Installation Instructions for 2019-Current Buick Envision

Part Numbers:

• 76300
• 84300
• CQT76300

Tools Required:

• Ratchet
• Torque Wrench
• Safety Glasses
• 15 mm Socket
• 11/16" Socket
• T15 Torxbit Socket
• 8-inch Socket Extension
• Crows Foot (11/16")

Step-by-Step Instructions:

1. Remove Fascia Screws:

   • Use a T15 Torxbit socket to remove two screws from the bottom edge of the fascia.
   • Keep the screws for reinstallation.

2. Remove Existing M10 Nut/Washer Assembly:

   • Using a 15 mm deep well socket, remove two M10 nut-washer assemblies (one per side) from the bottom of the bumper beam attachment.

3. Install Fasteners:

   • Attach the 7/16” carriage bolt and ¼” spacer block to the coiled end of the pull wire.
   • Feed the other end of the pull wire through the middle access hole and bring it out through the rearmost hole in the bottom of the frame.
   • Pull the fasteners inside the vehicle frame on both sides. Keep spacer blocks and bolts inside the vehicle frame during hitch installation.

4. Install Hitch:

   • Gently pull the fascia down and raise the hitch into position while guiding the pull wires through the bracket mounting forward holes.
   • Push the hitch onto existing studs in the vehicle on both sides.
   • Using the pull wire, pull carriage bolts and spacer blocks into position.
   • Remove the pull wires and loosely install the 7/16 conical washers and 7/16-14 hex nuts onto the carriage bolts.
   • Install the M10 nut-washer assembly onto the existing studs on the bumper beam/end panel.

5. Tighten Fasteners:

   • Using a torque wrench, tighten all M10 fasteners to 38 lb-ft (52 Nm).
   • Tighten all 7/16-14 GR5 fasteners to 50 lb-ft (68 Nm).
   • Use a socket extension and crows foot to tighten the 7/16 nut on the driver side.

6. Reinstall Fascia Screws:

   • Reinstall the fascia screws using a T15 Torxbit socket.

Hardware List:

• (2) Carriage Bolt 7/16-14 X 1.50 GR5
• (2) Spacer Block 1/4 X 7/8 X 3.00
• (2) Conical Washer 7/16
• (2) Hex Nut 7/16-14
• (2) Pull Wire 7/16

Safety Notes:

• Always wear safety glasses when installing the hitch.
• Ensure proper torque is applied to keep the hitch secure.
• Check the hitch frequently for proper tightness of fasteners and the ball.
• Damaged hitch or ball should be removed and replaced.
• Do not cut access or attachment holes with a torch.
• Observe all safety precautions when working beneath the vehicle.

Specifications:

• Weight Carrying Capacity: 4,500 lbs (2,041 kg) trailer weight, 675 lbs (306 kg) tongue weight.
• Weight Distributing Capacity: Not applicable.
• Product complies with V.E.S.C. Regulation V-5 and SAE J684.

Installation Instructions for T-One® T-Connector for Buick Envision

Part Numbers:

• 118725

Tools Required:

• Trim Panel Puller
• Test Probe

Step-by-Step Instructions:

1. Locate the Vehicle’s Trailer Harness Connector:

   • The harness is located under the vehicle, behind the rear bumper, on the driver’s side.

2. Prepare the Connector:

   • Remove the protective cap from the connector.
   • Ensure the mating surfaces of the connectors are clean and free of dirt.
   • Insert the 4-Pin Tow-Plug Adapter and lock it into place. Ensure connectors are fully inserted with locking tabs in place.

3. Secure the Wiring Harness:

   • Use the provided cable ties to secure the remainder of the T-One® T-Connector harness.
   • Avoid areas that could pinch, cut, or melt the wire.

4. Mount the 4-Flat End:

   • Mount the 4-flat connector in an accessible location using a bracket or electrical box (not included).

5. Install the Relays:

   • Open the rear hatch and locate the storage compartment on the driver’s side of the cargo area.
   • Insert the relays as shown.

   Warning: Only replace relays with the same terminal layout as the relays included with the kit.

6. Test the Installation:

   • Verify all connections are complete using a test light or trailer.
   • Reset the vehicle electrical system by temporarily removing the key from the ignition.

Specifications:

• Ensure not to exceed the stated product ratings or vehicle manufacturer specifications.

Safety Notes:

• Overloading circuits can cause fires. Always adhere to the product’s stated amperage ratings and towing specifications.
• Wear safety glasses and follow all safety precautions during installation.

Manufacturer Notes:

• Store these instructions for future reference.
• Refer to the vehicle owner’s manual for additional details.