Installation Instructions for T-One® T-Connector for Ford Full Size Bronco

Part Numbers:

• 118849

Tools Required:

• Trim Panel Remover
• 10mm Socket & Ratchet or 10mm Wrench
• Drill (3/32” Drill Bit)
• 1/4” Socket
• Wire Crimpers
• Wire Cutters
• Phillips Head Screwdriver
• Test Probe

Step-by-Step Instructions:

1. Open the Rear Door:

   • Locate the protective covers next to each taillight.
   • Starting on the driver’s side, remove the four Phillips screws securing the cover with a trim panel remover.
   • Use a 10mm socket to remove the two bolts. Carefully remove the cover and set it aside to expose the taillight connectors.
   • Repeat for the passenger side.

2. Disconnect the Wiring Harness:

   • On both sides of the vehicle, locate and disconnect the taillight wiring harness.
   • Be careful not to damage the locking tabs. Ensure all connectors are clean and free of dirt.

3. Connect the Driver-Side T-Connector:

   • Insert the T-One® Connector end with the yellow wire between the driver-side wiring connectors.
   • Ensure the connectors are fully inserted and the locking tabs are engaged.

4. Mount the Black Box:

   • On the driver’s side, mount the T-One® Connector black box in the area above and behind the taillight using the provided double-sided tape.
   • Ensure the epoxy side of the module is pointed downward to prevent water buildup.

5. Ground the White Wire:

   • Locate a suitable grounding point near the black box, such as the vehicle’s frame or crossmember.
   • Clean the grounding area of dirt and rustproofing. Drill a 3/32” hole and secure the white wire using the provided eyelet and screw.

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

6. Route the Passenger-Side T-Connector:

   • Route the green wire and 4-flat connector down through the opening between the bumper and the body.
   • Route the green wire to the passenger’s side and insert it up through the opening. Avoid hot pipes, heat shields, or other areas that could damage the wire.

7. 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 and the locking tabs are engaged.

8. Route the Power Wire:

   • Locate the black power wire on the T-One® Connector black box.
   • Connect the black 12-gauge wire and route it along the vehicle’s frame to the engine compartment. Avoid pinch points and areas near hot pipes, heat shields, or the fuel tank.

9. Connect to the Vehicle Battery:

   • Disconnect the vehicle’s Negative (-) battery cable.
   • Remove the fuse from the yellow fuse holder and attach the 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.

   Warning: Always follow all warnings printed on the tow vehicle’s battery.

10. Reconnect the Battery and Test:

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

11. Secure the Harness:

    • Use the provided cable ties to secure the remaining harness, avoiding areas where the wires could be pinched, cut, or melted.

12. Reinstall Covers:

    • Replace the protective covers and other items removed during installation.
    • Ensure no wires are pinched or damaged.

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.
• Always read and follow all warnings and instructions printed on the tow vehicle’s battery.

Installation Instructions for T-One® T-Connector for Ford Full Size Bronco

Part Numbers:

• 118849

Tools Required:

• Trim Panel Remover
• 10mm Socket & Ratchet or 10mm Wrench
• Drill (3/32” Drill Bit)
• 1/4” Socket
• Wire Crimpers
• Wire Cutters
• Phillips Head Screwdriver
• Test Probe

Step-by-Step Instructions:

1. Open the Rear Door:

   • Locate the protective covers next to each taillight.
   • Starting on the driver’s side, remove the four Phillips screws securing the cover with a trim panel remover.
   • Use a 10mm socket to remove the two bolts. Carefully remove the cover and set it aside to expose the taillight connectors.
   • Repeat for the passenger side.

2. Disconnect the Wiring Harness:

   • On both sides of the vehicle, locate and disconnect the taillight wiring harness.
   • Be careful not to damage the locking tabs. Ensure all connectors are clean and free of dirt.

3. Connect the Driver-Side T-Connector:

   • Insert the T-One® Connector end with the yellow wire between the driver-side wiring connectors.
   • Ensure the connectors are fully inserted and the locking tabs are engaged.

4. Mount the Black Box:

   • On the driver’s side, mount the T-One® Connector black box in the area above and behind the taillight using the provided double-sided tape.
   • Ensure the epoxy side of the module is pointed downward to prevent water buildup.

5. Ground the White Wire:

   • Locate a suitable grounding point near the black box, such as the vehicle’s frame or crossmember.
   • Clean the grounding area of dirt and rustproofing. Drill a 3/32” hole and secure the white wire using the provided eyelet and screw.

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

6. Route the Passenger-Side T-Connector:

   • Route the green wire and 4-flat connector down through the opening between the bumper and the body.
   • Route the green wire to the passenger’s side and insert it up through the opening. Avoid hot pipes, heat shields, or other areas that could damage the wire.

7. 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 and the locking tabs are engaged.

8. Route the Power Wire:

   • Locate the black power wire on the T-One® Connector black box.
   • Connect the black 12-gauge wire and route it along the vehicle’s frame to the engine compartment. Avoid pinch points and areas near hot pipes, heat shields, or the fuel tank.

9. Connect to the Vehicle Battery:

   • Disconnect the vehicle’s Negative (-) battery cable.
   • Remove the fuse from the yellow fuse holder and attach the 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.

   Warning: Always follow all warnings printed on the tow vehicle’s battery.

10. Reconnect the Battery and Test:

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

11. Secure the Harness:

    • Use the provided cable ties to secure the remaining harness, avoiding areas where the wires could be pinched, cut, or melted.

12. Reinstall Covers:

    • Replace the protective covers and other items removed during installation.
    • Ensure no wires are pinched or damaged.

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.