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Reese Towpower
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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.
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1 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2001 - 2002 | GMC Yukon Denali | w/Amber Turn Signals |
Yes, the 2001-2002 GMC Yukon Denali Reese Towpower Brakeman IV Time Delay Brake Controller for Trailers with 1 to 4 Axles Black 8507111 (Part #8507111 70220) is designed to fit the 2001-2002 GMC Yukon Denali.
The 2001-2002 GMC Yukon Denali Reese Towpower Brakeman IV Time Delay Brake Controller for Trailers with 1 to 4 Axles Black 8507111 (Part #8507111 70220) fits the following vehicles: 2001-2002 GMC Yukon Denali. Always verify your specific year, make, and model before ordering.
The 2001-2002 GMC Yukon Denali Reese Towpower Brakeman IV Time Delay Brake Controller for Trailers with 1 to 4 Axles Black 8507111 (Part #8507111 70220) fits 2001-2002 GMC Yukon Denali models. The 2002 model year is the last year covered by this part number. For newer models, check for an updated version.
The 2001-2002 GMC Yukon Denali Reese Towpower Brakeman IV Time Delay Brake Controller for Trailers with 1 to 4 Axles Black 8507111 (Part #8507111 70220) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
The adapter is designed for vehicles that have an Electric Junction Box located in the interior of the vehicle underneath the dashboard, left of the steering column, just above the carpet. The manual does not specify which vehicle makes, models, or years are compatible. Contact the manufacturer or your vehicle dealer to confirm your vehicle has this junction box before purchasing.
The adapter connects an electric trailer brake control unit to your vehicle's electrical system. It plugs into the mating connection point in the vehicle's Electric Junction Box to supply power and signals for controlling electric trailer brakes.
The Electric Junction Box is located in the interior of the vehicle underneath the dashboard, left of the steering column, just above the carpet. Remove the cover to access the mating connection point for electric trailer brakes, which is located in the top row, second from the left.
Before plugging the adapter into the vehicle, plug the brake control adapter into the mating receptacle on the backside of the brake control unit itself. This must be done before attaching the adapter to the vehicle connector.
Locate the mating connection point in the Electric Junction Box (top row, second from the left) and plug the adapter into it. After plugging in, verify that battery (+) power is supplied to the adapter by carefully probing it with a circuit tester.
After plugging the adapter into the Electric Junction Box, carefully probe it with a circuit tester to verify that battery (+) power is supplied to the adapter.
No. All vehicles come with a location for installation of an Electric Brake Control Adapter, but not all vehicles have complete connections to the battery and/or wiring to the rear of the vehicle for electric trailer brakes. If your vehicle has power supplied for the electric trailer brakes and appropriate wiring to the rear, proceed directly to step 4. If not, you will need an Electric Brake Control Wiring Kit.
You will need an Electric Brake Control Wiring Kit. This kit includes wires to connect the vehicle's brake control feed wire (blue) and battery (+) power supply wire (red) from the Electrical Center Box under the hood to the adapter and rear of the vehicle. An in-line fuse or circuit breaker is also required for this installation.
The Electrical Center Box is located under the hood on the driver's side of the vehicle. You must open the hood and remove the box lid and cover to access the brake control feed wire (blue) and battery (+) supply wire (red).
The vehicle's brake control feed wire is blue. It is located in the Electrical Center Box under the hood on the driver's side.
The vehicle's battery (+) power supply wire is red. It is located in the Electrical Center Box under the hood on the driver's side, in the same location as the blue brake control feed wire.
Yes. To access the brake control feed wire (blue) in the Electrical Center Box, you must temporarily remove the vehicle's support brace. After installing the wiring kit, reinstall the Electrical Center Box cover, lid, and support brace.
Yes. An in-line fuse or circuit breaker is required if you are using an Electric Brake Control Wiring Kit to complete the installation.
After installing the wiring kit, reinstall the Electrical Center Box cover, lid, and support brace. Then plug the brake control adapter into the vehicle's electric brake control harness connector and follow all brake control manufacturer's installation instructions.
Yes. After plugging the brake control adapter into the vehicle's electric brake control harness connector, you must follow all brake control manufacturer's installation instructions. The manufacturer's instructions will cover mounting the unit and performing test procedures.
Do not exceed the lower of the towing manufacturer rating or a maximum of 4 axles with 8 brakes (24 amps). Overloading the circuit can cause fires. Consult your vehicle's owner's manual and instruction sheet for additional information.
Overloading the circuit can cause fires. Do not exceed the lower of the towing manufacturer rating or a maximum of 4 axles with 8 brakes (24 amps).
The adapter fits vehicles with an Electric Junction Box located under the dashboard, left of the steering column. Check your vehicle's owner's manual or contact the manufacturer to confirm compatibility.
If your vehicle lacks complete electric trailer brake wiring, you will need an Electric Brake Control Wiring Kit and an in-line fuse or circuit breaker. You will also need a circuit tester to verify power.
1. Plug the adapter into the brake control unit first. 2. Locate the Electric Junction Box under the dashboard and plug the adapter in. 3. Verify power with a circuit tester. 4. If wiring is incomplete, install a wiring kit. 5. Follow the brake control manufacturer's instructions.
An in-line fuse or circuit breaker is required only if you need to install an Electric Brake Control Wiring Kit due to incomplete vehicle wiring.
Maximum 4 axles with 8 brakes (24 amps), or the lower of your towing manufacturer's rating. Do not exceed this to prevent fire risk.
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