Installation Instructions for Chevrolet Colorado Pickup, GMC Canyon Pickup, and Isuzu “I” Series Pickup

Part Numbers:

• 75607
• 87458
• 44593
• 78280 (U-Haul)

Tools Required:

• Wrenches: 21mm, 22mm, 11/16”
• Drill Bits: None
• Tape (optional for block alignment)

Wiring Access Location:

• PU3

Step-by-Step Instructions:

1. Remove Bumper Bracket Bolts:

   • For 2007 and earlier trucks: Remove two (2) bolts per side attaching the bumper brackets to the outside of the truck frame.
   • For 2008 and newer trucks: Remove two (2) bolts per side attaching the bumper brackets located inside the truck frame.

2. Tape Spacer Blocks in Place (Optional):

   • Use tape to hold the provided 5/8” thick blocks in place on the side of the frame or bumper brackets, depending on the truck year.

3. Install Hitch and Fasteners:

   • Raise the hitch into position.
   • Insert two (2) new M14 bolts per side through the hitch, spacer blocks, and frame. Loosely tighten.

4. Fishwire Carriage Bolts:

   • Use the provided wire leader to fishwire the 7/16” carriage bolts and blocks through the truck frame and align with the slots in the hitch.
   • For 2007 and earlier trucks: Fishwire bolts from the end of the frame.
   • For 2008 and newer trucks: Use the access slot on the outside of the frame.

5. Insert Flat Washers (if needed):

   • Insert the provided 1/2” flat washers between the hitch and the bottom of the truck frame to address any gaps caused by existing welds or flat washers securing the bumper bracket.

6. Tighten Fasteners:

   • Torque all M14 bolts to 115 lb-ft (156 N·m).
   • Torque both 7/16” bolts to 50 lb-ft (68 N·m).

Hardware List:

• (4) M14 x 2.00 x 60mm CL10.9 Hex Bolts
• (4) 1/2” Flat Washers
• (4) 5/8” Conical Toothed Washers
• (2) 7/16” Conical Toothed Washers
• (4) 5/8” x 1-1/2” x 2-1/8” Spacer Blocks
• (2) 7/16”-14 x 1-3/4” Carriage Bolts
• (2) 1/8” x 7/8” x 2” Blocks (with square hole)
• (2) 7/16”-14 Hex Nuts
• (1) 7/16” Wire Leader

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 all 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 Carrying (Ball Mount): Max Trailer Weight 6,000 lbs (2,724 kg), Max Tongue Weight 600 lbs (272 kg).
  • Weight Distributing: Max Trailer Weight 7,500 lbs (3,405 kg), Max Tongue Weight 750 lbs (340 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.

Additional Notes:

• Hitch is purposely built wide. Frame brackets will draw in when tightened.

Installation Instructions for T-Connector Adapter

Part Numbers:

• 118301

Wiring Access Location:

• Underneath the truck bed near the driver’s side frame rail.

Tools Required:

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

Step-by-Step Instructions:

1. Locate the Tail Light Wiring Harness:

   • Find the vehicle's tail light wiring harness underneath the truck bed near the driver’s side frame rail.
   • This harness will have a connection point matching the ends of the T-Connector harness.

2. Separate the Connectors:

   • Disconnect the vehicle’s connectors carefully, ensuring no damage to the locking tabs.
   • Check that the mating surfaces of the connectors are clean. Clean if necessary.

3. Install the T-Connector:

   • Insert the T-Connector harness between the vehicle's connectors.

4. Ground the White Wire:

   • Locate a suitable grounding point near the connectors, such as the vehicle’s frame or crossmember.
   • Caution: Do not drill into the vehicle floor or bed. Verify what is behind the surface before drilling to avoid damage or injury.
   • Clean the grounding area of dirt and rustproofing.
   • Drill a 3/32" hole and secure the white wire using the provided eyelet and screw.

5. Route the T-Connector Harness:

   • Route the harness to the center of the vehicle and secure the wire to the crossmember or another mounting point using electrical tape or tie straps (not provided).

6. Test the Installation:

   • All connections must be complete for the T-Connector to function properly.
   • Test the installation with a test light or trailer to verify functionality.

   Specifications:

   • Max. stop/turn light: 1 per side (2.1 amps).
   • Max. tail lights: (5 amps).

Hardware List:

• T-Connector adapter.
• Eyelet and screw.

Safety Notes:

• Do not exceed the towing manufacturer’s rating or the unit specifications.
• Overloading circuits can cause fires.
• Test thoroughly after installation to ensure proper functionality.

Manufacturer Notes:

• Follow all warnings and instructions provided.
• Refer to the vehicle owner’s manual for additional details.