Installation Instructions for Trailer Hitch #76271

Part Numbers:

• 76271
• 84271
• CQT76271

Applications:

• Make and Models: Subaru Forester, Subaru WRX
• Years: For the most accurate application information, consult the product manual or the manufacturer's website.

Wiring Access Location:

• Not Applicable

Tools Required:

• Ratchet
• Torque Wrench
• Safety Glasses
• Sockets: 10 mm, 13/16"
• 6" Socket Extension
• Pry Bar
• Exhaust Removal Pliers
• Tin Snips
• Flat Head Screwdriver
• Marker
• Drill with 17/32" Drill Bit

Step-by-Step Instructions:

1. Lower the Underbody Panel (If Applicable):

• Remove (2) M6 bolts from the driver’s side frame rail.
• Retain the underbody panel for reinstallation after the hitch is installed.

2. Lower the Exhaust:

• Use exhaust removal pliers or a pry bar to detach the rubber exhaust hangers in front of and behind the muffler, as well as near the rear axle.
• Support the exhaust to prevent damage during installation.

3. Trim the Heat Shield:

• Remove (4) screws securing the heat shield to the vehicle using a 10 mm socket.
• Trim the heat shield using tin snips as specified in the installation diagram.
• Reinstall the heat shield, omitting the rearmost M6 bolt on the frame rail.

4. Remove Hole Plugs:

• Remove all hole plugs from the frame rails to prepare for fastener installation.

5. Drill Holes (WRX Model Only):

• Use a 17/32" drill bit to create additional attachment holes as marked in the installation instructions.

6. Install the Hitch:

• Use the fish wire method to guide (6) fasteners through the frame as shown in the installation diagram.
• Temporarily raise the hitch into position and loosely install the supplied nuts and conical washers (teeth side toward the hitch) onto the bolts.
• Align the hitch and install the supplied M6 bolts into the weld nuts on the frame rail, if applicable.

7. Tighten Fasteners:

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

8. Reinstall Exhaust:

• Raise the exhaust back into position and reinstall all previously removed hangers.

Hardware List:

• 6 × Carriage Bolts (7/16"-14 × 1.50", GR5)
• 6 × Conical Washers (7/16")
• 6 × Spacer Blocks (0.109" × 0.880" × 2.00")
• 6 × Hex Nuts (7/16"-14)
• 4 × Flange Hex Bolts (M6 × 1.0 × 35 mm)
• 6 × Pull Wires (7/16")

Safety Notes:

• Always wear safety glasses during installation.
• Inspect the hitch regularly to ensure all fasteners and the hitch ball are securely tightened.
• If the hitch is removed, plug all holes in the trunk pan or body panels to prevent water or exhaust fumes from entering.
• Replace any damaged hitch or ball before towing.
• Do not cut access or attachment holes using a torch.

Specifications:

• Max Gross Trailer Weight (Weight Carrying): 3,500 lbs (1,589 kg)
• Max Tongue Weight (Weight Carrying): 525 lbs (238 kg)
• Weight Distribution Capacity: 3,500 lbs (1,589 kg) GTW, 525 lbs (238 kg) TW
• Installation Time: Approximately 45 minutes

This product complies with V.E.S.C. Regulation V-5 and SAE J684 safety specifications for towing systems.

Technical Support:

For technical assistance, visit www.trailerjacks.com or call 877-869-6690.

Attention: This is a summary of the installation procedure. For complete instructions, including diagrams and detailed guidance, 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.