Installation Instructions for T-One® T-Connector for Ford Maverick

Part Numbers:

• 118866

Tools Required:

• 8mm Socket & Ratchet or 8mm Wrench
• Drill (3/32” Drill Bit)
• Wire Crimpers
• Wire Cutters
• Phillips Head Screwdriver
• Test Probe

Step-by-Step Instructions:

1. Open the Tailgate:

   • Remove the 8mm bolts securing the taillight assemblies on both the driver’s and passenger’s sides.
   • Carefully remove the taillights, ensuring not to damage the locking tabs. Set the taillights aside.

2. Disconnect the Wiring Harness:

   • Disconnect the vehicle wiring harness from both taillight assemblies.
   • Ensure all connectors are clean and free of dirt.

3. Route the Driver-Side T-Connector:

   • Route the harness containing the yellow wire up through the opening between the bed side and frame into the driver’s side taillight pocket.
   • Use a fish wire to guide the harness through the taillight pocket and bed side for ease of installation.

4. Connect the Driver-Side T-Connector:

   • Insert the T-One® Connector end with the yellow wire between the driver-side wiring connectors.
   • Ensure all connector surfaces are clean and secure the locking tabs.

5. Mount the Black Box:

   • Underneath the vehicle, below the driver’s side taillight pocket, mount the T-One® Connector black box using the provided double-sided tape.
   • Ensure the epoxy side of the module faces downward to prevent water accumulation.

6. Ground the White Wire:

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

   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 behind the rear bumper to the passenger side.
   • Guide the harness up through the opening between the bed side and frame into the passenger’s side taillight pocket.

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 secure the locking tabs.

9. Route the Power Wire:

   • Disconnect the vehicle’s Negative (-) battery cable.
   • Remove the fuse from the provided 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 provided yellow butt connector.

10. Install the Power Wire:

    • Route the black 12-gauge wire along the vehicle’s frame rail to the engine compartment.
    • Avoid routing near hot pipes, heat shields, or areas that may pinch or damage the wire.

11. Connect the Power Wire to the Black Box:

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

12. Reconnect the Battery and Test:

    • Reconnect the Negative (-) battery cable and 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:

    • Reinstall the taillight assemblies, trim panels, and any other components removed during installation.
    • Ensure no wires are pinched or damaged.

14. Secure the Harness:

    • Use cable ties to secure any loose wires and mount the trailer tow harness in an accessible location using a bracket or electrical box.

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 follow warnings and instructions printed on the tow vehicle’s battery.

Installation Instructions for T-One® T-Connector for Ford Maverick

Part Numbers:

• 118866

Tools Required:

• 8mm Socket & Ratchet or 8mm Wrench
• Drill (3/32” Drill Bit)
• Wire Crimpers
• Wire Cutters
• Phillips Head Screwdriver
• Test Probe

Step-by-Step Instructions:

1. Open the Tailgate:

   • Remove the 8mm bolts securing the taillight assemblies on both the driver’s and passenger’s sides.
   • Carefully remove the taillights, ensuring not to damage the locking tabs. Set the taillights aside.

2. Disconnect the Wiring Harness:

   • Disconnect the vehicle wiring harness from both taillight assemblies.
   • Ensure all connectors are clean and free of dirt.

3. Route the Driver-Side T-Connector:

   • Route the harness containing the yellow wire up through the opening between the bed side and frame into the driver’s side taillight pocket.
   • Use a fish wire to guide the harness through the taillight pocket and bed side for ease of installation.

4. Connect the Driver-Side T-Connector:

   • Insert the T-One® Connector end with the yellow wire between the driver-side wiring connectors.
   • Ensure all connector surfaces are clean and secure the locking tabs.

5. Mount the Black Box:

   • Underneath the vehicle, below the driver’s side taillight pocket, mount the T-One® Connector black box using the provided double-sided tape.
   • Ensure the epoxy side of the module faces downward to prevent water accumulation.

6. Ground the White Wire:

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

   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 behind the rear bumper to the passenger side.
   • Guide the harness up through the opening between the bed side and frame into the passenger’s side taillight pocket.

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 secure the locking tabs.

9. Route the Power Wire:

   • Disconnect the vehicle’s Negative (-) battery cable.
   • Remove the fuse from the provided 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 provided yellow butt connector.

10. Install the Power Wire:

    • Route the black 12-gauge wire along the vehicle’s frame rail to the engine compartment.
    • Avoid routing near hot pipes, heat shields, or areas that may pinch or damage the wire.

11. Connect the Power Wire to the Black Box:

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

12. Reconnect the Battery and Test:

    • Reconnect the Negative (-) battery cable and 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:

    • Reinstall the taillight assemblies, trim panels, and any other components removed during installation.
    • Ensure no wires are pinched or damaged.

14. Secure the Harness:

    • Use cable ties to secure any loose wires and mount the trailer tow harness in an accessible location using a bracket or electrical box.

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.