Wiring Diagram to Use for Wiring Up Tandem Trailer Brakes

Question

Question:

I have a 2 axle trailer with brakes. Do you have a kit to re-wire it?

asked by: Doug O

0

Expert Reply:

Hey Doug, so we don't have a trailer brake wiring kit but we do have the correct wire gauge for trailer brakes with the part # 10-1-1 which is sold by the foot and 10 gauge. I attached a picture that shows how tandem axle brakes get wire up for you to check out as well.

expert reply by: Jameson C

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Trailer Brake Wiring Diagram
(click to enlarge)

Answer 1

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 2

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 3

Since the red light comes on with your Hopkins Engager Push-To-Test Trailer Breakaway Kit w/ Built-In Charger #20099 it means the battery does not have the proper charge, and thankfully this is very easy to remedy. All you have to do, as evidenced by…

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Answer 4

We've got the exact replacement breakaway system battery you're looking for. You'll need the Hopkins #HM20008. As you can see in the provided photo, the #HM20008 is a direct replacement.

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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

Both the Roadmaster and Blue Ox tow bars are great options. But if it was my decision to make I would go with the Blue Ox Avail part #BX7420 as we have found that the Blue Ox tow bars are a little easier to connect and disconnect from. Also this tow…

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Answer 7

Since wire color codes are NOT universal, we always recommend wiring by function, rather than wire color. If you look at the Trailer Wiring FAQ article I have linked you to, you can see some diagrams showing the proper way to wire a vehicle and…

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Answer 8

Gladly! The difference between the Blue Ox Patriot 3 Radio Frequency, Portable Braking System BRK2019 and the Blue Ox Patriot Radio Frequency, Portable Braking System #BLU37TR is that the Blue Ox Patriot 3 RBRK2019 is older, no longer available, and…

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Answer 9

Thanks for the information Kevin! To flat tow your 2025 Ford Bronco with a standard bumper and LED lights, I recommend the following parts: Tow Bar and Safety Chains - etrailer XHD Non-Binding Tow Bar for Roadmaster Direct-Connect item #e84ZR Base…

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Answer 10

Hey Jonathon thank you so much for all of that additional information! To haul your bikes behind your class C Sprinter motorhome, while flat towing your Mini, I recommend the Hollywood Racks RV Rider Bike Rack item #HLY64FR and the Roadmaster Dual…

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Answer 11

Hi Ken! It looks like you have almost everything you need to set up your 2026 Jeep Gladiator Sahara for flat towing. The etrailer Invisible Base Plate Kit - Removable Arms #e98948 is a perfect fit and the etrailer XHD Non-Binding Tow Bar - RV Mount -…

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Answer 12

Hey Dan, I can definitely help you out! For a complete setup you will need the tow bar, base plate kit, safety cables, wiring, and a brake system. I recommend the following: -Blue Ox Base Plate Kit #BLU94ER -Blue Ox Avail Non-Binding Tow Bar #BLU28QV…

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Wiring Diagram to Use for Wiring Up Tandem Trailer Brakes

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