets to 12 Volt Brake Output and Ground

Question

Question:

Does it matter which wire of the 2 coming from the trailer brake magnet hooks to the blue wire on the trailer?

asked by: Kevin N

0

Expert Reply:

No, it does not matter which wire from the magnet is attached to power or ground. Just make sure one wire is properly grounded and the other wire is attached to the electric brake output circuit from the trailer connector.

I have linked a video that details replacement and wiring of a trailer brake magnet that should be helpful.

expert reply by: Robert G

0

Answer 1

As long as one of the wires coming from the back of the hub is a ground and the other is a power, it does not matter which wire on the magnet goes to which wire from the back of the hub. I have included a link to a video of a magnetic brake…

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Answer 2

If you are needing the hub and drum assembly then you will want to go with the Dexter Trailer Hub and Drum Assembly #8-201-5UC3-EZ but if you are just looking for an idler hub then you will want part #8-213-5UC1 instead. These come with the correct…

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Answer 3

I spoke with my contact at Redline and he said the Wheel Rim Clamp for Mobile Home Style Hubs #15-2 goes towards the hub. So the flat side of it goes up against the lug nut.

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Answer 4

The Hanger Kit #APT3HD is going to be the closest we have to your current hangers. This kit does have the same 2-1/2" front and rear hangers as the Kit #APT8 you found but it has the taller 5-7/16" center hangers which is very close to your…

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Answer 5

Suspension hangers like what come with the Hanger Kit part #APT3HD that you referenced are designed to be welded to the trailer. You would not want to bolt this kit to the frame of your trailer.

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Answer 6

It is not uncommon for the trailer hangers on a tandem axle trailer to be all the same size or for there to be different sizes that can be 1-1/2 to 2 inches different in height when you compare the center hanger to the front and rear. For example,…

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Answer 7

You'll need to do a full troubleshoot. With the trailer unplugged, use a voltmeter on the brake pin on the trailer connector while the manual brake switch is actuated. If you have a time delayed controller, you should also get voltage on that pin…

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Answer 8

It should be getting close to 12 volts if the power output is set to the maximum on the brake controller. Some brake controllers will not work properly if they are titled or turned to the side or if it has a leveler knob that is not level. Check…

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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

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 11

It sounds like you want a diagram of the wiring for your trailer and breakaway system. I am attaching an article with pictures about wiring trailers. I am also attaching an article with pictures on wiring a breakaway kit. I also recommend making the…

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Answer 12

When the LED light on the Curt Echo part #C51180 does not illuminate that means the brake controller is not getting power from the 12V pin or the ground is bad. On a 7-way trailer connector, the 12V power function does not need to be connected for…

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How to Wire Electric Trailer Brake Magnets to 12 Volt Brake Output and Ground

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