Our in-house experts typically reply within one business day.
Tekonsha
Verify Fitment
Select your vehicle to confirm this part fits.
2017 - 2026 Ford F-450 Super Duty
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: | TEKONSHA |
| PART NUMBER: | 8507120 |
| WARRANTY: | Limited Lifetime Warranty |
| 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: | NO |
| HOUSING COLOR: | BLACK |
| BRACKET INCLUDED: | YES |
Tekonsha is a leading manufacturer of electronic trailer brake controllers, pioneering the category in the 1970s. The lineup spans proportional units such as the Prodigy P3 and Prodigy iD, time-delayed controllers, the wireless Prodigy RF, plus vehicle-specific wiring harnesses, adapters and trailer brake components engineered for smooth, predictable stopping at any speed.
Tekonsha Engineering Company began in 1964 building RV steps and mirrors. Within a few years it had found its real calling, and by the 1970s Tekonsha was pioneering the manufacture of electronic trailer brake controllers, the product category that still defines the brand. More than half a century later it remains the reference name in trailer braking and is part of the Horizon Global group alongside Reese, Draw-Tite, Fulton, Bulldog and Wesbar.
A brake controller is the component that tells a trailer's electric brakes how hard to work and when, and getting that right is the difference between a controlled stop and a shove from behind. Tekonsha builds both major types. Proportional controllers use an internal accelerometer to sense how quickly the tow vehicle is slowing and apply trailer braking to match, so light braking stays light and hard braking is immediate. Time-delayed controllers ramp to a preset output over a fixed interval, a simpler and more economical approach that suits occasional towing.
The current brake controller range covers most of that ground. The Prodigy iD pairs with a phone through Tekonsha's EDGE technology for setup and monitoring, the P3 offers storable settings for multiple trailers and a trilingual colour LED display, the Prodigy P2 adds a dimmable display and boost mode for heavier loads, and the Voyager keeps operation simple and dependable. The Prodigy RF mounts to the trailer itself and controls wirelessly, which suits rental fleets and drivers who swap tow vehicles.
Installation is supported by vehicle-specific brake control harnesses that plug into a factory connector rather than requiring cut-and-splice wiring, along with mounting brackets and adapters. Matched controller bundles pair a unit with the correct harness. Products are tested to meet and often exceed published industry standards.
Experts available to answer your questions
Call 888-634-94941 compatible vehicles
| Year | Make & Model | Notes |
|---|---|---|
| 2017 - 2026 | Ford F-450 Super Duty | — |
The 2017-2026 Ford F-450 Super Duty Brakeman IV Time?Delay Brake Controller for Trailers with 1?4 Axles, Black 8507120 (Part #8507120 70303) fits 2017-2026 Ford F-450 Super Duty models. The 2026 model year is the last year covered by this part number. For newer models, check for an updated version.
The 2017-2026 Ford F-450 Super Duty Brakeman IV Time?Delay Brake Controller for Trailers with 1?4 Axles, Black 8507120 (Part #8507120 70303) fits the following vehicles: 2017-2026 Ford F-450 Super Duty. Always verify your specific year, make, and model before ordering.
Yes, the 2017-2026 Ford F-450 Super Duty Brakeman IV Time?Delay Brake Controller for Trailers with 1?4 Axles, Black 8507120 (Part #8507120 70303) is designed to fit the 2017-2026 Ford F-450 Super Duty.
The 2017-2026 Ford F-450 Super Duty Brakeman IV Time?Delay Brake Controller for Trailers with 1?4 Axles, Black 8507120 (Part #8507120 70303) Refer to the included instructions for installation details. Basic hand tools are typically all you need.
The Tekonsha Electronic Brake Control is an electronic trailer brake controller designed for 2, 4, 6, and 8 brake applications. It allows the driver to control trailer brakes independently from the tow vehicle's brakes using a dashboard-mounted control unit. The system includes an Output (Gain) Control to set maximum brake power, a Sync Control to adjust brake aggressiveness, and a Manual Control slide for independent trailer braking. The digital display shows gain settings and helps with setup and troubleshooting.
The package includes: (1) Brake Control Unit, (1) Mounting Bracket, (4) Mounting Screws, and (1) Warranty Card. You will need to supply separately: 10 Ga. wire, a 30 Amp auto-reset circuit breaker, assorted ring terminal and butt connectors, and 4" cable ties (6-10 pieces).
The control is designed for 2, 4, 6, and 8 brake applications. The manual does not specify which trailer models or manufacturers are compatible, or any vehicle-specific fitment restrictions. Contact the manufacturer at 1-888-785-5832 or www.tekonsha.com for compatibility with your specific trailer and tow vehicle.
Required tools are: assorted end wrenches, a drill with a 1/8" bit, a wire connector crimp tool, a probe type circuit tester, a wire cutter/stripper, and a screwdriver or 1/4" nut driver. The manual does not specify whether professional installation is recommended or required.
You must use 10 Ga. wire and a 30 Amp auto-reset circuit breaker. These are critical for safe operation and must be supplied separately; they are not included in the package.
The control must be mounted in a location that meets three criteria: (A) the unit must be mounted securely to a solid surface, (B) the unit must be easily reached by the driver, and (C) the area behind the mounting location must be clear so nothing will be damaged when drilling. The manual shows it can be mounted under the dash, on top of the dash, vertically, or at any angle, but you must verify the area behind is clear before drilling.
1. Determine a suitable mounting location that is solid, easily reached, and has clear space behind it. 2. Hold the mounting bracket in the selected position and mark hole locations through the slots in the bracket. 3. Using a 1/8" diameter drill bit, drill holes at the marked locations. 4. Secure the bracket in place using the 2 self-tapping screws provided with a screwdriver or 1/4" nut driver; be careful not to strip the holes by over-tightening. 5. Mount the brake control unit to the bracket using the remaining 2 self-tapping screws as shown in the illustration.
You must drill 2 holes with a 1/8" diameter (1/8" dia.) bit at the locations marked through the bracket slots. Before drilling, ensure the area behind the panel is completely clear to avoid damaging anything behind the mounting surface.
The brake control uses four wires: Black (Vehicle Power), Red (Stop Light), White (Vehicle Ground), and Blue (Trailer Brakes). The black wire connects to vehicle power, the white wire to vehicle ground, the red wire to the stop light circuit, and the blue wire to the trailer brake circuit. Correct wire identification and connection is essential for proper operation.
A 30 Amp auto-reset circuit breaker is required. This must be installed in the power circuit to protect the system. The circuit breaker is not included and must be supplied separately.
Preliminary setup requires: (1) Connect the trailer and press and hold the brake pedal; the display will show the Gain setting. Adjust to approximately 2.0 by pressing the Gain button up or down. (2) While still holding the brake pedal, press either Sync button; the display will change to Sync setting. Adjust to 4° by pressing the Sync button (+ or –) as necessary. Then perform a test drive in an open area like a large parking lot to fine-tune the settings.
In an open area such as a large parking lot: (1) Drive forward and apply the trailer brakes using the Manual Control. (2) If trailer brakes are weak, adjust the Output (Gain) Control up. If brakes jerk or lock up, adjust it down. Repeat until firm braking is felt without jerking or lockup. (3) Once Gain is set, drive forward and press the brake pedal; the tow vehicle and trailer should make a smooth stop. (4) If the stop seems slow and more aggressive braking is desired, push the Sync Up (+) button while holding the brake pedal. If too aggressive, press Sync Down (–). (5) Make several stops at various speeds and adjust Sync until stops are smooth and firm. Slight adjustment of Output (Gain) may also be desirable.
The Output (Gain) Control establishes the maximum amount of power available to the trailer brakes. As Gain is increased, more power will be available to the brakes when the brake pedal is pressed or the manual control is used. The Gain setting is shown on the digital display as 0 through 10, with 0 being minimum and 10 being maximum. Adjust the Gain during initial setup, when trailer load changes, when different trailers are used, or to adjust for changing road conditions. Increase Gain if brakes are weak; decrease it if brakes jerk or lock up.
The Sync Control adjusts trailer brake aggressiveness. The trailer brakes become more aggressive as the Sync '+' button is pressed. The Sync setting is shown on the display as 0° through 9°, with 0° being the least aggressive and 9° being the most aggressive. To view the Sync setting, press the brake pedal (trailer must be connected) and press either the + or – Sync button. The Sync adjustment has no effect on the Manual Control. Adjust Sync for individual driver preference or changing road conditions. During test drive, if stops seem slow, push Sync Up (+) while holding the brake pedal; if too aggressive, press Sync Down (–).
The Manual Control is located on the front of the Brake Control Unit at the right side. It applies only the trailer brakes and is used during initial setup and in situations where it is desirable to reduce speed slowly. When the Manual Control is moved to the left, it begins to apply the trailer brakes. The further left it is moved, the harder the brakes are applied until the maximum setting by the Output (Gain) Control is reached. The Gain setting will be shown on the display and can be adjusted when using the Manual Control. The Manual Control activates all trailer stoplights. Note: Some tow vehicles' stoplights may also activate.
The digital display shows the Gain setting when the control is activated. It is used to setup and monitor the Brake Control and can be used when troubleshooting. The display shows different information depending on the situation: a single decimal point when control is activated with no trailer connected; the Output (Gain) setting when control is activated with trailer connected; and the Sync setting when the brake pedal is pushed with Sync Control activated and trailer connected. The display can also show error codes such as OL (short in blue wire circuit) or Er (internal brake control problem).
Yes. Light pressure on the brake pedal will activate the trailer's brakes with no effect on the tow vehicle's brakes. This is useful for gradual slowing on steep grades or before stops.
On some vehicles, operating the Brake Control's Manual Control will not disengage 'Cruise Control'. If this is a concern with your vehicle, consult your vehicle's manual or the brake control manufacturer at 1-888-785-5832.
When towing with hazard flashers on, the digital display will flash with the hazard flashers. If the brake control is set aggressively, pulsing may be felt in the trailer brakes. Installation of a Pulse Preventor will isolate the brake control from the flashers and eliminate the flash/pulse situation.
Yes. Periodic adjustment of the Sync and Output controls may be necessary to correct for changing road conditions, trailer loading, brake wear, and/or driver preference. Monitor braking performance and adjust as needed to maintain smooth, firm stops.
This indicates no power to the control, no ground, reversed black and white wires, or a blown circuit breaker. Check and repair all connections. Verify that the black wire (vehicle power) and white wire (vehicle ground) are correctly connected and not reversed. Check that the 30 Amp auto-reset circuit breaker has not blown. Refer to the wiring section of the manual.
This indicates no connection or incorrect connection at the stoplight switch, or a blown fuse in the stoplight circuit. Check and repair all connections to the stoplight switch. Verify the red wire (stop light) is correctly connected. Check the stoplight circuit fuse in your vehicle. Refer to the wiring section of the manual.
This indicates the red wire (stop light) is connected to the wrong side of the stoplight switch or to the wrong switch (such as cruise control). Check and repair all connections. Verify the red wire is connected to the correct stoplight switch terminal. Refer to the wiring section of the manual.
This indicates the brake control unit is miswired. Check and repair all connections. Refer to the wiring section of the manual to verify all four wires (black, red, white, and blue) are connected to the correct terminals.
This indicates a short circuit in the blue wire circuit (trailer brakes). Locate and correct the short in the blue wire. Check for damaged insulation, pinched wires, or incorrect connections in the blue wire circuit.
This indicates an internal brake control problem. Return the unit to the dealer for evaluation. Do not attempt to repair the unit yourself.
Several causes are possible: (1) No connection between the brake control and brakes—confirm the blue wire is connected to the trailer connector and check the connector terminal positions. (2) Miswired trailer connector—confirm the trailer connector terminal positions are correct. (3) Short or overload in the trailer brakes—troubleshoot the trailer brake circuit per the brake manufacturer's instructions. (4) Internal brake control problem—return the unit to the dealer for evaluation.
Two causes are likely: (1) Miswired trailer connector—check and correct the connector wire positions. (2) Output (Gain) setting too low—increase the Output (Gain) Control. Start by checking the trailer connector terminal positions, then perform a test drive and increase the Gain setting until firm braking is felt without jerking or lockup.
This indicates the trailer connector is miswired. Check and correct the connector wire positions. Verify that the blue wire (trailer brakes) is connected to the correct terminal on the trailer connector.
The control is designed for 2, 4, 6, and 8 brake applications. The manual does not list specific trailer models or manufacturers. Contact Tekonsha at 1-888-785-5832 or www.tekonsha.com to confirm compatibility with your trailer and tow vehicle.
You must supply: 10 Ga. wire, a 30 Amp auto-reset circuit breaker, assorted ring terminal and butt connectors, and 4" cable ties (6-10 pieces). The bracket, mounting screws, and control unit are included.
Yes. You must drill 2 holes with a 1/8" diameter bit to mount the bracket. Before drilling, ensure the area behind the panel is completely clear to avoid damaging anything behind the mounting surface.
Set the Gain to approximately 2.0 and the Sync to 4° during preliminary setup. Then perform a test drive in an open area and adjust both settings until you achieve smooth, firm braking without jerking or lockup.
Use 10 Ga. wire and a 30 Amp auto-reset circuit breaker. These are critical for safe operation and must be supplied separately.
Yes. Light pressure on the brake pedal will activate only the trailer brakes with no effect on the tow vehicle's brakes. This is useful for gradual slowing on steep grades or before stops.
This occurs when the brake control is set aggressively and hazard flashers are on. Install a Pulse Preventor to isolate the brake control from the flashers and eliminate the pulsing.
The 22292-037 is a wiring adapter that connects a vehicle's factory electric brake control harness to an aftermarket electric trailer brake controller. It allows you to install a new brake controller by adapting the existing vehicle wiring without requiring complete rewiring. The adapter contains male terminals and connects three circuits: trailer brake controller output, fused battery feed, and vehicle stop lamp switch input to the brake controller.
The adapter is designed for vehicles with a factory instrument cluster finish panel in the center of the dash on the driver side and an electric brake control harness. It works on vehicles both with and without an OEM trailer tow package. However, vehicles without an OEM trailer tow package may require additional fuses and relays (sold separately) to complete the output and battery feed circuits. Consult your vehicle's owner's manual for specific compatibility and fuse/relay locations.
Yes. If your vehicle is equipped with a factory brake controller, the adapter can be used to replace it. You will locate the large grey housing matching the adapter's mating connector, which will be plugged into the back of the factory unit. You may need to unplug additional harnesses to access it. Note that disconnecting the factory brake control will display a fault code on your vehicle's message center dash display.
The manual does not specify whether battery disconnection is required. However, the first step requires that the vehicle be off with keys removed from the ignition. Consult the electric brake control manufacturer's instructions and your vehicle's owner's manual for battery disconnection requirements before beginning installation.
The manual specifies that you will need a flashlight to locate the routing path for the adapter to exit the bottom of the dash. A socket or wrench will be needed to remove the two bolts exposed when the instrument cluster finish panel is removed (if using Option 1). Safety glasses are required. The manual does not specify other tools; consult the electric brake control manufacturer's instructions for any additional tools needed to complete the full installation.
The manual does not specify whether professional installation is required. It provides step-by-step instructions for a DIY installation, but the final step directs you to complete installation per the electric brake control manufacturer's instructions and perform test procedures as instructed. If you are not comfortable working inside your vehicle's dashboard or with electrical connections, consult a professional installer.
Make sure the vehicle is off with the keys removed from the ignition. This is a critical safety step before beginning any work on the vehicle's electrical system.
Locate the instrument cluster finish panel in the center of the dash on the driver side. Pry the panel out and away from the dash carefully to avoid damaging the trim or panel. Unplug the housings attaching the panel, being careful not to damage the locking tabs, and set the panel aside.
Option 1 applies to vehicles without a factory brake controller: locate and remove two bolts exposed after removing the instrument cluster finish panel, remove the bin, and unplug the grey connector from the back of the bin. Option 2 applies to vehicles equipped with a factory brake controller: locate the large grey housing matching the adapter's mating connector (plugged into the back of the factory unit), and unplug additional harnesses if needed to access it.
Plug the brake control adapter into the vehicle's electric brake control harness connector. The adapter's male terminals will mate with the vehicle's female connector.
Locate a routing path for the adapter to exit the bottom of the dash. Use a flashlight to shine light up through the bottom of the dash to locate a hole to exit the dash. This will allow you to route the adapter wires to the new brake controller mounted below the dashboard.
Complete the installation per the electric brake control manufacturer's instructions and mount the unit as directed. Perform test procedures as instructed by the brake controller manufacturer. After the brake controller is installed, plug in all connectors that were not used back into the original housings and snap the access panel back into place.
The adapter connects three circuits: (1) Trailer Brake Controller (Output) – the signal from the new brake controller to the trailer brakes; (2) Fused Trailer Brake Controller Battery Feed – power from the vehicle battery to the brake controller; and (3) Vehicle Stop Lamp Switch to Brake Controller (Input) – the signal from the vehicle's brake lights to the brake controller. The adapter also includes a ground connection.
Yes. Vehicles not equipped with an OEM trailer tow package may require fuses and relays to complete the output and battery feed circuits. These are sold separately. Consult your vehicle's owner's manual for the locations of fuse and relay panels and the specific amperage and type needed for your installation.
The adapter is rated for a maximum of 3 axles with 6 brakes at 18 amps. Do not exceed this rating. Additionally, do not exceed the lower of your towing manufacturer's rating or this 18 amp maximum. Overloading the circuit can cause fires. Consult your vehicle's owner's manual and the brake controller instruction sheet for additional information.
Wear safety glasses during installation. Read and follow all vehicle warnings and installation instructions before beginning. Be careful not to damage the instrument cluster trim or panel when removing it. Do not damage the locking tabs on the connectors. Make sure the vehicle is off with keys removed before starting work. Follow all safety precautions outlined in your vehicle's owner's manual.
After the brake controller is installed, verify that all connectors that were not used have been plugged back into the original housings and that the instrument cluster access panel has been snapped back into place. Perform all test procedures as instructed by the electric brake control manufacturer to ensure proper operation of the brake controller and all wiring connections.
Yes. When disconnecting the factory installed brake control, you will get a fault code displayed on the message center of the dash. This is normal and expected when replacing a factory brake controller with an aftermarket one using the 22292-037 adapter.
The adapter works on vehicles with a factory instrument cluster finish panel in the center of the driver-side dash and an electric brake control harness. It fits vehicles with or without an OEM trailer tow package. Vehicles without an OEM package may need additional fuses and relays (sold separately). Consult your vehicle's owner's manual to confirm compatibility.
You will need a flashlight, safety glasses, and a socket or wrench to remove two bolts from the instrument cluster area (if your vehicle does not have a factory brake controller). The electric brake control manufacturer may require additional tools; consult their instructions.
The manual requires the vehicle to be off with keys removed but does not specify battery disconnection. Consult the electric brake control manufacturer's instructions and your vehicle's owner's manual for battery disconnection requirements.
The adapter is rated for a maximum of 3 axles, 6 brakes, 18 amps. Do not exceed this or your towing manufacturer's rating, whichever is lower. Overloading can cause fires.
Yes, vehicles without an OEM trailer tow package may require additional fuses and relays (sold separately) to complete the output and battery feed circuits. Consult your vehicle's owner's manual for locations and specifications.
Yes, a fault code will appear on your vehicle's message center when the factory brake controller is disconnected. This is normal when replacing it with an aftermarket controller using the 22292-037 adapter.
Free Shipping
Ships free on all orders
Authorized Dealer
FREE ShippingFREE SHIPPING
Estimated delivery Sun, Aug 9 - Wed, Aug 12
Order before 2 PM EST Monday–Friday for same-day processing
Guaranteed safe & secure checkout
No reviews have been added for this product.
