Installation Instructions for Chevrolet Trax and Buick Envista

Part Numbers:

• 76643
• 84643
• CQT76643

Tools Required:

• Safety Glasses
• Ratchet
• Torque Wrench
• Sockets: 11/16”
• Pull Wires
• Tape Measure
• Marker

Weight Capacities:

• Weight Carrying:
  • Max Gross Trailer Weight: 2,000 lbs (907 kg)
  • Max Tongue Weight: 200 lbs (90.7 kg)
• Weight Distributing:
  • Not Applicable

Step-by-Step Instructions:

1. Prepare Fasteners:

   • Feed the coiled end of the pull wires through existing holes on the outer side of the frame rail and out of the access hole in the bottom of the frame (2 per side).
   • Attach 7/16” carriage bolts and spacer blocks to the pull wires and pull fasteners inside the frame rails.
   • Install rear fasteners first. Place the small spacer block at the rearmost attachment. Leave pull wires attached temporarily.

2. Install Hitch:

   • Raise the hitch into position by installing the driver’s side over the exhaust tailpipe first.
   • Feed the ends of all pull wires through the mounting holes in the hitch.
   • Align the holes in the hitch with the holes in the frame. Using the pull wires, pull bolts through hitch mounting holes and into position.
   • Remove pull wires and loosely install conical washers (teeth side toward the hitch) and hex nuts onto the carriage bolts (4 places, 2 per side).

3. Tighten Fasteners:

   • Torque all 7/16"-14 GR5 fasteners to 50 lb-ft (68 N·m).

Hardware List:

• (4) Carriage Bolts: 7/16"-14 x 1.50 GR5
• (2) Spacer Blocks: 0.10" x 0.88" x 2.00"
• (2) Spacer Blocks: 1/4" x 7/8" x 3.00"
• (4) Conical Washers: 7/16"
• (4) Hex Nuts: 7/16"-14 GR2
• (4) Pull Wires: 7/16"

Safety Notes:

• Regularly inspect all fasteners to ensure the hitch and ball mount are secure.
• If the hitch is removed, plug any holes in the trunk pan or body panels to prevent water or exhaust entry.
• Replace any damaged hitch or ball immediately.
• Wear safety glasses and follow precautions when working beneath the 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 Chevrolet Trax and Buick Envista

Part Numbers:

• 76643
• 84643
• CQT76643

Tools Required:

• Safety Glasses
• Ratchet
• Torque Wrench
• Sockets: 11/16”
• Pull Wires
• Tape Measure
• Marker

Weight Capacities:

• Weight Carrying:
  • Max Gross Trailer Weight: 2,000 lbs (907 kg)
  • Max Tongue Weight: 200 lbs (90.7 kg)
• Weight Distributing:
  • Not Applicable

Step-by-Step Instructions:

1. Prepare Fasteners:

• Feed the coiled end of the pull wires through existing holes on the outer side of the frame rail and out of the access hole in the bottom of the frame (2 per side).
• Attach 7/16” carriage bolts and spacer blocks to the pull wires and pull fasteners inside the frame rails.
• Install rear fasteners first. Place the small spacer block at the rearmost attachment. Leave pull wires attached temporarily.

2. Install Hitch:

• Raise the hitch into position by installing the driver’s side over the exhaust tailpipe first.
• Feed the ends of all pull wires through the mounting holes in the hitch.
• Align the holes in the hitch with the holes in the frame. Using the pull wires, pull bolts through hitch mounting holes and into position.
• Remove pull wires and loosely install conical washers (teeth side toward the hitch) and hex nuts onto the carriage bolts (4 places, 2 per side).

3. Tighten Fasteners:

• Torque all 7/16"-14 GR5 fasteners to 50 lb-ft (68 N·m).

Hardware List:

• (4) Carriage Bolts: 7/16"-14 x 1.50 GR5
• (2) Spacer Blocks: 0.10" x 0.88" x 2.00"
• (2) Spacer Blocks: 1/4" x 7/8" x 3.00"
• (4) Conical Washers: 7/16"
• (4) Hex Nuts: 7/16"-14 GR2
• (4) Pull Wires: 7/16"

Safety Notes:

• Regularly inspect all fasteners to ensure the hitch and ball mount are secure.
• If the hitch is removed, plug any holes in the trunk pan or body panels to prevent water or exhaust entry.
• Replace any damaged hitch or ball immediately.
• Wear safety glasses and follow precautions when working beneath the 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.

Additional Notes:

• 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.
• For detailed photo instructions, scan the QR code provided in the manual or visit the website.

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 is covered under a limited warranty. For complete warranty instructions, please download the full installation PDF.

Installation Instructions for Modulite® HD Protector Vehicle Wiring

Part Number:

• 119148

Tools Required:

• Phillips Head #2 Screwdriver
• Wire Cutters
• Wire Strippers/Wire Crimpers
• Tester or Volt Meter
• Socket & Ratchet Set
• Drill with 3/32” Drill Bit
• Double-Sided Tape

Step-by-Step Instructions:

Tow Vehicle Inputs - Determination:

1. Disconnect and isolate the vehicle's negative battery terminal.
   • Warning: Read and follow all warnings and instructions on the tow vehicle's battery.
2. Splice the tow harness input wires to the vehicle as determined.
   • Caution: Use appropriate gauge wire splices. Blue taps are for 16-18 gauge wires only.

Harness Installation:

1. Determine the mounting location of the module and secure it using the double-sided tape provided.
   • Warning: Mount the module with the epoxy side pointed towards the ground to prevent water buildup.
2. Locate a suitable grounding point near the module, such as an existing ground stud, or drill a 3/32” hole to secure the white wire using the provided eyelet and screw.
   • Caution: Verify what is behind any surface before drilling to avoid damage or personal injury.
3. Route the power wire to the vehicle’s positive battery terminal. Use the provided fuse holder, butt connector, and ring terminal to connect to the battery.
   • Do not insert the 15 amp fuse yet.
   • Caution: Ensure the module is connected to a constant power source and avoid routing the wire near hot pipes, heat shields, fuel tanks, or pinch points.

Completion:

1. Secure the harness with cable ties provided to prevent damage or rattling.
2. Reconnect the vehicle's negative battery cable.
3. Insert the 15 amp fuse into the fuse holder and close the cap.
4. Test the installation using a test light or trailer. Check each function independently and in combination.

Hardware List:

• 8 × Cable Ties, 8.5”
• 1 × 15 AMP Fuse
• 2 × Ring Terminals
• 1 × Fuse Holder
• 2 × Yellow Butt Connectors
• 1 × Self-Tapping Screw
• 4 × Blue Taps
• 1 × Spade Terminal

Wiring Outputs:

• White Wire: Ground
• Brown Wire: Tail
• Yellow Wire: Left Turn/Brake
• Green Wire: Right Turn/Brake
• Red Wire: Stop (for 3-wire systems only)

Safety Notes:

• Always read and follow all warnings and instructions included with the product and the vehicle's manual.
• Do not exceed the manufacturer’s towing capacity or the product’s amperage ratings.
• Wear safety glasses and use all necessary safety precautions during installation.

Troubleshooting Guide:

• 4-Flat Not Functioning: Ensure input wires are correctly installed and repeat testing after removing the 15 amp fuse for 10 seconds.
• No Power to 4-Flat: Check the chassis ground and ensure the module is properly connected to a constant power source.

Specifications:

• Installation Time: Approximately 45 minutes
• Compatibility: Does not work with multiplex vehicles (BM, BT, or BTT). Use part numbers 119190 or 119250 for these systems.

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.

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.

For warranty information, please download the full installation PDF.