Installation Instructions for T-One® T-Connector for Acura TLX

Part Numbers:

• 118857

Tools Required:

• Trim Panel Remover
• 8mm Socket & Ratchet or 8mm Wrench
• Drill (3/32” Drill Bit)
• Wire Crimpers
• Wire Cutters
• Test Probe

Step-by-Step Instructions:

1. Locate the Vehicle Wiring:

   • Open the rear hatch and partially remove the plastic threshold cover and cargo trays.
   • Pull back the felt liner to expose the vehicle’s taillight wiring harness.

2. Remove Taillight Assemblies:

   • Using an 8mm socket or wrench, remove the driver’s and passenger’s taillight assemblies.
   • Be careful not to break any mounting tabs. Set the taillights aside.

3. Prepare Grommets:

   • On both the driver’s and passenger’s sides, slit the grommet to allow the T-Connector’s wiring to pass through.
   • Optionally, apply silicone sealant to the grommet after installation to prevent environmental intrusion.

4. Connect the Driver-Side T-Connector:

   • Insert the T-One® Connector end with the yellow wire through the slit in the grommet.
   • Connect the T-One® Connector end with the yellow wire between the driver-side wiring connectors.
   • Ensure the connectors are fully inserted with locking tabs secured.

5. Mount the T-One® Black Box:

   • Mount the black box using the provided double-sided tape.
   • Secure the remaining T-One® Connector harness with cable ties, avoiding areas where the wire could be pinched, cut, or damaged.

6. Ground the White Wire:

   • Locate a suitable grounding point near the black box, such as an existing ground stud, or drill a 3/32” hole.
   • Secure the white wire using the provided eyelet and screw.
   • Clean the grounding area of dirt and rustproofing before securing.

   Caution: Verify what is behind any surface before drilling to avoid damage or injury.

7. Route the Passenger-Side T-Connector:

   • Route the T-One® Connector harness containing the green wire behind the panels and along the threshold to the passenger-side taillight pocket.
   • Insert the green wire through the slit in the passenger-side grommet.

8. Connect the Passenger-Side T-Connector:

   • Insert the T-One® Connector end with the green wire between the passenger-side wiring connectors.
   • Ensure the connectors are fully inserted with locking tabs secured.

9. Route the Power Wire:

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

10. Connect the Power Wire to the Black Box:

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

11. Reconnect the Battery and Test:

    • Reconnect the Negative (-) battery cable.
    • Install 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.

12. Reassemble the Vehicle:

    • Reinstall all trim panels, cargo trays, and other items removed during installation.
    • Ensure no wires are pinched or damaged.

13. Store the 4-Flat Connector:

    • Store the 4-flat connector in the rear cargo area when not in use.

Safety Notes:

• Overloading circuits can cause fires. Do not exceed stated product ratings.
• Always wear safety glasses and follow all 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 Acura TLX

Part Numbers:

• 118857

Tools Required:

• Trim Panel Remover
• 8mm Socket & Ratchet or 8mm Wrench
• Drill (3/32” Drill Bit)
• Wire Crimpers
• Wire Cutters
• Test Probe

Step-by-Step Instructions:

1. Locate the Vehicle Wiring:

   • Open the rear hatch and partially remove the plastic threshold cover and cargo trays.
   • Pull back the felt liner to expose the vehicle’s taillight wiring harness.

2. Remove Taillight Assemblies:

   • Using an 8mm socket or wrench, remove the driver’s and passenger’s taillight assemblies.
   • Be careful not to break any mounting tabs. Set the taillights aside.

3. Prepare Grommets:

   • On both the driver’s and passenger’s sides, slit the grommet to allow the T-Connector’s wiring to pass through.
   • Optionally, apply silicone sealant to the grommet after installation to prevent environmental intrusion.

4. Connect the Driver-Side T-Connector:

   • Insert the T-One® Connector end with the yellow wire through the slit in the grommet.
   • Connect the T-One® Connector end with the yellow wire between the driver-side wiring connectors.
   • Ensure the connectors are fully inserted with locking tabs secured.

5. Mount the T-One® Black Box:

   • Mount the black box using the provided double-sided tape.
   • Secure the remaining T-One® Connector harness with cable ties, avoiding areas where the wire could be pinched, cut, or damaged.

6. Ground the White Wire:

   • Locate a suitable grounding point near the black box, such as an existing ground stud, or drill a 3/32” hole.
   • Secure the white wire using the provided eyelet and screw.
   • Clean the grounding area of dirt and rustproofing before securing.

   Caution: Verify what is behind any surface before drilling to avoid damage or injury.

7. Route the Passenger-Side T-Connector:

   • Route the T-One® Connector harness containing the green wire behind the panels and along the threshold to the passenger-side taillight pocket.
   • Insert the green wire through the slit in the passenger-side grommet.

8. Connect the Passenger-Side T-Connector:

   • Insert the T-One® Connector end with the green wire between the passenger-side wiring connectors.
   • Ensure the connectors are fully inserted with locking tabs secured.

9. Route the Power Wire:

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

10. Connect the Power Wire to the Black Box:

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

11. Reconnect the Battery and Test:

    • Reconnect the Negative (-) battery cable.
    • Install 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.

12. Reassemble the Vehicle:

    • Reinstall all trim panels, cargo trays, and other items removed during installation.
    • Ensure no wires are pinched or damaged.

13. Store the 4-Flat Connector:

    • Store the 4-flat connector in the rear cargo area when not in use.

Safety Notes:

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