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Old 04-16-2024, 08:04 PM   #1
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Join Date: May 2016
Location: Dade City Florida
Posts: 558
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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2023 Explorer ST-Line w/Tow package
2021 Surveyor Legend 19RBLE
2018 Haulin 6 x 12 Cargo Trailer by Forest River
2017 Laredo 325RL Sold
2016 Vengeance 29V Sold
1970 Yellowstone Used as down payment for first house
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Old 04-16-2024, 09:24 PM   #2
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Join Date: Nov 2017
Location: Dayton Ohio
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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.
2017 Wolfpack 315 Pack 12 5th wheel Toy Hauler
2013 F250 6.7 Diesel Dually 4x4
Odyknuck is offline   Reply With Quote

brake wiring, factory, trailer, wiring

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