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What is Yellow Post of Epicord Junction Box and 12 Volt Accessory Circuit Used For


What is the yellow pole for in the junction box center/auxiliary. And what is the 12v power post for like a break away system?


Expert Reply:

The yellow pin of the part # 277-000141 that you referenced is normally used for the reverse light circuit. This is typically used for reverse lights on the trailer or for a reverse lockout solenoid for if the trailer has surge brakes.

The 12 volt accessory circuit (black) can be used for a variety of things. Most common is a breakaway battery charge circuit or interior/exterior lighting.

I attached a review video for you to check out as well.

expert reply by:
Jameson C

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