Installation Instructions for BMW X5
(Fascia trim required. Obtain owner’s approval before cutting.)

Part Numbers:

• 87455
• 75600
• 44590

Tools Required:

• Wrenches: 10mm, 18mm Deep Socket
• Utility Knife
• Small Center Punch
• 5/32” Rivet Tool

Wiring Access Location:

• SUV3, SUV4

Step-by-Step Instructions:

1. Remove Rear Bumper Fascia:

   • Disconnect the back-up sensor wiring if present.
   • Remove the following:
     • (2) Plastic pop rivets (each side) from the wheel well molding. Rivets cannot be reused; replacements are provided.
     • Screws behind reflectors (one per side).
     • (6) Screws from the bottom of the fascia.
   • Gently pull back the wheel well molding to access and remove the screws securing the fascia.
   • Detach the reflectors by releasing the clip holding them in place.
   • Remove the retaining tabs under the light if necessary.

2. Remove Impact Bar:

   • Use an 18mm deep socket to detach the impact bar.
   • Lower the tailgate to access the upper mounting fasteners.

3. Position the Hitch:

   • Raise the hitch into position under the vehicle frame.
   • Reinstall the impact bar over the hitch brackets, securing with the existing flange nuts.

4. Tighten Fasteners:

   • Use a torque wrench to tighten all M12 fasteners to 65 lb-ft (88 N·m).

5. Trim Fascia:

   • Locate the bottom center of the fascia.
   • Mark and trim a rectangle measuring 8” wide x 2” high using a utility knife.
   • Obtain the vehicle owner’s approval before cutting.

6. Reattach Fascia:

   • Reinstall the bumper fascia.
   • Reconnect wiring.

Hardware List:

• (6) Replacement Plastic Rivets (provided)
• (8) Existing Flange Nuts (from the vehicle)

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 body panels to prevent water and exhaust fumes from entering.
• Replace any damaged hitch or ball immediately.
• Observe 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 6,000 lbs (2,724 kg), Max Tongue Weight 600 lbs (272 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.

Installation Instructions for Vehicles (Generic)
(Fascia trim required. Obtain owner’s approval before cutting.)

Part Numbers:

• 87455
• 75600
• 44590

Tools Required:

• Wrenches: 10mm, 18mm Deep Socket
• Utility Knife
• Small Center Punch
• 5/32” Rivet Tool

Wiring Access Location:

• SUV3, SUV4

Step-by-Step Instructions:

1. Remove Rear Bumper Fascia:

   • Disconnect the back-up sensor wiring if present.
   • Remove the following:
     • (2) Plastic pop rivets (each side) from the wheel well molding. Rivets cannot be reused; replacements are provided.
     • Screws behind reflectors (one per side).
     • (6) Screws from the bottom of the fascia.
   • Gently pull back the wheel well molding to access and remove the screws securing the fascia.
   • Detach the reflectors by releasing the clip holding them in place.
   • Remove the retaining tabs under the light if necessary.

2. Remove Impact Bar:

   • Use an 18mm deep socket to detach the impact bar.
   • Lower the tailgate to access the upper mounting fasteners.

3. Position the Hitch:

   • Raise the hitch into position under the vehicle frame.
   • Reinstall the impact bar over the hitch brackets, securing with the existing flange nuts.

4. Tighten Fasteners:

   • Use a torque wrench to tighten all M12 fasteners to 65 lb-ft (88 N·m).

5. Trim Fascia:

   • Locate the bottom center of the fascia.
   • Mark and trim a rectangle measuring 8” wide x 2” high using a utility knife.
   • Obtain the vehicle owner’s approval before cutting.

6. Reattach Fascia:

   • Reinstall the bumper fascia.
   • Reconnect wiring.

Hardware List:

• (6) Replacement Plastic Rivets (provided)
• (8) Existing Flange Nuts (from the vehicle)

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 body panels to prevent water and exhaust fumes from entering.
• Replace any damaged hitch or ball immediately.
• Observe safety precautions when working beneath the vehicle, and wear eye protection.
• Do not cut access or attachment holes with a torch.

Warranty Information:

• For complete warranty instructions, please download the full installation PDF.

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 6,000 lbs (2,724 kg), Max Tongue Weight 600 lbs (272 kg).
• Complies with safety specifications and requirements for connecting devices and towing 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.

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.