Installation Instructions for Mercedes GLA 250 (2015-Present) and Infiniti QX30 (2017-Present, excluding Sport Models)

Part Numbers:

• 75223
• 44777
• CQT75223

Tools Required:

• Safety Glasses
• Ratchet
• Torque Wrench
• 6" Socket Extension
• Flat Head Screwdriver
• T30 and T40 Star Drivers
• Sockets: 8mm, 10mm, 16mm
• Silicone Sealant
• Tin Snips
• Plastic Trim Tools
• Marker

Weight Capacities:

• Weight Carrying:
  • Max Gross Trailer Weight: 3,500 lbs (1,589 kg)
  • Max Tongue Weight: 350 lbs (159 kg)
• Weight Distributing:
  • Not Applicable

Installation Time:

• Estimated: 90 minutes

Step-by-Step Instructions:

1. Remove Exhaust Tips:

• Use a T40 driver to remove (2) bolts from the bottom of the exhaust tips on each side.

2. Lower Exhaust:

• Use a 10mm socket to remove (1) bolt from each exhaust hanger bracket.
• Lower the muffler, ensuring it is supported during the process.

3. Remove Taillights:

• Open the trunk and remove (1) plastic wing nut inside on each side.
• Disconnect the wiring and carefully remove the taillights.

4. Loosen Heat Shield:

• Use an 8mm socket to remove (6) flange nuts securing the heat shield.
• Rest the heat shield on the muffler without removing it from the vehicle.

5. Remove Bumper Fascia:

• Use a 10mm socket and flat head screwdriver to remove:
  • (2) plastic rivets and (2) bolts at the bottom of the fascia per side.
  • (1) plastic rivet and (1) bolt at the rear wheel well trim panel per side.
• Gently unclip the rear wheel well trim panels and remove the fascia, ensuring all wiring is unplugged.

6. Remove Bumper Beam:

• Use a 16mm socket to remove (4) flange nuts inside the bumper panel on each side.
• Unclip wiring attached to the passenger-side bumper beam and remove the bumper.

7. Install Hitch:

• Apply silicone sealant around the openings on the end panels on each side.
• Align the hitch with the bumper beam's welded bolts and place them through the original bumper mounting holes.
• Loosely fasten the nuts.

8. Trim Heat Shield:

• Locate the center of the heat shield and trim a 2" tall x 4.5" wide area as shown in the diagram.
• Additional trimming may be needed.

9. Reassemble Components:

• Torque all bumper beam fasteners to 38 lb-ft (52 N·m).
• For Sport Models: Slightly trim the rear fascia bottom if necessary.
• Reinstall the heat shield, fascia, and exhaust system using the original hardware.

Safety Notes:

• Regularly check all fasteners to ensure the hitch is securely attached.
• If the hitch is removed, plug all holes in the trunk pan or body panels to prevent water or exhaust entry.
• Replace any damaged hitch or ball immediately.
• Always wear safety glasses and observe safety precautions when working beneath a vehicle.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type: Class II
• Compliance: This product meets safety specifications as per V.E.S.C. Regulation V-5 and SAE J684.

Note: Always adhere to the towing vehicle manufacturer’s weight rating or the hitch’s maximum load rating, whichever is lower.

Installation Instructions for Mercedes GLA 250 (2015-Present) and Infiniti QX30 (2017-Present, excluding Sport Models)

Part Numbers:

• 75223
• 44777
• CQT75223

Tools Required:

• Safety Glasses
• Ratchet
• Torque Wrench
• 6" Socket Extension
• Flat Head Screwdriver
• T30 and T40 Star Drivers
• Sockets: 8mm, 10mm, 16mm
• Silicone Sealant
• Tin Snips
• Plastic Trim Tools
• Marker

Weight Capacities:

• Weight Carrying:
  • Max Gross Trailer Weight: 3,500 lbs (1,589 kg)
  • Max Tongue Weight: 350 lbs (159 kg)
• Weight Distributing:
  • Not Applicable

Installation Time:

• Estimated: 90 minutes

Step-by-Step Instructions:

1. Remove Exhaust Tips:

• Use a T40 driver to remove (2) bolts from the bottom of the exhaust tips on each side.

2. Lower Exhaust:

• Use a 10mm socket to remove (1) bolt from each exhaust hanger bracket.
• Lower the muffler, ensuring it is supported during the process.

3. Remove Taillights:

• Open the trunk and remove (1) plastic wing nut inside on each side.
• Disconnect the wiring and carefully remove the taillights.

4. Loosen Heat Shield:

• Use an 8mm socket to remove (6) flange nuts securing the heat shield.
• Rest the heat shield on the muffler without removing it from the vehicle.

5. Remove Bumper Fascia:

• Use a 10mm socket and flat head screwdriver to remove:
  • (2) plastic rivets and (2) bolts at the bottom of the fascia per side.
  • (1) plastic rivet and (1) bolt at the rear wheel well trim panel per side.
• Gently unclip the rear wheel well trim panels and remove the fascia, ensuring all wiring is unplugged.

6. Remove Bumper Beam:

• Use a 16mm socket to remove (4) flange nuts inside the bumper panel on each side.
• Unclip wiring attached to the passenger-side bumper beam and remove the bumper.

7. Install Hitch:

• Apply silicone sealant around the openings on the end panels on each side.
• Align the hitch with the bumper beam's welded bolts and place them through the original bumper mounting holes.
• Loosely fasten the nuts.

8. Trim Heat Shield:

• Locate the center of the heat shield and trim a 2" tall x 4.5" wide area as shown in the diagram.
• Additional trimming may be needed.

9. Reassemble Components:

• Torque all bumper beam fasteners to 38 lb-ft (52 N·m).
• For Sport Models: Slightly trim the rear fascia bottom if necessary.
• Reinstall the heat shield, fascia, and exhaust system using the original hardware.

Safety Notes:

• Regularly check all fasteners to ensure the hitch is securely attached.
• If the hitch is removed, plug all holes in the trunk pan or body panels to prevent water or exhaust entry.
• Replace any damaged hitch or ball immediately.
• Always wear safety glasses and observe safety precautions when working beneath a vehicle.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type: Class II
• Compliance: This product meets safety specifications as per V.E.S.C. Regulation V-5 and SAE J684.

Note: Always adhere to the towing vehicle manufacturer’s weight rating or the hitch’s maximum load rating, whichever is lower.

Warranty Information:

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

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.

Installation Instructions for T-One® T-Connector for Infiniti QX30

Part Numbers:

• 118736

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. Prepare the Vehicle:

   • Open the tailgate and remove the cargo door on the floor.
   • Carefully remove the floor trim panels and access panels on both sides of the vehicle.
   • Set aside all items removed, ensuring no parts are damaged.

2. Locate the Taillight Wiring Harness:

   • Inside the access panel areas on both sides of the vehicle, locate the taillight wiring harness.
   • Disconnect the connectors carefully, ensuring not to break the locking tabs. Ensure all connector surfaces 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 vehicle wiring connectors.
   • Ensure connectors are fully inserted with locking tabs in place, avoiding damage.

4. Route the Passenger-Side T-Connector:

   • Route the T-One® Connector end with the green wire through the trim panel access hole, across the threshold, and into the passenger-side trim panel access hole.
   • Repeat Step 3 for the passenger side using the T-One® Connector harness end with the green wire.

5. Ground the White Wire:

   • Locate a suitable grounding point near the connector, such as the vehicle frame or crossmember.
   • Clean dirt and rustproofing from the area, drill a 3/32” hole, and secure the white wire using the provided eyelet and screw.

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

6. Connect the Power Wire:

   • On the driver’s side, locate the black 12-gauge power wire from the T-One® Connector black box.
   • Attach the provided black wire and route it along the exterior frame or follow existing wiring to the engine compartment up to the battery.
   • Avoid areas that may pinch, cut, or break the wire.

   Warning: Avoid routing near hot pipes, heat shields, or fuel tanks.

7. Connect to the Vehicle Battery:

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

8. Reconnect the Battery and Test:

   • Reconnect the vehicle’s Negative (-) battery cable.
   • Install the 15-amp fuse into the fuse holder.
   • Test the installation using a test light or trailer.

9. Mount the Black Box Module:

   • Locate a flat, out-of-the-way surface and mount the black box module to prevent damage or rattling.

10. Secure the Wiring Harness:

    • Use the provided cable ties to secure the T-One® Connector harness, avoiding areas that may pinch, cut, or melt the wire.

11. 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 or vehicle manufacturer specifications.
• 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.

Installation Instructions for T-One® T-Connector for Infiniti QX30

Part Numbers:

• 118736

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. Prepare the Vehicle:

   • Open the tailgate and remove the cargo door on the floor.
   • Carefully remove the floor trim panels and access panels on both sides of the vehicle.
   • Set aside all items removed, ensuring no parts are damaged.

2. Locate the Taillight Wiring Harness:

   • Inside the access panel areas on both sides of the vehicle, locate the taillight wiring harness.
   • Disconnect the connectors carefully, ensuring not to break the locking tabs. Ensure all connector surfaces 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 vehicle wiring connectors.
   • Ensure connectors are fully inserted with locking tabs in place, avoiding damage.

4. Route the Passenger-Side T-Connector:

   • Route the T-One® Connector end with the green wire through the trim panel access hole, across the threshold, and into the passenger-side trim panel access hole.
   • Repeat Step 3 for the passenger side using the T-One® Connector harness end with the green wire.

5. Ground the White Wire:

   • Locate a suitable grounding point near the connector, such as the vehicle frame or crossmember.
   • Clean dirt and rustproofing from the area, drill a 3/32” hole, and secure the white wire using the provided eyelet and screw.

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

6. Connect the Power Wire:

   • On the driver’s side, locate the black 12-gauge power wire from the T-One® Connector black box.
   • Attach the provided black wire and route it along the exterior frame or follow existing wiring to the engine compartment up to the battery.
   • Avoid areas that may pinch, cut, or break the wire.

   Warning: Avoid routing near hot pipes, heat shields, or fuel tanks.

7. Connect to the Vehicle Battery:

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

8. Reconnect the Battery and Test:

   • Reconnect the vehicle’s Negative (-) battery cable.
   • Install the 15-amp fuse into the fuse holder.
   • Test the installation using a test light or trailer.

9. Mount the Black Box Module:

   • Locate a flat, out-of-the-way surface and mount the black box module to prevent damage or rattling.

10. Secure the Wiring Harness:

    • Use the provided cable ties to secure the T-One® Connector harness, avoiding areas that may pinch, cut, or melt the wire.

11. 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 or vehicle manufacturer specifications.
• Always wear safety glasses and follow safety precautions during installation.

Manufacturer Notes:

• For complete installation instructions, including diagrams and detailed information from the manufacturer, please download the full installation PDF.
• 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:
For complete warranty instructions, please download the full installation PDF.