Installation Instructions for T-One® T-Connector for Hyundai Genesis

Part Numbers:

• 118851

Tools Required:

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

Step-by-Step Instructions:

1. Open the Hatch:

   • Locate and remove trim panels covering the taillights.
   • Use a 10mm socket to remove the mounting screws on both driver’s and passenger’s taillights.
   • Carefully remove the trim panels, ensuring not to damage the mounting tabs.

2. Disconnect the Wiring Harness:

   • Disconnect the vehicle wiring harness from both taillight sockets.
   • Set the taillights aside, ensuring not to damage the locking tabs.

3. Route the Driver-Side T-Connector:

   • Underneath the vehicle, route the harness containing the yellow wire up through the opening between the vehicle bumper and body to the driver’s side taillight pocket.
   • For ease of installation, use a fish wire to pull the harness through.

4. Connect the Driver-Side T-Connector:

   • Insert the T-One® Connector end with the yellow wire between the vehicle wiring connectors.
   • Ensure all connector surfaces are clean and free of dirt before locking them into place.

5. Mount the Black Box:

   • Locate a mounting point behind the rear bumper fascia on the passenger’s side.
   • Mount the T-One® Connector black box using the provided double-sided tape, ensuring the epoxy side faces downward to prevent water accumulation.

6. Ground the White Wire:

   • Locate a suitable grounding point near the connector, such as an existing ground stud.
   • Drill a 3/32” hole and secure the white wire using the provided eyelet and screw.
   • Clean dirt and rustproofing from the grounding area before securing.

   Caution: Verify the area behind the surface before drilling to avoid damage or injury.

7. Route the Passenger-Side T-Connector:

   • Route the harness containing the green wire underneath the vehicle up through the opening between the rear fascia and body to the passenger’s side taillight pocket.
   • Use a fish wire for easier routing.

8. Connect the Passenger-Side T-Connector:

   • Insert the T-One® Connector end with the green wire between the passenger-side wiring connectors.
   • Ensure all connector surfaces are clean and securely locked in place.

9. Access the Rear Battery Area:

   • Remove the rear cargo area threshold, cargo trays, and other trim panels to access the battery.

10. Connect the Power Wire:

    • Disconnect the vehicle’s Negative (-) battery cable.
    • Attach the provided ring terminal to the Positive (+) battery cable.
    • Connect the other end of the fuse holder to the black 12-gauge wire using the provided yellow butt connector.
    • Route the black 12-gauge wire through a slit in the floor grommet and seal with silicone after routing.

11. Connect the Power Wire to the Black Box:

    • Attach the black 12-gauge wire to the power wire on the T-One® Connector black box using the yellow butt connector provided.

12. Reconnect the Battery and Test:

    • Reconnect the Negative (-) battery cable.
    • Insert the 15-amp fuse into the fuse holder.
    • Test the installation using a test light or trailer. Reset the vehicle’s electrical system by temporarily removing the key from the ignition.

13. Reassemble the Vehicle:

    • Replace all trim panels, thresholds, and other components removed during installation.
    • Ensure no wires are pinched or damaged.

14. Secure the 4-Flat Connector:

    • Store the 4-flat connector in the rear cargo area when not in use.
    • When towing, pull the connector out and route it carefully to avoid pinching in the door latch.

Safety Notes:

• Overloading circuits can cause fires. Do not exceed stated product ratings.
• Always wear safety glasses and follow safety precautions during installation.

Manufacturer Notes:

• Refer to the vehicle owner’s manual and the instruction sheet for additional details.
• Store these instructions for future reference.
• Follow all warnings and instructions printed on the tow vehicle’s battery.

Installation Instructions for T-One® T-Connector for Hyundai Genesis

Part Numbers:

• 118851

Tools Required:

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

Step-by-Step Instructions:

1. Open the Hatch:

   • Locate and remove trim panels covering the taillights.
   • Use a 10mm socket to remove the mounting screws on both driver’s and passenger’s taillights.
   • Carefully remove the trim panels, ensuring not to damage the mounting tabs.

2. Disconnect the Wiring Harness:

   • Disconnect the vehicle wiring harness from both taillight sockets.
   • Set the taillights aside, ensuring not to damage the locking tabs.

3. Route the Driver-Side T-Connector:

   • Underneath the vehicle, route the harness containing the yellow wire up through the opening between the vehicle bumper and body to the driver’s side taillight pocket.
   • For ease of installation, use a fish wire to pull the harness through.

4. Connect the Driver-Side T-Connector:

   • Insert the T-One® Connector end with the yellow wire between the vehicle wiring connectors.
   • Ensure all connector surfaces are clean and free of dirt before locking them into place.

5. Mount the Black Box:

   • Locate a mounting point behind the rear bumper fascia on the passenger’s side.
   • Mount the T-One® Connector black box using the provided double-sided tape, ensuring the epoxy side faces downward to prevent water accumulation.

6. Ground the White Wire:

   • Locate a suitable grounding point near the connector, such as an existing ground stud.
   • Drill a 3/32” hole and secure the white wire using the provided eyelet and screw.
   • Clean dirt and rustproofing from the grounding area before securing.

   Caution: Verify the area behind the surface before drilling to avoid damage or injury.

7. Route the Passenger-Side T-Connector:

   • Route the harness containing the green wire underneath the vehicle up through the opening between the rear fascia and body to the passenger’s side taillight pocket.
   • Use a fish wire for easier routing.

8. Connect the Passenger-Side T-Connector:

   • Insert the T-One® Connector end with the green wire between the passenger-side wiring connectors.
   • Ensure all connector surfaces are clean and securely locked in place.

9. Access the Rear Battery Area:

   • Remove the rear cargo area threshold, cargo trays, and other trim panels to access the battery.

10. Connect the Power Wire:

    • Disconnect the vehicle’s Negative (-) battery cable.
    • Attach the provided ring terminal to the Positive (+) battery cable.
    • Connect the other end of the fuse holder to the black 12-gauge wire using the provided yellow butt connector.
    • Route the black 12-gauge wire through a slit in the floor grommet and seal with silicone after routing.

11. Connect the Power Wire to the Black Box:

    • Attach the black 12-gauge wire to the power wire on the T-One® Connector black box using the yellow butt connector provided.

12. Reconnect the Battery and Test:

    • Reconnect the Negative (-) battery cable.
    • Insert the 15-amp fuse into the fuse holder.
    • Test the installation using a test light or trailer. Reset the vehicle’s electrical system by temporarily removing the key from the ignition.

13. Reassemble the Vehicle:

    • Replace all trim panels, thresholds, and other components removed during installation.
    • Ensure no wires are pinched or damaged.

14. Secure the 4-Flat Connector:

    • Store the 4-flat connector in the rear cargo area when not in use.
    • When towing, pull the connector out and route it carefully to avoid pinching in the door latch.

Safety Notes:

• Overloading circuits can cause fires. Do not exceed stated product ratings.
• Always wear safety glasses and follow safety precautions during installation.

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.

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.