Our in-house experts typically reply within one business day.
Reese Towpower
Verify Fitment
Select your vehicle to confirm this part fits.
2007 - 2021 Freightliner Sprinter 2500
Confirmed to Fit
Always the correct part
We know our products
Quality Products
Free Shipping!
Always the correct part
We know our products
Quality Products
Free Shipping!
The Tekonsha Brakeman IV digital trailer brake controller provides safety and connection when you need it most. As a time-based controller, the Brakeman IV is a great choice for basic, light-duty towing needs. This compact controller works by electronically connecting your vehicle and your trailer. When you hit the brakes in your tow vehicle, it generates an output signal that ramps up, or increases over a period of time, applying braking power to your trailer at a fixed rate. The Brakeman IV has up-front buttons so you can easily adjust power output, the sync ? or aggressiveness with which the controller applies the brakes, and engage manual override to help you brake safely when an unexpected stop pops up. It also works with electric or electric over hydraulic braking systems, and features advanced internal circuit protection, real time comprehensive diagnostics, and short circuit protection. Because the Brakeman IV is a time-based controller, there?s no requirement that it be positioned in the direction of travel; it can be installed anywhere you like as long as it is within reach of the driver. Plus, the Plug & Play feature allows for quick and easy connection with your vehicle?s wiring. The Brakeman IV trailer brake controller works with1-4 axle trailers, comes with all the mounting hardware needed for installation, and is backed by a limited lifetime warranty.
| BRAND: | Reese Towpower |
| PART NUMBER: | 8507111 |
| WEIGHT: | 0.6 LBS |
| MATERIAL: | PLASTIC |
| BRAKE CONTROL TYPE: | TIMED |
| TRAILER BRAKE WHEEL QUANTITY: | UP TO EIGHT WHEELS |
| BRAKE TYPE: | Electric |
| Diagnostic Capable: | YES |
| DISPLAY TYPE: | DIGITAL OUTPUT |
| HYDRAULIC CONNECTIONS: | NO |
| SOLID STATE CONSTRUCTION: | YES |
| CIRCUIT BREAKER PROTECTED: | YES |
| HOUSING COLOR: | BLACK |
| BRACKET INCLUDED: | YES |
Reese Towpower delivers the towing hardware most drivers reach for: receiver hitches across multiple classes, ball mounts, hitch balls, pins, clips, safety chains, wiring and hitch accessories. Backed by a towing pedigree dating to 1952, the line uses all-welded construction and corrosion-resistant finishes, with custom-fit hitches matched to vehicle make, model and year.
The Reese story starts in 1952, when Margaret Reese challenged her husband TJ to do something about travel trailers rocking whenever anyone walked through them. A few years later he built the first pair of stabilising jacks. The idea was simple and it worked, and it changed how the RV industry thought about trailer stability. From that beginning the Reese name grew into a full towing line covering fifth wheel hitches, pin boxes, weight distribution systems and accessories, and Reese Towpower carries that engineering into the products most owners buy off the shelf.
Receiver trailer hitches anchor the range, offered across the classes needed for everything from a small utility trailer to livestock and job-site loads. Construction is all-welded rather than bolted at the stress points, and each hitch is tested against published standards for strength and safety. Custom-fit hitches are engineered to the vehicle manufacturer's weight specifications for a given model and model year, so mounting points line up with existing frame holes and the finished installation sits where it should. Exclusive paint finishes resist rust and corrosion through years of road salt, and hitches carry a nationwide limited lifetime warranty.
No towing setup is complete without the connecting hardware, and Reese Towpower covers it comprehensively. Ball mounts come in fixed, adjustable and specialty forms with a range of rises and drops to level a trailer properly. Hitch balls are offered in the standard diameters and shank sizes, matched to coupler and load rating.
The towing accessories line fills in everything else: hitch pins and clips, locks, receiver tube covers, and safety chains rated to the load being pulled. For most drivers this is where a towing purchase actually begins, and having the whole chain of components from one engineering source keeps ratings consistent end to end.
Experts available to answer your questions
Call 888-634-94941 Year
1 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2007 - 2021 | Freightliner Sprinter 2500 | — |
Yes, the 2007-2021 Freightliner Sprinter 2500 Reese Towpower Brakeman IV Time Delay Brake Controller for Trailers with 1 to 4 Axles Black 8507111 (Part #8507111 70338) is designed to fit the 2007-2021 Freightliner Sprinter 2500.
The 2007-2021 Freightliner Sprinter 2500 Reese Towpower Brakeman IV Time Delay Brake Controller for Trailers with 1 to 4 Axles Black 8507111 (Part #8507111 70338) fits 2007-2021 Freightliner Sprinter 2500 models. The 2021 model year is the last year covered by this part number. For newer models, check for an updated version.
The 2007-2021 Freightliner Sprinter 2500 Reese Towpower Brakeman IV Time Delay Brake Controller for Trailers with 1 to 4 Axles Black 8507111 (Part #8507111 70338) fits the following vehicles: 2007-2021 Freightliner Sprinter 2500. Always verify your specific year, make, and model before ordering.
The 2007-2021 Freightliner Sprinter 2500 Reese Towpower Brakeman IV Time Delay Brake Controller for Trailers with 1 to 4 Axles Black 8507111 (Part #8507111 70338) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
The 3030-037 Electric Trailer Brake Control Wiring Adapter is designed for Mercedes Sprinter vehicles. However, your vehicle must be equipped with an OEM trailer tow package. Vehicles without the OEM trailer tow package will not have the green 4-pin connector required for this adapter and cannot use this product.
The green 4-pin connector is the vehicle's electric brake control harness connector. It is located under the driver side seat. This connector mates directly with the adapter. If your vehicle does not have an OEM trailer tow package, this connector will not be present.
Removal of the driver side seat may be required to access the green 4-pin connector located under the seat. The manual notes this as a potential requirement but does not specify when it is necessary. Check whether you can access the connector without removal first.
You will need: a trim panel remover, a Phillips screwdriver, and wire cutters. These tools are required to access the connector, remove trim panels if necessary, and prepare wiring during installation.
The vehicle must be off with the keys removed from the ignition before you begin installation. This is a safety requirement to prevent electrical hazards.
Locate the green 4-pin connector under the driver side seat and plug the brake control adapter directly into it. The connector on the adapter will mate with the vehicle's electric brake control harness connector. After connecting, follow all installation instructions provided by your brake control manufacturer, including mounting the unit and performing test procedures as directed.
After plugging the adapter into the green 4-pin connector, you must locate a routing path for the adapter to exit the bottom of the dash. The exact routing will depend on your vehicle layout and the brake control unit you are installing. Follow your brake control manufacturer's instructions for final cable routing and unit mounting.
Yes. This adapter is a wiring interface only. You must follow all installation instructions provided by your electric brake control manufacturer, including how to mount the brake control unit, route cables, and perform test procedures. The adapter manual covers only the connection to the vehicle's connector.
Yes. After installation is complete, you must replace all parts removed during installation. Ensure all fasteners that were removed are reinstalled into their original positions. This restores the vehicle's interior integrity and safety.
The maximum amperage rating is 24 amps, which corresponds to a maximum of 4 axles and 8 brakes. Do not exceed this rating. You must also respect the lower of either the towing manufacturer's rating (including the rating in your vehicle's owner's manual) or this 24 amp specification. Exceeding the amperage limit can cause fires.
Always wear safety glasses during installation. Read and follow all warnings and instructions included with the adapter before beginning. Read, understand, and follow all warnings and instructions printed on the tow vehicle's battery. Keep the manual for future reference. Follow all warnings and instructions from the brake control manufacturer as well.
Yes, the 3030-037 is designed for Mercedes Sprinter with OEM trailer tow package. Your vehicle must have the green 4-pin connector under the driver side seat. Vehicles without OEM trailer tow package do not have this connector and cannot use this adapter.
You need a trim panel remover, Phillips screwdriver, and wire cutters. Driver side seat removal may be required to access the connector.
The manual requires the vehicle to be off with keys removed from the ignition. It does not explicitly require battery disconnection, but you should read all warnings on the vehicle battery and follow the brake control manufacturer's instructions, which may specify battery disconnection.
Maximum 24 amps (4 axles, 8 brakes). Do not exceed the lower of your towing manufacturer's rating or this 24 amp limit. Overloading can cause fires.
The adapter plugs directly into the vehicle's green 4-pin connector under the driver side seat. The manual does not describe any splicing or cutting of factory wires as part of the adapter connection itself.
Yes, always wear safety glasses during installation. Follow all safety precautions and read all warnings before beginning.
Free Shipping
Ships free on all orders
Authorized Dealer
FREE ShippingFREE SHIPPING
Estimated delivery Wed, Sep 16 - Sat, Sep 19
Order before 2 PM EST Monday–Friday for same-day processing
Guaranteed safe & secure checkout
No reviews have been added for this product.
