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.