Installation Instructions for Nissan Pick-Up

Part Numbers:

• 75186
• 44148
• 87491
• 78273 (U-Haul)

Wiring Access Location:

• PU4

Tools Required:

• Wrenches: 3/4"
• Drill Bits: 1/2"

Step-by-Step Instructions for Models with 75" Bed:

1. Remove the bolt from the bottom of the frame on both sides of the vehicle. Insert a 1/2” carriage bolt and a large bolt plate through the large rear hole in the frame. Repeat for the other side.
2. Lift the hitch up to the frame with the carriage bolts going down through the second hole from the forward end of the hitch bracket. Install 1/2" lock washers and nuts on the bolts. Hand-tighten fasteners.
3. Attach the “L” brackets to hitch brackets using the 1/2" carriage bolts with small bolt plates and the 1/2” hex bolts with 1/2” conical washers. Hold the hitch level. Using one of the obround holes in the “L” bracket as a guide, drill a 1/2" hole into the bumper bracket. Install 1/2" hex bolt, serrated washer, lock washer, and nut on both sides.
4. Tighten all 1/2” fasteners to 75 lb-ft (102 N·m).

Step-by-Step Instructions for Models with 56" Bed:

1. Remove the bolt from the bottom of the frame on both sides of the vehicle. Insert a 1/2” carriage bolt and a large bolt plate through the large rear hole in the frame. Bolt leaders may be used to assist installation. Repeat for the other side.
2. Lift the hitch up to the frame with the carriage bolts going down through the second hole from the rear in the hitch bracket. Install 1/2" lock washers and nuts on the bolts.
3. Using the front hole in the bracket as a guide, drill a 1/2" hole in the frame. Insert a 1/2" carriage bolt with a small bolt plate down through the frame and the hitch bracket. Install a 1/2" lock washer and nut on the bolt. Repeat for the other side.

Note: The above installation can be used for models with 75” beds, but longer ball mounts and weight distributing shanks will be required.

Hardware List:

• (4) 1/2-13 x 2.00 Carriage Bolts
• (2) 0.25 x 1.00 x 2.00 Blocks
• (8) 1/2” Lock Washers
• (8) 1/2-13 Hex Nuts
• (2) 0.25 x 1.50 x 3.00 Blocks
• (4) 1/2-13 x 1.25 Bolts
• (4) 1/2” Conical Washers
• (2) “L” Brackets

Safety Notes:

• Check the hitch frequently to ensure all fasteners and the ball are properly tightened.
• If the hitch is removed, plug all holes in the trunk pan or other body panels to prevent water and exhaust fumes from entering.
• Replace any damaged hitch or ball immediately.
• Follow safety precautions when working beneath the vehicle, and wear eye protection.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type and Weight Ratings:
  • Weight Distributing: Max Trailer Weight 5,000 lbs (2,270 kg), Max Tongue Weight 550 lbs (250 kg).
  • Weight Carrying (Ball Mount): Max Trailer Weight 4,000 lbs (1,816 kg), Max Tongue Weight 400 lbs (182 kg).
• Complies with safety specifications and requirements for connecting devices and towing systems of the State of New York, V.E.S.C. Regulation V-5, and SAE J684.

Installation Instructions for Nissan Pick-Up

Part Numbers:

• 75186
• 44148
• 87491
• 78273 (U-Haul)

Wiring Access Location:

• PU4

Tools Required:

• Wrenches: 3/4"
• Drill Bits: 1/2"

Step-by-Step Instructions for Models with 75" Bed:

1. Remove the bolt from the bottom of the frame on both sides of the vehicle. Insert a 1/2” carriage bolt and a large bolt plate through the large rear hole in the frame. Repeat for the other side.
2. Lift the hitch up to the frame with the carriage bolts going down through the second hole from the forward end of the hitch bracket. Install 1/2" lock washers and nuts on the bolts. Hand-tighten fasteners.
3. Attach the “L” brackets to hitch brackets using the 1/2" carriage bolts with small bolt plates and the 1/2” hex bolts with 1/2” conical washers. Hold the hitch level. Using one of the obround holes in the “L” bracket as a guide, drill a 1/2" hole into the bumper bracket. Install 1/2" hex bolt, serrated washer, lock washer, and nut on both sides.
4. Tighten all 1/2” fasteners to 75 lb-ft (102 N·m).

Step-by-Step Instructions for Models with 56" Bed:

1. Remove the bolt from the bottom of the frame on both sides of the vehicle. Insert a 1/2” carriage bolt and a large bolt plate through the large rear hole in the frame. Bolt leaders may be used to assist installation. Repeat for the other side.
2. Lift the hitch up to the frame with the carriage bolts going down through the second hole from the rear in the hitch bracket. Install 1/2" lock washers and nuts on the bolts.
3. Using the front hole in the bracket as a guide, drill a 1/2" hole in the frame. Insert a 1/2" carriage bolt with a small bolt plate down through the frame and the hitch bracket. Install a 1/2" lock washer and nut on the bolt. Repeat for the other side.

Note: The above installation can be used for models with 75” beds, but longer ball mounts and weight distributing shanks will be required.

Hardware List:

• (4) 1/2-13 x 2.00 Carriage Bolts
• (2) 0.25 x 1.00 x 2.00 Blocks
• (8) 1/2” Lock Washers
• (8) 1/2-13 Hex Nuts
• (2) 0.25 x 1.50 x 3.00 Blocks
• (4) 1/2-13 x 1.25 Bolts
• (4) 1/2” Conical Washers
• (2) “L” Brackets

Safety Notes:

• Check the hitch frequently to ensure all fasteners and the ball are properly tightened.
• If the hitch is removed, plug all holes in the trunk pan or other body panels to prevent water and exhaust fumes from entering.
• Replace any damaged hitch or ball immediately.
• Follow safety precautions when working beneath the vehicle, and wear eye protection.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type and Weight Ratings:
  • Weight Distributing: Max Trailer Weight 5,000 lbs (2,270 kg), Max Tongue Weight 550 lbs (250 kg).
  • Weight Carrying (Ball Mount): Max Trailer Weight 4,000 lbs (1,816 kg), Max Tongue Weight 400 lbs (182 kg).
• Complies with safety specifications and requirements for connecting devices and towing systems of the State of New York, V.E.S.C. Regulation V-5, and SAE J684.

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-Connector Trailer Wiring Harness

Product Information:

• Part Number: N118353
• Application: Compatible vehicles

Tools Required:

• Drill with 3/32” drill bit

Step-by-Step Instructions:

1. Remove Taillight Assemblies:

   • Remove both driver’s side and passenger’s side taillight assemblies.
   • Locate the vehicle’s wiring harness behind each taillight opening.
   • The vehicle will have connection points matching the ends of the T-Connector adapter.

2. Install the Driver-Side T-Connector:

   • Starting on the driver’s side, route the T-Connector with the yellow wire from under the vehicle up through the taillight opening.
   • Disconnect the vehicle’s wiring harness from the taillight assembly.
   • Insert the T-Connector between the disconnected halves of the harness.
   • Ensure all connectors are fully inserted and locked.

3. Ground the White Wire:

   • Locate a suitable grounding point near the driver-side connector.
   • Drill a 3/32” hole into clean, bare metal.
   • Secure the white wire using the provided eyelet and screw.

   Caution: Do not drill into the vehicle floor, bed, or any other exposed surface.

4. Install the Passenger-Side T-Connector:

   • Route the green wire across the vehicle along the inside of the frame rail to the passenger side.
   • Repeat Step 2 using the T-Connector with the green wire.

5. Test the Installation:

   • Use a test light or connect a trailer to verify the following functions:
     • Left Turn Signal
     • Right Turn Signal
     • Brake Lights
     • Running Lights

6. Secure the Wiring Harness:

   • Reinstall the taillight assemblies.
   • Use the provided cable ties to secure the wiring harness and black converter box to the vehicle’s frame rail.

Specifications:

• Rated Current: 4 amps per circuit

Safety Notes:

• Always test the trailer wiring system before towing.
• Secure all wiring away from sharp edges, moving parts, and heat sources.
• Inspect the system periodically for damage or wear.

Technical Support:
For additional assistance, contact the manufacturer’s support team.

Note: Proper grounding of the white wire is critical to ensure the functionality of the wiring harness.

Installation Instructions for T-Connector Trailer Wiring Harness

Product Information:

• Part Number: N118353
• Application: Compatible vehicles

Tools Required:

• Drill with 3/32” drill bit

Step-by-Step Instructions:

1. Remove Taillight Assemblies:

   • Remove both driver’s side and passenger’s side taillight assemblies.
   • Locate the vehicle’s wiring harness behind each taillight opening.
   • The vehicle will have connection points matching the ends of the T-Connector adapter.

2. Install the Driver-Side T-Connector:

   • Starting on the driver’s side, route the T-Connector with the yellow wire from under the vehicle up through the taillight opening.
   • Disconnect the vehicle’s wiring harness from the taillight assembly.
   • Insert the T-Connector between the disconnected halves of the harness.
   • Ensure all connectors are fully inserted and locked.

3. Ground the White Wire:

   • Locate a suitable grounding point near the driver-side connector.
   • Drill a 3/32” hole into clean, bare metal.
   • Secure the white wire using the provided eyelet and screw.

   Caution: Do not drill into the vehicle floor, bed, or any other exposed surface.

4. Install the Passenger-Side T-Connector:

   • Route the green wire across the vehicle along the inside of the frame rail to the passenger side.
   • Repeat Step 2 using the T-Connector with the green wire.

5. Test the Installation:

   • Use a test light or connect a trailer to verify the following functions:
     • Left Turn Signal
     • Right Turn Signal
     • Brake Lights
     • Running Lights

6. Secure the Wiring Harness:

   • Reinstall the taillight assemblies.
   • Use the provided cable ties to secure the wiring harness and black converter box to the vehicle’s frame rail.

Specifications:

• Rated Current: 4 amps per circuit

Safety Notes:

• Always test the trailer wiring system before towing.
• Secure all wiring away from sharp edges, moving parts, and heat sources.
• Inspect the system periodically for damage or wear.

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.

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:
This product comes with a limited warranty for [insert duration here] covering [insert coverage details]. For complete warranty instructions, please download the full installation PDF.