Installation Instructions for Audi Q5 and Porsche Macan

Part Numbers:

• 75940
• 44755
• 87666
• 41580 UH

Tools Required:

• Wrenches: M16 Socket, M10 Socket
• T20, T30, 6” Extension
• Torque Wrench
• Trim Panel Tool
• Dremel (or similar cutting tool)

Weight Capacities:

• Weight Carrying (Ball Mount):
  • Max Gross Trailer Weight: 5,000 lbs (2,270 kg)
  • Max Tongue Weight: 750 lbs (340 kg)

Wiring Access Location:

• SUV1, SUV2

Torque Specifications:

• Tighten all M10 CL10.9 fasteners to 44 lb-ft (60 N·m)
• Tighten all M6 CL8.8 fasteners to 7 lb-ft (9.5 N·m)
• Tighten all T30 Torx screws to 3 lb-ft (4 N·m)
• Tighten all T20 Torx screws to 1.1 lb-ft (1.5 N·m)

Step-by-Step Instructions:

1. Remove Interior Components:

   • Open liftgate and remove rear cargo flooring.
   • Use a trim panel tool to unclip and remove the scuff plate, then disconnect the electrical plug beneath it.
   • Remove two 10mm nuts from the recessed bumper fascia studs under the scuff plate.
   • Remove four fastening rings (two on each side) using a T30 socket.
   • Detach the side rails on both sides.
   • Remove the driver-side interior panel, spare tire air compressor, and Styrofoam platform.

2. Detach Passenger Side Components:

   • Remove the passenger-side interior panel and lower fuse box with a 10mm socket.
   • Remove 10mm nuts from the bumper fascia studs inside the compartment.

3. Remove Bumper Fascia:

   • Remove four Torx screws from each wheel well and two screws from underneath the vehicle attaching the fascia to the trunk pan.
   • Carefully pull off the bumper fascia, starting at the wheel wells. Unplug all electrical connections (lights and sensors) from the fascia.
   • Remove and safely store the entire wire harness from behind the bumper fascia.

4. Remove and Replace Rear Retainer Brackets:

   • Use a 16mm socket and a 6” extension to remove two 10mm bolts from each rear retainer bracket.
   • Remove and discard the aluminum bumper, then insert the hitch brackets into the sleeves previously occupied by the aluminum bumper.
   • Align the hitch bracket slots with the retainer bracket holes and reinstall using existing vehicle fasteners. Torque bolts to 44 lb-ft (60 N·m).

5. Trim Fascia:

   • Mark and cut a rectangle measuring 6 1/4" tall by 3 3/4" wide at the centerline of the fascia for hitch clearance. Ensure accuracy to avoid damaging the fascia.

6. Reinstall Components:

   • Reverse the steps above to reinstall the fascia, wire harness, and all removed components. Ensure all fasteners are torqued to the specified values.

Safety Notes:

• Regularly check all fasteners to ensure the hitch remains secure.
• Plug all holes in the trunk pan or body panels to prevent water and exhaust fume entry.
• Replace any damaged hitch or ball immediately.
• Wear safety glasses and follow precautions when working under the vehicle.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type: Class III
• Compliance: This product meets safety standards as per V.E.S.C. Regulation V-5 and SAE J684.

Note: Obtain the owner's permission before cutting the fascia. Always adhere to the towing vehicle manufacturer’s weight rating or the hitch’s maximum load rating, whichever is lower.

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.