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Old 04-16-2024, 08:04 PM   #1
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Location: Dade City Florida
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Factory Trailer Brake Wiring

I have a 2021 Surveyor 19RBLE which is a single Axle unit with a 4,400 Lb. axle rating. I have never been happy with the performance of the brakes (10" x 2 1/4"). I have even replaced the complete backing plate assembly L&R and hubs. I towed it behand a 2020 Explorer with a RedArc controller, A 2021 F-150 with the trailer tow package, And now a 2023 Explorer with a RedArc controller.

Ever since it was new I have been eyeballing this balled up wire bundle connected between the main brake control wires and distribution connector to each brake magnet. (sorry no pictures) So... today I cut it out and found that the bundle was 18 ga wires. Next week it will go for a test drive then off to another 3,000 mile adventure.

My question is. Has anyone seen this wiring configuration before? Reasonable explanation for it being there? i know it is acting like a resistor, but why? that what the brake controller is for.

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Old 04-16-2024, 09:24 PM   #2
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Question.

Have you ever adjusted the automatic adjusting brakes?

The do not adjust automatically very well.

We just had new axles installed. Adjusted by Amish Family rv. Wow, do they work now.

Jack up a side. Pull the emergency cable. Should lock tight.
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Old 04-16-2024, 09:25 PM   #3
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All I see is undersized wire causing a voltage drop too your brakes.
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