Trailer Brake Control for 03‑14 Toyota Tundra w/ Plug Play Wiring Adapter Reese Brakeman IV Eletric Trailer Brakes Module Box Controller
Model: 83504 3040-4Brake Control Unit
Mounting hardware and bracket
Vehicle specific Plug and Play Wiring Adapter
Fits The Following Vehicles
2003 - 2014 Toyota Tundra, All Styles
Brake Control Specs:
| Part Number | 83504 |
| Brand | Reese |
| Type | Time Actuated |
| Axles | 1 to 4 axle trailers |
| Warranty | Lifetime |
| Features: | Digital output indicator Small, compact design Up-front push buttons for Sync and Output Diagnostics for Overload, Open Ground Short Circuit Protected Mounts in any direction No leveling required |
| Installation Instructions |  |
2-Plug Wiring Adapter Specs:
| Part Number | 3040 |
| Brand | Tekonsha |
| Warranty | 1 Year |
| Installation Instructions | |
Thank you for choosing Reese made by same people that brought you Tekonsha and Draw-Tite the most powerful manufacturers of electric trailer brake control systems. Our brake controls easily install on your vehicle. The custom 2-Plug adapter wiring which included in this purchase will simply plug into the back of the brake control and the other end plugs into a matching connection point on your vehicle. There is no splicing or extra work involved, it is a very easy process. All parts in our store are sold at a discount. If you have any questions please do not hesitate to give us a call at 702-374-8999. We will match or beat anyones price.
Partial list of fitment years: 03 04 05 06 07 08 09 10 11 12 13 14 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
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Product Details
- Brand: Reese
- Model: 83504 3040-4
- Includes: Brakeman IV Trailer Times Brake Controller 1 to 4 Axles, Trailer Brake Controller Custom Harness
Compatibility Chart
| Year Range | Make | Model | Style |
|---|
Description
Brake Control Unit
Mounting hardware and bracket
Vehicle specific Plug and Play Wiring Adapter
Fits The Following Vehicles
2003 - 2014 Toyota Tundra, All Styles
Brake Control Specs:
| Part Number | 83504 |
| Brand | Reese |
| Type | Time Actuated |
| Axles | 1 to 4 axle trailers |
| Warranty | Lifetime |
| Features: | Digital output indicator Small, compact design Up-front push buttons for Sync and Output Diagnostics for Overload, Open Ground Short Circuit Protected Mounts in any direction No leveling required |
| Installation Instructions | |
2-Plug Wiring Adapter Specs:
| Part Number | 3040 |
| Brand | Tekonsha |
| Warranty | 1 Year |
| Installation Instructions | |
Thank you for choosing Reese made by same people that brought you Tekonsha and Draw-Tite the most powerful manufacturers of electric trailer brake control systems. Our brake controls easily install on your vehicle. The custom 2-Plug adapter wiring which included in this purchase will simply plug into the back of the brake control and the other end plugs into a matching connection point on your vehicle. There is no splicing or extra work involved, it is a very easy process. All parts in our store are sold at a discount. If you have any questions please do not hesitate to give us a call at 702-374-8999. We will match or beat anyones price.
Partial list of fitment years: 03 04 05 06 07 08 09 10 11 12 13 14 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014
Get Expert Help
Trailer Brake Control for 03-14 Toyota Tundra 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 Number 304000
Tools Required:
- Drill with 3/32” Bit (if needed)
- Phillips Head Screwdriver
Step-by-Step Instructions:
Step 1: Locate the Vehicle’s Electric Brake Control Harness
- Locate the electric brake control harness:
- Underneath and left of the steering column, taped to another harness near the emergency brake pedal.
- The harness features a 5-pin connector matching the adapter plug.
Step 2: Secure the Ground Wire
- Find a suitable grounding point near the harness, such as:
- An existing ground stud, or
- If necessary, drill a 3/32” hole into a metal surface.
- Use the provided eyelet and screw to secure the white ground wire to the grounding point.
- CAUTION: Do not drill into the vehicle floor or bed.
- Clean dirt, rust, or rustproofing from the area before securing.
Step 3: Connect the Adapter
- Plug the brake control adapter into the 5-pin connector of the vehicle’s electric brake control harness.
- Follow the brake control manufacturer’s installation instructions to:
- Wire the adapter to the brake controller, and
- Mount the brake controller securely as instructed.
Final Step: Test the Installation
- Follow the test procedures provided by the brake controller manufacturer to confirm proper operation.
Warnings:
- Circuit Overload Can Cause Fires:
- DO NOT exceed the lower of:
- Vehicle towing capacity specified by the manufacturer, or
- Maximum Capacity: 4 axles / 8 brakes (24 amps).
- DO NOT exceed the lower of:
- Read and follow the vehicle’s owner’s manual and the brake control instructions.
Safety Notes:
- Always wear safety glasses during installation.
- Periodically inspect all wiring and connections for signs of damage or wear.
- Ensure wires are routed away from:
- Sharp edges
- Moving components
- Hot surfaces
End of Instructions
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.
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