Installation Instructions for Chevrolet/GMC Full-Size Pickups (All Models)

Part Numbers:

• 75099
• 87184
• 44105

Wiring Access Location:

• PU3

Tools Required:

• Wrenches: 7/8", 13mm, 18mm, 19mm
• Drill Bits: None

Step-by-Step Instructions:

1. Lower Spare Tire:

   • If present, lower the spare tire to provide access to the hitch attachment points.

2. Remove Existing Components:

   • Remove and discard the M12 hex bolts from the ends of each frame rail, if present.
   • Remove and relocate the ground wire and ground wire bolt on the driver's side frame rail, if applicable.

3. Position Receiver:

   • Lift the receiver into position, aligning the slots in the receiver with the weld nuts in the vehicle frame.

4. Install Fasteners:

   • Attach the M12 hex bolts and conical washers to the weld nuts in the vehicle frame.

5. Install Additional Fasteners:

   • Secure the hitch using the provided fasteners, including carriage bolts, lock washers, and nuts, as shown in the diagram.
   • Use the 1/4" x 1-1/2" x 2" block at the forward-most attachment on the driver's side for 6' bed models.

6. Reinstall Ground Wire:

   • Reinstall the ground wire and ground wire bolt into the side bracket.

7. Raise Spare Tire:

   • Reinstall the spare tire, ensuring proper clearance between the hitch and spare tire.

8. Tighten Fasteners:

   • Tighten all fasteners to the specified torque values:
     • M12 CL10.9: 75 lb-ft (102 N·m)
     • 1/2"-13 GR5: 75 lb-ft (102 N·m)

Torque Specifications:

• M12 CL10.9: 75 lb-ft (102 N·m)
• 1/2"-13 GR5: 75 lb-ft (102 N·m)

Hardware List:

• (2) M12 x 1.75 x 45mm CL10.9 Hex Bolts
• (2) Conical Toothed Washers
• (4) 1/2"-13 x 1-3/4" GR5 Carriage Bolts
• (4) Lock Washers
• (4) Hex Nuts
• (4) 1/4" x 1-1/2" x 2" Blocks

Safety Notes:

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

Specifications:

• Weight Carrying (Ball Mount):
  • Max Gross Trailer Weight: 5,000 lb (2,270 kg)
  • Max Tongue Weight: 500 lb (227 kg)
• Weight Distributing:
  • Max Gross Trailer Weight: 8,000 lb (3,629 kg)
  • Max Tongue Weight: 800 lb (363 kg)

Additional Notes:

• This product complies with SAE J684 and V.E.S.C. Regulation V-5 safety standards.
• Ensure all fasteners are properly torqued before towing.

Installation Instructions for T-Connector Adapter

Part Numbers:

• 118315

Wiring Access Location:

• Left rear frame rail of the vehicle.

Tools Required:

• Electrical tape or tie straps (not supplied).
• Drill with a 3/32" drill bit.

Step-by-Step Instructions:

1. Locate the vehicle’s taillight wiring harness along the inside of the left rear frame rail.

   • This harness will have a connection point with connectors matching the ends of the T-connector adapter.

2. Separate the harness connectors.

   • Note: Be careful not to break the locking tabs.
   • Ensure that the mating surfaces of the connectors are free of dirt and clean them if necessary.

3. Insert the T-connector adapter between the harness connectors and lock into place.

   • Verify that the connectors are fully inserted with locking tabs secure.

4. Locate a suitable grounding point near the connector, such as the vehicle's frame or crossmember.

   • Note: Do not drill into the vehicle floor or bed.
   • Clean dirt and rustproofing from the area.
   • Drill a 3/32" hole and secure the white wire with an eyelet using the screw provided.

5. Route the T-connector harness to the center of the vehicle.

   • Secure the wire to the vehicle crossmember or other mounting point using electrical tape or tie straps.

6. Test the installation with a test light or trailer.

   • Specifications:
     • This unit is rated for 7.5 amps per circuit.

Hardware List:

• T-connector adapter.
• Screw for grounding.
• Eyelet for white wire.

Safety Notes:

• Handle all connectors with care to avoid damage.
• Ensure all connections are clean and securely fastened.
• Ground the white wire securely to a clean, appropriate location.
• Test the installation after completing all steps to verify functionality.

Manufacturer Notes:

• Follow all warnings and instructions provided with the product.
• Use a test light or trailer to confirm proper installation.