Installation Instructions for Subaru Crosstrek and Subaru Impreza Hatchback

Part Numbers:

• 36644
• 06813
• CQT36644

Wiring Access Location:

• PC3, PC4

Tools Required:

• Ratchet
• Torque Wrench
• Safety Glasses
• Exhaust Removal Pliers
• Flat Head Screwdriver
• Utility Knife
• Universal Joint Socket
• Sockets: 11/16"

Installation Time:

• Estimated: 60 minutes (for professional installers)

Step-by-Step Instructions:

1. Lower Muffler:

   • Use exhaust removal pliers to remove the (4) rubber hangers from the exhaust:
     • (2) on the left side, (1) on the right side, and (1) in the middle of the car.
   • Apply lubricant or soapy water to ease removal.
   • Ensure the exhaust is supported before removing the hangers.

2. Remove Rubber Plugs:

   • Use a flat head screwdriver to remove (2) rubber plugs (rear and forward) from the holes at the bottom of the frame on each side of the car.
   • Return the plugs to the customer.
   • Use a utility knife to remove excess caulk near the access hole and reseal if the seam is exposed.

3. Install Fasteners:

   • Feed the coiled end of the pull wire through the rear attachment hole and out of the forward-most access hole in the frame.
   • Attach the 7/16" carriage bolt and spacer to the pull wire and pull them into position on both sides.
   • Use the reverse fishwire technique as shown in the manual.

4. Install Block:

   • Tape the supplied block (part no. 01097002) between the hitch and the frame at the access hole.

5. Install Hitch:

   • Raise the hitch into position, being careful not to push the fasteners back into the frame.
   • Loosely install the conical washers (teeth side facing the hitch) and hex nuts onto the carriage bolts (4 locations).

6. Tighten Fasteners:

   • Use a torque wrench to tighten all 7/16"-14 GR5 fasteners to 50 lb-ft (68 N*m).
   • Note: A universal joint socket may be required for the rear bolts.

7. Reattach Muffler:

   • Raise the muffler back into position and reattach the rubber hangers (2 per side and 1 in the middle).

Torque Specifications:

• 7/16"-14 GR5 bolts: 50 lb-ft (68 N*m)

Hardware List:

• (4) Carriage Bolts, 7/16"-14 x 1.50" GR5
• (4) Spacer Blocks, 1/4" x 7/8" x 3"
• (4) Conical Washers, 7/16"
• (4) Hex Nuts, 7/16"-14
• (4) Pull Wires, 7/16"
• (2) Blocks, 0.250" x 1.50" x 2.00" (part no. 01097002)

Safety Notes:

• Frequently check the hitch to ensure all fasteners and the ball are securely tightened.
• If the hitch is removed, plug all holes in the trunk pan or other body panels to prevent water or 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:

• Max Gross Trailer Weight: 3,500 lb (1,589 kg)
• Max Tongue Weight: 350 lb (159 kg)

Additional Notes:

• Authorized Drawbar Kit: 36051 (sold separately; must be used in the RISE position only).
• Fastener Kit: 36644F.
• This product complies with V.E.S.C. Regulation V-5 and SAE J684 safety standards.

Installation Instructions for Vehicles (Excluding Quad Exhaust Models)

Part Numbers:

• 36644
• 06813
• CQT36644

Wiring Access Location:

• PC3, PC4

Tools Required:

• Ratchet
• Torque Wrench
• Safety Glasses
• Exhaust Removal Pliers
• Flat Head Screwdriver
• Utility Knife
• Universal Joint Socket
• Sockets: 11/16"

Installation Time:

• Estimated: 60 minutes (for professional installers)

Step-by-Step Instructions:

1. Lower Muffler:

   • Use exhaust removal pliers to remove the (4) rubber hangers from the exhaust:
     • (2) on the left side, (1) on the right side, and (1) in the middle of the car.
   • Apply lubricant or soapy water to ease removal.
   • Ensure the exhaust is supported before removing the hangers.

2. Remove Rubber Plugs:

   • Use a flat head screwdriver to remove (2) rubber plugs (rear and forward) from the holes at the bottom of the frame on each side of the car.
   • Return the plugs to the customer.
   • Use a utility knife to remove excess caulk near the access hole and reseal if the seam is exposed.

3. Install Fasteners:

   • Feed the coiled end of the pull wire through the rear attachment hole and out of the forward-most access hole in the frame.
   • Attach the 7/16" carriage bolt and spacer to the pull wire and pull them into position on both sides.
   • Use the reverse fishwire technique as shown in the manual.

4. Install Block:

   • Tape the supplied block (part no. 01097002) between the hitch and the frame at the access hole.

5. Install Hitch:

   • Raise the hitch into position, being careful not to push the fasteners back into the frame.
   • Loosely install the conical washers (teeth side facing the hitch) and hex nuts onto the carriage bolts (4 locations).

6. Tighten Fasteners:

   • Use a torque wrench to tighten all 7/16"-14 GR5 fasteners to 50 lb-ft (68 N*m).
   • Note: A universal joint socket may be required for the rear bolts.

7. Reattach Muffler:

   • Raise the muffler back into position and reattach the rubber hangers (2 per side and 1 in the middle).

Torque Specifications:

• 7/16"-14 GR5 bolts: 50 lb-ft (68 N*m)

Hardware List:

• (4) Carriage Bolts, 7/16"-14 x 1.50" GR5
• (4) Spacer Blocks, 1/4" x 7/8" x 3"
• (4) Conical Washers, 7/16"
• (4) Hex Nuts, 7/16"-14
• (4) Pull Wires, 7/16"
• (2) Blocks, 0.250" x 1.50" x 2.00" (part no. 01097002)

Safety Notes:

• Frequently check the hitch to ensure all fasteners and the ball are securely tightened.
• If the hitch is removed, plug all holes in the trunk pan or other body panels to prevent water or 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:

• Max Gross Trailer Weight: 3,500 lb (1,589 kg)
• Max Tongue Weight: 350 lb (159 kg)

Additional Notes:

• Authorized Drawbar Kit: 36051 (sold separately; must be used in the RISE position only).
• Fastener Kit: 36644F.
• This product complies with V.E.S.C. Regulation V-5 and SAE J684 safety standards.

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: This product is backed by a limited warranty. For complete warranty instructions, 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.

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.