Installation Instructions for Pontiac Bonneville, Buick LeSabre, Buick Lucerne (Excluding Super & Special Edition), and Oldsmobile Aurora

Part Numbers:

• 06976
• 36309
• 90140

Wiring Access Location:

• PC3, PC4

Tools Required:

• Wrenches: 15mm, 17mm, 9/16", 3/4"
• Drill with 1/2" Drill Bit
• Tin Snips

Step-by-Step Instructions:

1. Remove Exhaust Hanger Bracket:

   • Detach the exhaust hanger bracket from the bottom of the frame rail.
   • Disconnect the bracket from the rubber hanger attached to the exhaust tailpipe.
   • Return the factory exhaust brackets to the vehicle owner.
   • Replacement brackets will be installed later.

2. Raise Hitch and Drill Holes:

   • Raise the hitch into position and use it as a template to drill two (2) 1/2" holes in the frame rail.

3. Trim Heat Shield (if applicable):

   • If the vehicle is equipped with a heat shield:
     • Remove and discard the rearmost fastener securing the heat shield to the frame rail.
     • Trim the heat shield around the drilled hole as shown in Figure 2.

4. Trim Load Leveling Control Housing (if applicable):

   • For vehicles with automatic load leveling control:
     • Remove the rearmost fastener securing the load leveling control housing to the frame rail and discard.
     • Trim the load leveling control housing as shown in Figure 3.

5. Install Hardware:

   • Lower the hitch and fishwire the carriage bolts and blocks through the drilled holes and into position.
   • Raise the hitch back into position and install the remaining fasteners as shown in Figure 1.
   • If equipped with a heat shield, ensure it is sandwiched between the frame and the hitch side bracket during installation.

6. Attach Replacement Hanger Brackets:

   • Install the replacement exhaust hanger brackets:
     • Insert a 3/8-16 x 2" carriage bolt through the square hole in the hanger bracket to the bottom of the frame rail.
     • Slide the rubber hanger onto the 3/8" carriage bolt and secure it with a flanged locknut.
     • Tighten the nut against the rubber hanger, allowing the hanger to rotate freely (do not overtighten).

7. Tighten Fasteners:

   • Torque all 1/2" GR5 fasteners to 75 lb-ft (102 N*m).
   • Torque all M10 CL9.8 fasteners to 53 lb-ft (72 N*m).
   • Torque all 3/8" GR5 fasteners to 31 lb-ft (41 N*m).

Hardware List:

• (2) M10 x 1.50 x 45mm Bolts (CL9.8)
• (2) Carriage Bolt, 1/2"-13 x 1.75" (GR5)
• (2) Carriage Bolt, 3/8"-16 x 2" (GR5)
• (2) Spacer Block, 1/4" x 1" x 3"
• (2) Lock Washer, 1/2"
• (2) Flanged Locknut, 3/8"-16
• (2) Hex Nut, 1/2"-13
• (2) Replacement Exhaust Hanger Brackets

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.
• Do not cut access or attachment holes with a torch.
• Wear eye protection and observe safety precautions when working beneath the vehicle.

Specifications:

• Max Gross Trailer Weight: 3,500 lb (1,589 kg)
• Max Tongue Weight: 300 lb (136 kg)
• Drawbar must be used in the RISE position only.
• Complies with V.E.S.C. Regulation V-5 and SAE J684 safety standards.

Additional Notes:

• Drawbar Kit: 36063 (sold separately)
• Fastener Kit: F36309

Installation Instructions for Pontiac Bonneville, Buick LeSabre, Buick Lucerne (Excluding Super & Special Edition), and Oldsmobile Aurora

Part Numbers:

• 06976
• 36309
• 90140

Wiring Access Location:

• PC3, PC4

Tools Required:

• Wrenches: 15mm, 17mm, 9/16", 3/4"
• Drill with 1/2" Drill Bit
• Tin Snips

Step-by-Step Instructions:

1. Remove Exhaust Hanger Bracket:

   • Detach the exhaust hanger bracket from the bottom of the frame rail.
   • Disconnect the bracket from the rubber hanger attached to the exhaust tailpipe.
   • Return the factory exhaust brackets to the vehicle owner.
   • Replacement brackets will be installed later.

2. Raise Hitch and Drill Holes:

   • Raise the hitch into position and use it as a template to drill two (2) 1/2" holes in the frame rail.

3. Trim Heat Shield (if applicable):

   • If the vehicle is equipped with a heat shield:
     • Remove and discard the rearmost fastener securing the heat shield to the frame rail.
     • Trim the heat shield around the drilled hole as shown in Figure 2.

4. Trim Load Leveling Control Housing (if applicable):

   • For vehicles with automatic load leveling control:
     • Remove the rearmost fastener securing the load leveling control housing to the frame rail and discard.
     • Trim the load leveling control housing as shown in Figure 3.

5. Install Hardware:

   • Lower the hitch and fishwire the carriage bolts and blocks through the drilled holes and into position.
   • Raise the hitch back into position and install the remaining fasteners as shown in Figure 1.
   • If equipped with a heat shield, ensure it is sandwiched between the frame and the hitch side bracket during installation.

6. Attach Replacement Hanger Brackets:

   • Install the replacement exhaust hanger brackets:
     • Insert a 3/8-16 x 2" carriage bolt through the square hole in the hanger bracket to the bottom of the frame rail.
     • Slide the rubber hanger onto the 3/8" carriage bolt and secure it with a flanged locknut.
     • Tighten the nut against the rubber hanger, allowing the hanger to rotate freely (do not overtighten).

7. Tighten Fasteners:

   • Torque all 1/2" GR5 fasteners to 75 lb-ft (102 N*m).
   • Torque all M10 CL9.8 fasteners to 53 lb-ft (72 N*m).
   • Torque all 3/8" GR5 fasteners to 31 lb-ft (41 N*m).

Hardware List:

• (2) M10 x 1.50 x 45mm Bolts (CL9.8)
• (2) Carriage Bolt, 1/2"-13 x 1.75" (GR5)
• (2) Carriage Bolt, 3/8"-16 x 2" (GR5)
• (2) Spacer Block, 1/4" x 1" x 3"
• (2) Lock Washer, 1/2"
• (2) Flanged Locknut, 3/8"-16
• (2) Hex Nut, 1/2"-13
• (2) Replacement Exhaust Hanger Brackets

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.
• Do not cut access or attachment holes with a torch.
• Wear eye protection and observe safety precautions when working beneath the vehicle.

Specifications:

• Max Gross Trailer Weight: 3,500 lb (1,589 kg)
• Max Tongue Weight: 300 lb (136 kg)
• Drawbar must be used in the RISE position only.
• Complies with V.E.S.C. Regulation V-5 and SAE J684 safety standards.

Additional Notes:

• Drawbar Kit: 36063 (sold separately)
• Fastener Kit: F36309

Warranty Information:

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

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.