Installation Instructions for 2019-Current Audi Q3

Part Numbers:

• 76364
• 84364
• CQT76364

Tools Required:

• Ratchet
• Torque Wrench
• Safety Glasses
• Sockets: 13 mm, 7/8"
• Tape Measure
• Marker
• Tin Snips
• Utility Knife
• Exhaust Removal Pliers
• 6-inch Socket Extension

Step-by-Step Instructions:

1. Trim Bumper Fascia:

   • Measure to find the center of the fascia. Mark a centerline on the bottom of the fascia and trim as shown in Figure 2.
   • Mark a centerline on the vertical portion of the fascia and trim as shown in Figure 3. Do not trim away the bottom edge.
   • If not using trailer wiring, the trimmed area can be 3.25” on each side of the centerline. Dimensions are approximate and can be adjusted for fit and aesthetics.

2. Remove Excess Caulk:

   • Remove excess caulk from the frame rails in the hitch installation area.

3. Lower Exhaust:

   • Lower the exhaust by removing two bolts from each rear exhaust hanger bracket (one per side) using a 13 mm socket.
   • Support the exhaust to avoid damage.

4. Install Hardware:

   • Using the provided fish wire, install carriage bolts and spacers (items 1 and 2) through the access holes in the vehicle frame. Repeat on both sides.
   • Keep the hardware inside the frame until the hitch is in position. Keep the fish wire attached to the hardware.

5. Install Hitch:

   • Raise the hitch into position over the exhaust and move it forward so the receiver clears the bottom edge of the fascia.
   • Align the holes in the hitch with the holes in the vehicle frame and pull bolts through the attachment holes.
   • Install conical washers (teeth side toward hitch) and nuts onto the bolts.

6. Tighten Fasteners:

   • Tighten all 7/16” fasteners with a torque wrench to 50 ft-lbs (68 Nm).

7. Reinstall Exhaust:

   • Reinstall the rubber hangers and exhaust muffler.

Hardware List:

• (4) Carriage Bolt 7/16”-14 x 1.5” GR5
• (4) Spacer .109” x .88” x 2” (Part #: 1204)
• (4) Conical Washer 7/16” (Part #: 01292007)
• (4) Hex Nut 7/16” GR2
• (4) Fish Wire 7/16”-14 (Part #: 5481)

Safety Notes:

• Always wear safety glasses during installation.
• Ensure proper torque to keep the hitch securely mounted to the vehicle.
• Check hitch frequently to ensure all fasteners and the ball are properly tightened.
• Replace damaged hitches or balls immediately.
• Do not cut access or attachment holes with a torch.
• Observe all safety precautions when working under the vehicle.

Specifications:

• Weight Carrying Capacity: 4,500 lbs (2,041 kg) trailer weight, 675 lbs (306 kg) tongue weight.
• Weight Distributing Capacity: 4,500 lbs (2,041 kg) trailer weight, 675 lbs (306 kg).
• Product complies with V.E.S.C. Regulation V-5 and SAE J684.

Installation Instructions for Vehicle Models (2019-Present)

Part Numbers:

• 76364
• 84364
• CQT76364

Tools Required:

• Ratchet
• Torque Wrench
• Safety Glasses
• Sockets: 13 mm, 7/8"
• Tape Measure
• Marker
• Tin Snips
• Utility Knife
• Exhaust Removal Pliers
• 6-inch Socket Extension

Step-by-Step Instructions:

1. Trim Bumper Fascia:

   • Measure to find the center of the fascia. Mark a centerline on the bottom of the fascia and trim as shown in Figure 2.
   • Mark a centerline on the vertical portion of the fascia and trim as shown in Figure 3. Do not trim away the bottom edge.
   • If not using trailer wiring, the trimmed area can be 3.25” on each side of the centerline. Dimensions are approximate and can be adjusted for fit and aesthetics.

2. Remove Excess Caulk:

   • Remove excess caulk from the frame rails in the hitch installation area.

3. Lower Exhaust:

   • Lower the exhaust by removing two bolts from each rear exhaust hanger bracket (one per side) using a 13 mm socket.
   • Support the exhaust to avoid damage.

4. Install Hardware:

   • Using the provided fish wire, install carriage bolts and spacers (items 1 and 2) through the access holes in the vehicle frame. Repeat on both sides.
   • Keep the hardware inside the frame until the hitch is in position. Keep the fish wire attached to the hardware.

5. Install Hitch:

   • Raise the hitch into position over the exhaust and move it forward so the receiver clears the bottom edge of the fascia.
   • Align the holes in the hitch with the holes in the vehicle frame and pull bolts through the attachment holes.
   • Install conical washers (teeth side toward hitch) and nuts onto the bolts.

6. Tighten Fasteners:

   • Tighten all 7/16” fasteners with a torque wrench to 50 ft-lbs (68 Nm).

7. Reinstall Exhaust:

   • Reinstall the rubber hangers and exhaust muffler.

Hardware List:

• (4) Carriage Bolt 7/16”-14 x 1.5” GR5
• (4) Spacer .109” x .88” x 2” (Part #: 1204)
• (4) Conical Washer 7/16” (Part #: 01292007)
• (4) Hex Nut 7/16” GR2
• (4) Fish Wire 7/16”-14 (Part #: 5481)

Safety Notes:

• Always wear safety glasses during installation.
• Ensure proper torque to keep the hitch securely mounted to the vehicle.
• Check hitch frequently to ensure all fasteners and the ball are properly tightened.
• Replace damaged hitches or balls immediately.
• Do not cut access or attachment holes with a torch.
• Observe all safety precautions when working under the vehicle.

Specifications:

• Weight Carrying Capacity: 4,500 lbs (2,041 kg) trailer weight, 675 lbs (306 kg) tongue weight.
• Weight Distributing Capacity: 4,500 lbs (2,041 kg) trailer weight, 675 lbs (306 kg).
• Product complies with V.E.S.C. Regulation V-5 and SAE J684.

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.

Warranty Information:

• Duration: 1-year limited warranty from the date of purchase.
• Coverage: Covers defects in materials and workmanship under normal use conditions.

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 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.