Product Details
- Brand: Tekonsha
- Model: 8507120 3036-270
- Includes: Brakeman IV Time-Delay Brake Controller for Trailers with 1-4 Axles, Trailer Brake Controller Custom Harness
Compatibility Chart
Description
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For 2021-2024 Ford Bronco Tekonsha Brakeman IV Brake Control + Plug & Play BC Adapter (For w/LED Taillights Models) By Tekonsha Install Notes
Installation Instructions for Electric Trailer Brake Control Wiring Adapter
Part Number: 303600
Tools Required:
- Trim Panel Remover
- Flashlight
Step-by-Step Instructions:
Step 1: Vehicle Preparation
- Ensure the vehicle is off, and the keys are removed from the ignition.
Step 2: Remove the Instrument Cluster Finish Panel
- Locate the instrument cluster finish panel in the center of the dashboard on the driver side.
- Use a trim panel remover to carefully pry the panel out and away from the dash.
- Take care not to damage the trim or panel.
- Unplug the housings attaching the panel.
- Be careful not to damage the locking tabs.
- Set the panel aside.
Step 3: Access the Brake Control Harness
Option 1:
- Locate and remove two bolts that were exposed in Step 2.
- Remove the bin and unplug the grey connector from the back of the bin.
Option 2:
- For vehicles with a factory-installed brake controller, locate the large grey housing plugged into the back of the unit.
- Additional harnesses may need to be unplugged to gain access to the location.
NOTE:
Disconnecting the factory-installed brake controller may trigger a fault code on the vehicle's message center.
Step 4: Connect the Brake Control Adapter
- Plug the brake control adapter into the vehicle’s electric brake control harness connector.
Step 5: Route the Adapter
- Identify a suitable routing path for the adapter to exit through the bottom of the dash.
- Use a flashlight to locate a suitable hole for the adapter.
Step 6: Complete Installation
- Follow the brake controller manufacturer’s instructions to complete the installation.
- Mount the brake controller securely as directed.
- Perform all test procedures as instructed.
Step 7: Reassemble
- Reconnect any unused connectors back into their original housings.
- Snap the instrument cluster finish panel back into place.
Notes:
- Vehicles not equipped with an OEM trailer tow package may require additional fuses and relays to complete the circuits.
- These components are sold separately.
- Refer to the vehicle owner’s manual for fuse and relay locations.
Safety Warnings:
- Circuit Overload Warning:
- DO NOT exceed the lower of:
- The vehicle manufacturer’s towing rating, or
- Maximum Capacity: 3 axles / 6 brakes (18 amps).
- DO NOT exceed the lower of:
- Overloading circuits can result in fires.
- Always wear safety glasses and follow vehicle warnings and installation instructions.
Wiring Overview:
- Trailer Brake Controller (Output): Sends braking signals to the trailer brakes.
- Fused Battery Feed: Powers the brake controller.
- Stop Lamp Switch (Input): Provides the braking signal to the controller.
- Ground: Connects the system securely to the vehicle chassis.
End of Instructions
Installation and Operation Instructions for Electronic Brake Control
Part Numbers:
- Included Brake Control Unit: Part Number N8507120
Tools Required:
- Drill with 1/8" bit.
- Screwdriver or 1/4" nut driver.
- Wire connector crimp tool.
- Probe-type circuit tester.
- Assorted end wrenches.
- Wire cutter/stripper.
Safety Notes:
- Ensure the area behind the panel is clear before drilling.
- Follow all instructions to prevent damage to the unit or injury during installation.
- Avoid using RF-generating devices closer than 12 inches to the brake control.
- Always verify proper electrical connections.
Hardware List:
- Brake Control Unit.
- Mounting Bracket.
- (4) Mounting Screws.
- Additional Materials Required:
- 10 Ga. wire.
- 30 Amp auto-reset circuit breaker.
- Assorted ring terminal & butt connectors.
- 4" cable ties (6-10).
Installation Instructions:
Mounting the Unit:
- Choose a Suitable Location:
- Ensure a secure, solid surface.
- Ensure the unit is within easy reach of the driver.
- Verify the area behind the panel is clear.
- Mark and Drill Holes:
- Use the bracket as a template to mark hole locations.
- Drill two 1/8" diameter holes.
- Attach the Bracket:
- Secure the bracket using two self-tapping screws provided.
- Avoid over-tightening to prevent damage to the holes.
- Mount the Brake Control Unit:
- Attach the control unit to the bracket with the remaining screws.
Wiring and Connections:
- Black Wire: Connect to the vehicle's power supply.
- Red Wire: Connect to the stoplight signal.
- White Wire: Connect to the vehicle's ground.
- Blue Wire: Connect to the trailer brakes.
Initial Setup:
- With the trailer connected, press and hold the brake pedal.
- Adjust the Output (Gain) Control to approximately 2.0 using the digital display.
- Adjust the Sync Control to a setting of 4°.
- Test the brake application by driving in an open area and using the manual slide control.
Sync and Output (Gain) Adjustments:
- Sync Control: Adjust the aggressiveness of trailer braking.
- Sync settings range from 0° (least aggressive) to 9° (most aggressive).
- Output (Gain) Control: Adjust the maximum power delivered to the brakes.
- Output ranges from 0 to 10, with 10 being maximum braking power.
Testing and Fine-Tuning:
- Conduct a test drive at low speeds in a clear area.
- Use the Manual Slide Control to apply trailer brakes and adjust the Gain as needed.
- Verify smooth stops without jerking or locking the brakes.
- Adjust Sync settings for road conditions and driver preferences.
Maintenance:
- Regularly inspect all connections and wires for damage or wear.
- Keep the unit clean and free of debris.
- Periodically check and tighten all mounting screws.
Troubleshooting Guide:
Condition | Probable Cause | Solution |
---|---|---|
No trailer brakes. | No power or incorrect wiring. | Check power and ground connections. |
Weak trailer braking. | Low Output (Gain) setting. | Increase the Gain setting. |
Brakes lock when applied. | High Output (Gain) setting. | Decrease the Gain setting. |
Display shows "OL" when active. | Short in the blue wire circuit. | Locate and correct the short. |
Display shows "Er". | Internal brake control issue. | Refer to the full installation PDF for guidance. |
Warranty Information:
- Limited Lifetime Warranty:
- Covers defects in materials and workmanship.
- Excludes damage caused by misuse or improper installation.
- For complete warranty instructions, please download the full installation PDF.
Technical Support:
For technical support and assistance, our team of experts is available to help.
You can reach our tech support by visiting www.trailerjacks.com or calling 877-869-6690.
Attention: This is a summary of the installation procedure. For complete installation instructions, including diagrams and detailed information from the manufacturer, please download the full installation PDF.