Installation Instructions for Trailer Hitch

Part Numbers:

• 76112
• 84112
• CQT76112

Applications:

• Years: 2011-Current
  • Make and Models: Toyota Sienna

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.

Tools Required:

• Ratchet
• Torque Wrench
• Safety Glasses
• Sockets: 10 mm, 19 mm
• Flat Head Screwdriver
• Utility Knife
• Marker or Tape
• Lubricant or Soapy Water
• Exhaust Removal Pliers or Pry Bar
• 6" Socket Extension
• Small Phillips Screwdriver

Step-by-Step Instructions:

1. Mark Centerline on Appearance Panel:

• Use a marker or tape to mark the centerline of the appearance panel.

2. Remove Appearance Panel:

• Remove (5) Phillips screws, (9) plastic rivets, and (4) plastic screws with a flat head screwdriver.
  • Tip: Pull on the panel to ease removal.

3. Lower Exhaust:

• Detach the exhaust from the rubber isolators to lower it.
  • Spray lubricant or soapy water on the metal hanger rods and isolators to facilitate removal.

4. Remove Plugs and Tape:

• Remove (1) rubber plug from each side of the frame and any tape covering the weld nuts (3 per side).
  • Run bolts from the fastener kit into the weld nuts to confirm no interference.

5. Open Rear Hatch:

• Remove (2) plastic rivets (1 per side) and (2) small bolts (1 per side) from the rear hatch area.

6. Remove Wheel Well Screws:

• Remove (1) Phillips screw per side from the lower attaching points between the rear fascia and rear side panel.

7. Remove Lower Rear Fascia:

• Gently pull up from the rear wheel well panels to unclip tabs inside and work toward the rear.
  • Disconnect any wiring harnesses from the fascia, if present, and set the fascia aside.

8. Install the Hitch:

• Raise the hitch into position and align it with the existing weld nuts on the frame.
• Secure using (6) hex bolts, (6) lock washers, and (6) flat washers.
  • Push the hitch toward the driver’s side before tightening fasteners.

9. Tighten Fasteners:

• Torque all M12 CL10.9 fasteners to 75 lb-ft (102 N·m).

10. Reattach Exhaust:

• Reinstall the exhaust back onto the rubber isolators.

11. Reinstall Fascia:

• Reinstall the rear fascia starting from the center and working outward.
  • Reattach all fasteners and any wiring harnesses in reverse order of removal.

12. Trim or Reinstall Appearance Panel:

• If necessary, trim the appearance panel as shown in the instructions.
  • Obtain the owner’s permission before trimming.
  • Reinstall the panel if it has been trimmed.

Hardware List:

• 6 × Hex Bolts (M12 × 1.25 × 40 mm, CL10.9)
• 6 × Lock Washers (1/2")
• 6 × Flat Washers (1/2")

Safety Notes:

• Always wear safety glasses during installation.
• Proper torque is essential to secure the hitch to the vehicle.
• Check the hitch frequently to ensure all fasteners and the hitch ball are securely tightened.
• Plug any holes in the trunk pan or body panels if the hitch is removed to prevent water or exhaust fumes from entering.
• Do not cut access or attachment holes with a torch.

Specifications:

• Max Gross Trailer Weight (Weight Carrying/Weight Distributing): 3,500 lbs (1,589 kg)
• Max Tongue Weight (Weight Carrying/Weight Distributing): 525 lbs (239 kg)
• Installation Time: Approximately 60 minutes

This product complies with V.E.S.C. Regulation V-5 and SAE J684 safety specifications for towing systems.

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.

Warranty Information:

For complete warranty instructions, please download the full installation PDF.

Installation Instructions for T-One® T-Connector for Toyota Sienna

Part Numbers:

• 118648

Tools Required:

• 10mm Socket & Ratchet or 10mm Wrench
• 12mm Socket & Ratchet or 12mm Wrench
• Phillips Head Screwdriver
• Test Probe
• Drill (3/32” Drill Bit)
• Wire Crimpers
• Wire Cutters
• Trim Panel Remover

Step-by-Step Instructions:

1. Remove the Taillight Assemblies:

   • Open the rear tailgate to access the bolts holding the taillights.
   • Remove the bolts and carefully pull the taillights rearward, being careful not to damage the alignment tabs.
   • Repeat for the passenger side.

2. Disconnect the Wiring Harness:

   • On both sides, locate the vehicle’s taillight wiring harness.
   • Disconnect the connectors carefully, ensuring not to damage the locking tabs.
   • Clean the connector surfaces to ensure proper connection.

3. Remove Interior Components:

   • Temporarily remove the threshold plate by taking out the cargo clips.
   • Remove the jack storage compartment door on the passenger side.
   • Use a trim panel removal tool to carefully pull back the interior trim panels on both sides.

4. Mount the T-One® Connector Black Box:

   • On the passenger side, mount the black box using the provided double-sided tape.

5. Connect the Passenger-Side T-Connector:

   • Attach the T-One® Connector ends (green wires and brown/red wires) between the vehicle’s taillight wiring harness connectors on the passenger side.

6. Route the Driver-Side T-Connector:

   • Route the yellow wire T-Connector across the threshold to the driver’s side.
   • Insert the yellow wire connector into the vehicle’s taillight wiring connector and lock it into place.

7. Ground the White Wire:

   • Ground the white wire by placing the ring terminal under an existing screw or by drilling a 3/32” hole and securing it with a self-tapping screw.

   Caution: Ensure all other ground connections are secure when removing and reattaching the ground stud.

8. Connect the Power Wire:

   • Disconnect the vehicle’s negative (-) battery cable.
   • Remove the fuse from the yellow fuse holder.
   • Attach the ring terminal to the vehicle’s positive (+) battery cable.
   • Connect the other end of the fuse holder to the black 12-gauge wire using the yellow butt connector.

9. Route the Power Wire:

   • Route the black wire through a grommet and along the exterior frame or existing wiring into the engine compartment, avoiding areas that could pinch or damage the wire.

10. Connect the Power Wire to the Black Box:

    • Connect the black wire to the black power wire on the T-One® Connector black box using the yellow butt connector.

11. Reconnect the Battery:

    • Reconnect the vehicle’s negative (-) battery cable.
    • Install the 15-amp fuse into the fuse holder.
    • Test the installation with a test light or trailer.

    Note: Reset the vehicle electrical system by temporarily removing the key from the ignition.

12. Secure the Wiring:

    • Use the provided cable ties to secure all loose wires.
    • Ensure no wires are pinched or cut during reassembly.

13. Reassemble the Vehicle:

    • Reinstall the taillight assemblies, threshold, and other items removed during installation.
    • Store the 4-flat connector in the jack storage compartment when not in use.

Specifications:

• Max. stop/turn light: 2 per side (4.2 amps)
• Max. tail lights: 7.5 amps

Safety Notes:

• Overloading circuits can cause fires. Do not exceed the vehicle manufacturer’s ratings or the specified product ratings.
• Always wear safety glasses and follow all safety precautions during installation.

Manufacturer Notes:

• Refer to the vehicle owner’s manual for additional information.
• Store these instructions for future reference.

Installation Instructions for T-One® T-Connector for Toyota Sienna

Part Numbers:

• 118648

Tools Required:

• 10mm Socket & Ratchet or 10mm Wrench
• 12mm Socket & Ratchet or 12mm Wrench
• Phillips Head Screwdriver
• Test Probe
• Drill (3/32” Drill Bit)
• Wire Crimpers
• Wire Cutters
• Trim Panel Remover

Step-by-Step Instructions:

1. Remove the Taillight Assemblies:

   • Open the rear tailgate to access the bolts holding the taillights.
   • Remove the bolts and carefully pull the taillights rearward, being careful not to damage the alignment tabs.
   • Repeat for the passenger side.

2. Disconnect the Wiring Harness:

   • On both sides, locate the vehicle’s taillight wiring harness.
   • Disconnect the connectors carefully, ensuring not to damage the locking tabs.
   • Clean the connector surfaces to ensure proper connection.

3. Remove Interior Components:

   • Temporarily remove the threshold plate by taking out the cargo clips.
   • Remove the jack storage compartment door on the passenger side.
   • Use a trim panel removal tool to carefully pull back the interior trim panels on both sides.

4. Mount the T-One® Connector Black Box:

   • On the passenger side, mount the black box using the provided double-sided tape.

5. Connect the Passenger-Side T-Connector:

   • Attach the T-One® Connector ends (green wires and brown/red wires) between the vehicle’s taillight wiring harness connectors on the passenger side.

6. Route the Driver-Side T-Connector:

   • Route the yellow wire T-Connector across the threshold to the driver’s side.
   • Insert the yellow wire connector into the vehicle’s taillight wiring connector and lock it into place.

7. Ground the White Wire:

   • Ground the white wire by placing the ring terminal under an existing screw or by drilling a 3/32” hole and securing it with a self-tapping screw.

   Caution: Ensure all other ground connections are secure when removing and reattaching the ground stud.

8. Connect the Power Wire:

   • Disconnect the vehicle’s negative (-) battery cable.
   • Remove the fuse from the yellow fuse holder.
   • Attach the ring terminal to the vehicle’s positive (+) battery cable.
   • Connect the other end of the fuse holder to the black 12-gauge wire using the yellow butt connector.

9. Route the Power Wire:

   • Route the black wire through a grommet and along the exterior frame or existing wiring into the engine compartment, avoiding areas that could pinch or damage the wire.

10. Connect the Power Wire to the Black Box:

    • Connect the black wire to the black power wire on the T-One® Connector black box using the yellow butt connector.

11. Reconnect the Battery:

    • Reconnect the vehicle’s negative (-) battery cable.
    • Install the 15-amp fuse into the fuse holder.
    • Test the installation with a test light or trailer.

    Note: Reset the vehicle electrical system by temporarily removing the key from the ignition.

12. Secure the Wiring:

    • Use the provided cable ties to secure all loose wires.
    • Ensure no wires are pinched or cut during reassembly.

13. Reassemble the Vehicle:

    • Reinstall the taillight assemblies, threshold, and other items removed during installation.
    • Store the 4-flat connector in the jack storage compartment when not in use.

Specifications:

• Max. stop/turn light: 2 per side (4.2 amps)
• Max. tail lights: 7.5 amps

Safety Notes:

• Overloading circuits can cause fires. Do not exceed the vehicle manufacturer’s ratings or the specified product ratings.
• Always wear safety glasses and follow all safety precautions during installation.

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.

Manufacturer Notes:

• Refer to the vehicle owner’s manual for additional information.
• Store these instructions for future reference.

Warranty Information:

For complete warranty instructions, please download the full installation PDF.