Recommended Brake Controller for 2025 Forest River Sunseeker With Sprinter Chassis

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Question:

I bought a 2026 Master tow 80THDEB with electric brakes. I will be towing it with a 2025 MBS Diesel Class C Forest River Sunseeker. What brake controller do you recommend.

asked by: Graham M

0

Expert Reply:

Hey Graham! It looks like the Sunseeker is built on the Sprinter 3500 chassis, I recommend verifying that to be sure. For a brake controller I recommend the Redarc Tow-Pro Liberty # RED24FR. This is simple, reliable, and doesn't take up any space in the cab. The main unit mounts behind the dash so only the control knob is visible, giving it an OEM look.

Do you have a factory 7-way with the brake controller port? If you do, you can use the Tekonsha Custom Wiring Adapter for Trailer Brake Controllers # 3063-P along with the # 331-TPH-017 for a plug and play installation. If you don't have a brake controller port you can use the # RED52VR which is the version of the Liberty that comes with a universal wiring harness.

Any big trips coming up with your Sunseeker?

expert reply by: Robin H

0

Tow-Pro Liberty Control Knob
(click to enlarge)

Alvin

12/22/2025

I put the same set up in my MBS Sunseeker. It was nice having the correct and optional plug and play cord for the MBS. You do have to gain access to the center floor battery and I was able to plug into the correct socket which is located on a motherboard under the driver seat frame. Nice that I didn’t have to remove the drivers seat to access. The limit controller diale fit perfectly on the dash. I popped off one of the accessories dash cover, drilled the right size hole and put the cover back on. It makes it look like a factory option. My only regret is that I couldn’t find a compact auto to flat tow. I was using a dolly trailer with a Toyota Prius. Since the steering column does not lock . We did get body damage from the trailer in tight turns. I would either consider flat towing or using an aluminum auto carry trailer to avoid possible auto body damage. I I had to do it over again I definitely would find a vehicle that can truly be flat towed. Easy to connect, disconnect and no trailer to move around.

Nathan W.

12/22/2025

Easy install, works perfectly! Highly recommend this product!

Paul C.

12/23/2025

Red Arc operates well. Professionally installed and knob in convenient location on dash board. Tow car tow dolly behind C class motorhome. Be sure to clean 7 way connector periodically as can short out operation if no covered when in storage.

Answer 1

It could need a fuse, less likely that it would need a relay but you can check the fuse panel lids to determine if there is one that is missing for brake controllers, tow package wiring, CHMSL, or stop light. If that is not the issue then you would…

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Answer 2

You can hard-wire in a brake controller, and it seems that there are not a lot of the Sprinter 3500 models that are pre-wired, at least from what I've seen in my research. I have not seen any reports that this isn't possible, and we even have…

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Answer 3

Yes, the Tekonsha Custom Wiring Adapter for Trailer Brake Controllers part #3063-P is the correct harness that will allow you to use the Tekonsha Prodigy P3 Trailer Brake Controller part #90195 on your 2019 Mercedes-Benz Sprinter 2500 without…

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Answer 4

Hello Mike. It sounds like you are wanting to add electric brakes to your boat trailer that currently has no brakes. This is possible, but you will first need to make sure that your axle is equipped with a brake flange at the base of the spindle. The…

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Answer 5

As long as your 2019 Mercedes-Benz Sprinter 2500 has a factory plugin connection point for the adapter part #3063-P you will not need to make any modifications to the adapter, it will plug right in into the factory plug and the other end to a…

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Answer 6

Switching from a hydraulic braking system to electric on a trailer is actually a lot less complicated than the other way around. You basically just need to lock out your surge brake actuator, swap out your brakes and hubs, and then add some wiring…

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Answer 7

EZ Lube Dust Caps, like #DC200L-DCRP, have a rubber plug that can be removed to access the zerk fitting. The rubber plug can be removed by gently prying it up with a flathead screwdriver. If your dust cap is in good condition and you want to avoid…

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Answer 8

The grease zerk fittings on a Dexter EZ-Lub Axle are threaded. If you broken off the one you have now you can use a screw/bolt extractor to remove the remaining threads and then use the Replacement Grease Zerk part #Gzerk to replace it which I can…

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Answer 9

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 10

A 4-Way trailer connector has the basic lighting functions only; running lights, left turn signal and brake lights, right turn signal and brake lights, and ground. A 7-Way has these functions and a 12 volt circuit, a circuit for electric trailer…

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Answer 11

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 12

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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Recommended Brake Controller for 2025 Forest River Sunseeker With Sprinter Chassis

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