Installation Instructions for T-One® T-Connector for Jeep Grand Cherokee

Part Numbers:

• 118727

Tools Required:

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

Step-by-Step Instructions:

1. Access the Taillights:

   • Open the rear tailgate to access the screws securing the taillights.
   • On the driver’s side, remove the two clips holding the taillight in place.
   • Carefully pull the taillight away from the vehicle, avoiding damage to the alignment pins.
   • Repeat on the passenger side.

2. Connect the T-Connector:

   • Locate the black 3-pin connector behind the taillights.
   • Disconnect the vehicle’s wiring connectors carefully, ensuring not to break the locking tabs.
   • Insert the T-Connector end with the yellow wire between the driver-side wiring connectors and lock it in place.
   • Locate the black 2-pin connector and connect the T-Connector end with the brown wire.
   • Ensure all connectors are fully inserted and secure.

3. Route the Passenger-Side T-Connector:

   • Route the T-Connector end with the green wire and the 4-flat connector down through the opening between the bumper and body.
   • Route the green wire T-Connector up through the opening on the passenger side.
   • Connect the T-Connector with the green wire to the passenger-side wiring harness.

   Warning:

   • Avoid routing near hot pipes, heat shields, or fuel tanks to prevent wire damage.

4. Ground the White Wire:

   • Locate a suitable grounding point near the connector.
   • Clean the area of dirt and rustproofing.
   • Drill a 3/32” hole and secure the white wire with the provided eyelet and screw.

   Caution:

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

5. Connect the Power Wire:

   • Inside the vehicle’s trunk, connect the black 12-gauge wire to the black wire from the T-Connector black box using the provided yellow butt connector.

6. Connect to the Vehicle Battery:

   • Disconnect the negative (-) battery cable.
   • Remove the fuse from the yellow fuse holder.
   • Attach the fuse holder ring terminal to the positive (+) battery cable and connect the other end to the black wire using the yellow butt connector.
   • Insert the 15-amp fuse into the fuse holder.

   Warning:

   • Follow all warnings and instructions for handling the vehicle’s battery.

7. Reconnect the Battery:

   • Reconnect the negative (-) battery cable.
   • Test the installation with a test light or trailer.

8. Mount the Black Box:

   • Locate a flat, out-of-the-way surface to mount the T-One® T-Connector’s black box using the provided double-sided tape.

9. Secure the Wiring:

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

10. Reassemble the Vehicle:

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

11. Store the 4-Flat Connector:

    • Route the 4-flat connector to the center of the vehicle and mount it in an accessible location with a bracket or electrical box (not included).

Specifications:

• Max. stop/turn light: 7.5 amps
• Max. tail lights: 7.5 amps

Safety Notes:

• Overloading circuits can cause fires. Do not exceed the product’s stated ratings or the vehicle manufacturer's specifications.
• Always wear safety glasses and follow safety precautions during installation.

Manufacturer Notes:

• Refer to the vehicle owner’s manual and instruction sheet for additional details.
• Store these instructions for future reference.

Installation Instructions for T-One® T-Connector for Jeep Grand Cherokee

Part Numbers:

• 118727

Tools Required:

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

Step-by-Step Instructions:

1. Access the Taillights:

   • Open the rear tailgate to access the screws securing the taillights.
   • On the driver’s side, remove the two clips holding the taillight in place.
   • Carefully pull the taillight away from the vehicle, avoiding damage to the alignment pins.
   • Repeat on the passenger side.

2. Connect the T-Connector:

   • Locate the black 3-pin connector behind the taillights.
   • Disconnect the vehicle’s wiring connectors carefully, ensuring not to break the locking tabs.
   • Insert the T-Connector end with the yellow wire between the driver-side wiring connectors and lock it in place.
   • Locate the black 2-pin connector and connect the T-Connector end with the brown wire.
   • Ensure all connectors are fully inserted and secure.

3. Route the Passenger-Side T-Connector:

   • Route the T-Connector end with the green wire and the 4-flat connector down through the opening between the bumper and body.
   • Route the green wire T-Connector up through the opening on the passenger side.
   • Connect the T-Connector with the green wire to the passenger-side wiring harness.

   Warning:

   • Avoid routing near hot pipes, heat shields, or fuel tanks to prevent wire damage.

4. Ground the White Wire:

   • Locate a suitable grounding point near the connector.
   • Clean the area of dirt and rustproofing.
   • Drill a 3/32” hole and secure the white wire with the provided eyelet and screw.

   Caution:

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

5. Connect the Power Wire:

   • Inside the vehicle’s trunk, connect the black 12-gauge wire to the black wire from the T-Connector black box using the provided yellow butt connector.

6. Connect to the Vehicle Battery:

   • Disconnect the negative (-) battery cable.
   • Remove the fuse from the yellow fuse holder.
   • Attach the fuse holder ring terminal to the positive (+) battery cable and connect the other end to the black wire using the yellow butt connector.
   • Insert the 15-amp fuse into the fuse holder.

   Warning:

   • Follow all warnings and instructions for handling the vehicle’s battery.

7. Reconnect the Battery:

   • Reconnect the negative (-) battery cable.
   • Test the installation with a test light or trailer.

8. Mount the Black Box:

   • Locate a flat, out-of-the-way surface to mount the T-One® T-Connector’s black box using the provided double-sided tape.

9. Secure the Wiring:

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

10. Reassemble the Vehicle:

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

11. Store the 4-Flat Connector:

    • Route the 4-flat connector to the center of the vehicle and mount it in an accessible location with a bracket or electrical box (not included).

Specifications:

• Max. stop/turn light: 7.5 amps
• Max. tail lights: 7.5 amps

Safety Notes:

• Overloading circuits can cause fires. Do not exceed the product’s stated ratings or the vehicle manufacturer's specifications.
• Always wear safety glasses and follow safety precautions during installation.

Manufacturer Notes:

• Refer to the vehicle owner’s manual and instruction sheet for additional details.
• Store these instructions for future reference.

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.

Warranty Information:

For complete warranty instructions, please download the full installation PDF.

Note: Store the 4-flat connector in the rear cargo area when not in use to prevent damage.