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Can Trailer 4-Way be Wired to Activate Trailer Brakes  

Updated 01/31/2022 | Published 01/29/2022

Question:

Im trying to figure out if their is a way to wire my tandem axel trailer brakes to a 4 wire 4 prong

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Expert Reply:

A 4-way is not able to activate trailer brakes as it is for lighting only, so it doesn't have the ability to carry the signals to your brakes. So what you'll need for your trailer is a junction box and 7-way:

- Junction Box - 7 Terminal # 3375601100

- 7-Way RV Style Connector - Trailer End 6 ' Long # HM20086 or 8' Long # H20046

You'll wire your brakes (as well as your lights) directly to the junction box, which the 7-way is hooked up to. What you will need is brake wire, which is available per-foot with the Deka Jacketed 2 Wire, 10 Gauge, Brake Wire # 10-2-1.

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Kyle S
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