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 T-Connector Adapter

Part Numbers:

• 118419

Tools Required:

• Trim Panel Remover
• Drill with a 3/32" Drill Bit

Step-by-Step Instructions:

1. Access the Rear Cargo Area:

   • Open the trunk and temporarily remove the rear threshold plate.
   • Partially remove the felt trunk liner behind the taillights.

2. Locate the Vehicle’s Taillight Wiring Harness:

   • On both the driver’s and passenger’s sides of the vehicle, locate the taillight wiring harness.
   • Disconnect the connectors carefully to avoid breaking the locking tabs. Ensure all connector surfaces are clean and free of dirt.

3. Install the Driver-Side T-Connector:

   • Insert the T-Connector end with the yellow wire between the vehicle wiring connectors on the driver’s side.
   • Lock into place, ensuring the connectors are fully inserted and the locking tabs are secure.

4. Route the Passenger-Side T-Connector:

   • Route the T-Connector end with the green wire to the passenger’s side behind the panels and along the threshold.
   • Repeat step 3 on the passenger’s side using the T-Connector with the green wire.

5. Ground the White Wire:

   • Locate a suitable grounding point near the connector.
   • Clean the grounding area to remove dirt and rustproofing.
   • Drill a 3/32" hole and secure the white wire using the provided eyelet and screw.

   Caution:

   • Verify what is behind the surface before drilling to avoid damage or injury.
   • Do not drill into exposed surfaces.

6. Store the 4-Flat Connector:

   • Route the 4-flat connector from below the threshold plate into the trunk. Store it in the trunk when not in use.

7. Reassemble the Vehicle:

   • Reinstall the felt trunk liner, threshold, and other items removed during installation. Ensure no wires are pinched or cut during reassembly.

8. Test the Installation:

   • Test and verify the T-Connector functionality using a test light or trailer.

   Specifications:

   • Max. stop/turn light: 7.5 amps
   • Max. tail lights: 7.5 amps

Safety Notes:

• Overloading circuits can cause fires. Do not exceed the towing manufacturer’s rating or the unit specifications.
• Follow all warnings and installation instructions provided.

Manufacturer Notes:

• Refer to the vehicle owner’s manual and instruction sheet for additional guidance.