Installation Instructions for Lexus GX460

Part Numbers:

• 75685
• 87580
• 44644
• 75209 (U-Haul)

Tools Required:

• Wrenches: 19mm
• Drill Bits: None

Wiring Access Location:

• N/A

Step-by-Step Instructions:

1. Position the Hitch:

   • Raise the hitch into position beneath the vehicle, aligning the attachment points with the existing weldnuts.

2. Install Fasteners:

   • Secure the hitch using four (4) M12 x 1.25 x 35mm CL8.8 hex bolts and four (4) 1/2” conical washers.
   • Hand-tighten fasteners initially.

3. Tighten Fasteners:

   • Use a torque wrench to tighten all M12 CL8.8 fasteners to 76 lb-ft (103 N·m).

Hardware List:

• (4) M12 x 1.25 x 35mm CL8.8 Hex Bolts
• (4) 1/2” Conical Washers

Safety Notes:

• Check the hitch frequently to ensure all fasteners and the ball are properly tightened.
• If the hitch is removed, plug all holes in the trunk pan or other body panels to prevent water and exhaust fumes from entering.
• Replace any damaged hitch or ball immediately.
• Follow safety precautions when working beneath the vehicle, and wear eye protection.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type and Weight Ratings:
  • Weight Distributing: Max Trailer Weight 5,000 lbs (2,270 kg), Max Tongue Weight 500 lbs (227 kg).
  • Weight Carrying (Ball Mount): Max Trailer Weight 5,000 lbs (2,270 kg), Max Tongue Weight 500 lbs (227 kg).
• Complies with safety specifications and requirements for connecting devices and towing systems of the State of New York, V.E.S.C. Regulation V-5, and SAE J684.

Additional Notes:

• This hitch is compatible with the Lexus GX460.
• Ensure all fasteners are tightened to the specified torque for safe operation.

Installation Instructions for T-One® T-Connector for Toyota 4-Runner and Lexus GX460

Part Numbers:

• 118262

Tools Required:

• Test Probe

Step-by-Step Instructions:

1. Locate the Vehicle’s Wiring Harness:

   • Find the 3-Pin and 4-Pin plugs located in the rear, underneath the vehicle, inside the driver’s side frame rail.
   • Ensure these connectors will mate to the end of the tow plugs.

2. Prepare the Tow Harness:

   • Remove the factory tow harness protective caps.
   • Check if the mating surface is clean and free of dirt; clean if necessary.

3. Connect the Tow Plugs:

   • Insert the tow plugs into the connectors.
   • Be careful not to damage the locking tabs and ensure the connectors are fully inserted with locking tabs in place.

4. Route the T-Connector Harness:

   • Route the T-Connector harness along the inside of the bumper toward the center of the vehicle.
   • Warning: Avoid routing the wire near hot pipes, heat shields, the fuel tank, or any other points that may pinch or damage the wire.

5. Connect the 7-Way Socket:

   • Plug the 7-way socket (provided) into the Trailer Tow Harness.
   • Warning: Secure all loose wires and mount the Trailer Tow Harness in an accessible location using a bracket or electrical box (not included).

6. Test the Installation:

   • Ensure all connections are complete for the T-Connector to function properly.
   • Test and verify installation with a test light or trailer.
   • Warning: Do not exceed the manufacturer’s fuse rating. Refer to the vehicle owner’s manual and instruction sheet for additional information.

Safety Notes:

• Always wear safety glasses and use all safety precautions during installation.
• Follow all vehicle warnings and installation instructions.
• Do not exceed the manufacturer’s stated product ratings or the vehicle’s specified fuse ratings.

Manufacturer Notes:

• Store these instructions for future reference.
• Consult the vehicle owner’s manual and instruction sheet for additional details.

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

1. 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

1. 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.
2. 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

1. Plug the brake control adapter into the 5-pin connector of the vehicle’s electric brake control harness.
2. 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

1. Follow the test procedures provided by the brake controller manufacturer to confirm proper operation.

Warnings:

1. 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).
2. 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 and Operation Instructions for the P3 Electronic Brake Control

Specifications:

• Supports 2, 4, 6, and 8 brake applications.
• Utilizes proportional braking with an inertial sensor.

Tools Required:

• Drill with a 1/8" bit.
• Screwdriver or nut driver.
• Wire crimp tool.
• Probe-type circuit tester.

Safety Notes:

1. Avoid mounting or activating RF-generating devices (e.g., cell phones) within 12 inches of the brake control.
2. Always adhere to the vehicle's Gross Combined Weight Rating (GCWR).
3. Do not use the Boost feature during icy or slippery road conditions.
4. Disconnect the trailer plug before testing a breakaway switch to prevent damage.

Hardware List:

• P3 Brake Control Unit.
• Mounting bracket.
• Wiring harness.
• #8 x 3/8" self-tapping screws.

Installation Instructions:

Mounting the Brake Control:

1. Traditional Bracket Mount:

   • Secure the bracket to a solid surface using the provided screws.
   • Attach the brake control unit and adjust to the desired angle.
   • Tighten screws securely.

2. Under Dash Pocket Mount:

   • Secure the small metal bracket with screws to a flat surface.
   • Attach the T-slot mount to the metal bracket and insert the brake control.

Wiring the Brake Control:

• Option 1: Use the included pigtail wiring harness for a generic installation.
• Option 2: Use an OEM-specific wiring harness compatible with the vehicle's tow package.
• Wire Functions:
  • Black: Positive power (+12V).
  • White: Vehicle ground.
  • Red: Cold side of brake pedal switch.
  • Blue: Trailer brakes output.

Setting Up the Control:

1. Connect the trailer to the vehicle.
2. Use the Menu/Options button to access the setup screen.
3. Select the brake type:
   • Electric: For electric brakes.
   • Hydraulic: For electric over hydraulic braking systems.
4. Adjust the power output to ensure effective braking without wheel lock-up.

Boost Feature:

• Provides enhanced braking sensitivity.
• Available in three levels:
  • B1: Light braking boost.
  • B2: Moderate braking boost.
  • B3: Aggressive braking boost.
• Recommended for heavier trailers or varying load conditions.

Reverse Mode:

• Cancel Boost and Hold features for 3 minutes by pressing and holding the Boost button for 5 seconds while holding the brake pedal.

Troubleshooting Guide:

Maintenance:

• Inspect connections and wiring regularly for damage or wear.
• Adjust trailer brakes after the first 200 miles of use and every 3,000 miles thereafter.
• Clean the brake control unit periodically to maintain optimal performance.

Warranty Information:

• Limited Lifetime Warranty:
  • Covers defects in materials and workmanship under normal use.
  • Excludes damage caused by misuse, improper installation, or external factors.
• Attention: For complete warranty instructions, please download the full installation PDF.

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.