Product Details
- Brand: Reese
- Model: 83504 3070-2
- Includes: Brakeman IV Trailer Times Brake Controller 1 to 4 Axles, Trailer Brake Controller Custom Harness
Compatibility Chart
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Trailer Brake Control for 07-13 Acura MDX w/ Plug Play Wiring Adapter Reese Brakeman IV Eletric Trailer Brakes Module Box Controller Install Notes
Installation Instructions for Electric Trailer Brake Control Wiring Adapter
Part Numbers:
- 307000
Wiring Access Location:
- Under dash, left of the steering column, near the brake pedal
Tools Required:
- None
Step-by-Step Instructions:
Step 1: Locate the vehicle brake control harness connector
- Find the electric brake control harness under the dash, to the left of the steering column.
- The harness will be taped to another harness near the brake pedal and will have a 4-pin connector that mates with the adapter.
Step 2: Connect the brake control adapter
- Plug the brake control adapter into the vehicle’s electric brake control harness connector.
- Follow the brake control manufacturer’s installation instructions.
Step 3: Complete installation and mount the brake control unit
- Complete the installation as directed in the brake control manufacturer’s instructions.
- Mount the brake control unit and perform the test procedures to ensure functionality.
Safety Notes:
- Vehicles not equipped with an OEM trailer tow package may require fuses and relays to complete output and battery feed circuits (sold separately).
- Consult the vehicle owner’s manual for fuse and relay locations.
- Do not exceed the lower of the towing manufacturer’s rating or the following limits:
- Maximum 3 axles: 6 brakes (18 amps).
- Overloading circuits can cause fires.
- Always wear safety glasses and follow all safety precautions during installation.
Additional Information:
- Always ensure the adapter is securely connected to the mating receptacle on the brake control before attaching to the vehicle harness.
Installation Instructions for Electronic Brake Control for 2, 4, 6 & 8 Brake Applications
Product Information:
- Part Number: N83504
Package Contents:
- Brake Control Unit
- Mounting Bracket
- Mounting Screws (#6 x 3/8") (Qty: 4)
Tools Required:
- Drill with 1/8" drill bit
- Screwdriver or 1/4" Nut Driver
- Wire Stripper/Cutter
- Wire Crimping Tool
- Circuit Tester
- Assorted Wrenches
Mounting Instructions:
-
Choose Mounting Location:
- Select a solid surface that is easy for the driver to access.
- Ensure the area behind the mounting location is clear.
-
Install the Bracket:
- Use the bracket as a template to mark the holes.
- Drill two (2) 1/8" holes at the marked locations.
- Secure the bracket with self-tapping screws.
-
Attach the Brake Control:
- Slide the Brake Control Unit into the bracket.
- Secure it with the remaining screws.
Wiring Instructions:
- Black Wire: Connect to the 12V positive terminal of the battery using a 30A auto-reset circuit breaker.
- White Wire: Connect to a clean, bare metal ground on the vehicle chassis.
- Red Wire: Connect to the cold side of the stoplight switch (voltage only when the brake pedal is pressed).
- Blue Wire: Connect to the trailer brake wire at the 7-way connector.
Control Functions:
-
Output (Gain) Control:
- Adjusts the maximum power sent to the trailer brakes.
- Range: 0 (minimum) to 10 (maximum).
-
Sync Control:
- Adjusts the aggressiveness of the trailer braking:
- Press + for more aggressive braking.
- Press – for less aggressive braking.
- Sync settings range from 0° to 9°.
- Adjusts the aggressiveness of the trailer braking:
-
Manual Slide Control:
- Applies the trailer brakes independently of the tow vehicle’s brakes.
- Slide the control to the left to activate the trailer brakes.
- The Output (Gain) setting determines braking force.
-
Digital Display:
- Displays Gain and Sync settings during setup and operation.
- Decimal Point indicates activation when the brake pedal is pressed.
Setup and Adjustment:
-
Preliminary Adjustment:
- Connect the trailer to the vehicle.
- Press and hold the brake pedal.
- Adjust the Output (Gain) to approximately 2.0 using the +/- buttons.
- Press either Sync + or Sync – to adjust the Sync setting to 4°.
-
Test Drive:
- Drive forward at 25 mph in an open area.
- Use the Manual Slide Control to apply the trailer brakes:
- If braking is weak, increase the Output (Gain) setting.
- If the trailer brakes lock up, reduce the Output (Gain) setting.
-
Fine-Tune Sync Setting:
- Press and hold the brake pedal and adjust Sync:
- + for more aggressive braking.
- – for smoother braking.
- Make multiple stops to ensure smooth and firm braking performance.
- Press and hold the brake pedal and adjust Sync:
Troubleshooting Guide:
Condition | Possible Cause | Solution |
---|---|---|
No brakes with pedal or manual use | No power or ground connection | Verify Black and White wires. |
Weak braking performance | Output set too low | Increase the Output (Gain). |
Brakes lock up | Output set too high | Decrease the Output (Gain). |
Flashing OL on Display | Short in Blue wire circuit | Inspect and repair Blue wire circuit. |
No display or response | Faulty wiring or blown fuse | Verify all wiring and connections. |
Safety Notes:
- Ensure wiring connections are secure and properly insulated.
- Test the system before towing and regularly inspect the trailer brakes.
- Do not exceed the vehicle’s towing capacity as specified by the manufacturer.
Technical Support:
- For technical support and assistance, our team of experts is available to help.
- Visit www.trailerjacks.com or call 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.