Installation Instructions for Chevrolet Venture, Pontiac Trans Sport, Buick Terraza, Saturn Relay, and Oldsmobile Silhouette

Part Numbers:

• 75278
• 33094
• 87410
• 44574
• 75133 (U-Haul)

Applications:

• Chevrolet Venture & Uplander
• Pontiac Trans Sport & Montana & SV6
• Buick Terraza
• Saturn Relay
• Oldsmobile Silhouette

Tools Required:

• 1/2” Pull Wire (Provided)
• Wrenches: 10mm, 15mm, 3/4", 7/8", 17mm
• Drill Bits: 1/2”

Wiring Access Location:

• Refer to vehicle-specific instructions.

Step-by-Step Instructions:

1. Lower the Exhaust:

   • Detach the exhaust hanger on the passenger side to lower the vehicle exhaust.

2. Lower Load-Leveling Compressor (if applicable):

   • Detach the compressor on the driver’s side by removing (1) M10 bolt and (2) M6 nuts.

   Note: Trim the vertical tab on the compressor bracket if it interferes with the adjacent M10 bolt.

3. Install the Hitch:

   • Raise the hitch into position and secure it with M10 x 1.50 x 35mm CL10.9 bolts and 3/8” conical washers into the existing weldnuts on both sides.

4. Drill Holes for Additional Fasteners:

   • Use the rearmost holes in the hitch side brackets as a template to drill 1/2” holes in the vehicle frame rails.
   • For 2004 and older models:
     • Long wheelbase: Drill an additional 1/2” hole through the forwardmost passenger-side bracket location.
     • Short wheelbase: Align the forwardmost passenger-side bracket hole with the existing slot in the frame rail.
   • For 2005 and newer models:
     • Align the forwardmost slot in the passenger-side bracket with the existing weldnut in the frame rail.

5. Fishwire Fasteners (Passenger Side):

   • Use the provided pull wire to guide carriage bolts and spacer blocks through the existing slot in the frame rail and into position at the forwardmost hole.

   Note: Spacer block placement varies by model year and wheelbase:

   • 2004 and older short wheelbase: Place (2) blocks between the frame rail and hitch.
   • 2004 and older long wheelbase: Place (2) blocks between the hitch and lock washer.
   • 2005 and newer: Secure bolts through the fender support bar, hitch slot, and existing weldnut.

6. Secure Rear Fasteners:

   • Insert handle nuts through square holes inside the frame rail.
   • Install hex bolts and lock washers through the rearmost holes drilled in Step 4.

7. Reattach Components:

   • Reinstall the exhaust hanger and load-leveling compressor using M10 fasteners.

   Note for AWD Models: Pass the exhaust hanger through the 3” slot in the hitch side bracket. Use (2) 1/4” spacer blocks to reattach the hanger bracket.

Hardware List:

• (2) 1/4” x 1.50” x 2.00” Spacer Blocks
• (3) 1/2” Lock Washers
• (2) 1/2-13 x 1.50” GR5 Bolts
• (1) 1/2-13 x 2.00” GR5 Carriage Bolt
• (2) 1/2-13 Handle Nut Assemblies
• (5) M10 x 1.50 x 35mm CL10.9 Bolts
• (5) 3/8” Conical Washers

Torque Specifications:

• Tighten all M6 CL8.8 fasteners to 5 lb-ft (7 N·m).
• Tighten all 1/2-13 GR5 fasteners to 75 lb-ft (102 N·m).
• Tighten all M10 CL10.9 fasteners to 42 lb-ft (57 N·m).

Safety Notes:

• Check the hitch frequently to ensure all fasteners and the ball are properly tightened.
• If the hitch is removed, plug all holes in the trunk pan or other body panels to prevent water and exhaust fumes from entering.
• Replace any damaged hitch or ball immediately.
• Follow all safety precautions when working beneath the vehicle, and wear eye protection.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type and Weight Ratings:
  • Weight Distributing: Max Trailer Weight 5,000 lbs (2,270 kg), Max Tongue Weight 500 lbs (227 kg).
  • Weight Carrying (Ball Mount): Max Trailer Weight 3,500 lbs (1,589 kg), Max Tongue Weight 350 lbs (159 kg).
• Complies with safety specifications and requirements for connecting devices and towing systems of the State of New York, V.E.S.C. Regulation V-5, and SAE J684.

Installation Instructions for Chevrolet Venture, Pontiac Trans Sport, Buick Terraza, Saturn Relay, and Oldsmobile Silhouette

Part Numbers:

• 75278
• 33094
• 87410
• 44574
• 75133 (U-Haul)

Applications:

• Chevrolet Venture & Uplander
• Pontiac Trans Sport & Montana & SV6
• Buick Terraza
• Saturn Relay
• Oldsmobile Silhouette

Tools Required:

• 1/2” Pull Wire (Provided)
• Wrenches: 10mm, 15mm, 3/4", 7/8", 17mm
• Drill Bits: 1/2”

Wiring Access Location:

• Refer to vehicle-specific instructions.

Step-by-Step Instructions:

1. Lower the Exhaust:

   • Detach the exhaust hanger on the passenger side to lower the vehicle exhaust.

2. Lower Load-Leveling Compressor (if applicable):

   • Detach the compressor on the driver’s side by removing (1) M10 bolt and (2) M6 nuts.

   Note: Trim the vertical tab on the compressor bracket if it interferes with the adjacent M10 bolt.

3. Install the Hitch:

   • Raise the hitch into position and secure it with M10 x 1.50 x 35mm CL10.9 bolts and 3/8” conical washers into the existing weldnuts on both sides.

4. Drill Holes for Additional Fasteners:

   • Use the rearmost holes in the hitch side brackets as a template to drill 1/2” holes in the vehicle frame rails.
   • For 2004 and older models:
     • Long wheelbase: Drill an additional 1/2” hole through the forwardmost passenger-side bracket location.
     • Short wheelbase: Align the forwardmost passenger-side bracket hole with the existing slot in the frame rail.
   • For 2005 and newer models:
     • Align the forwardmost slot in the passenger-side bracket with the existing weldnut in the frame rail.

5. Fishwire Fasteners (Passenger Side):

   • Use the provided pull wire to guide carriage bolts and spacer blocks through the existing slot in the frame rail and into position at the forwardmost hole.

   Note: Spacer block placement varies by model year and wheelbase:

   • 2004 and older short wheelbase: Place (2) blocks between the frame rail and hitch.
   • 2004 and older long wheelbase: Place (2) blocks between the hitch and lock washer.
   • 2005 and newer: Secure bolts through the fender support bar, hitch slot, and existing weldnut.

6. Secure Rear Fasteners:

   • Insert handle nuts through square holes inside the frame rail.
   • Install hex bolts and lock washers through the rearmost holes drilled in Step 4.

7. Reattach Components:

   • Reinstall the exhaust hanger and load-leveling compressor using M10 fasteners.

   Note for AWD Models: Pass the exhaust hanger through the 3” slot in the hitch side bracket. Use (2) 1/4” spacer blocks to reattach the hanger bracket.

Hardware List:

• (2) 1/4” x 1.50” x 2.00” Spacer Blocks
• (3) 1/2” Lock Washers
• (2) 1/2-13 x 1.50” GR5 Bolts
• (1) 1/2-13 x 2.00” GR5 Carriage Bolt
• (2) 1/2-13 Handle Nut Assemblies
• (5) M10 x 1.50 x 35mm CL10.9 Bolts
• (5) 3/8” Conical Washers

Torque Specifications:

• Tighten all M6 CL8.8 fasteners to 5 lb-ft (7 N·m).
• Tighten all 1/2-13 GR5 fasteners to 75 lb-ft (102 N·m).
• Tighten all M10 CL10.9 fasteners to 42 lb-ft (57 N·m).

Safety Notes:

• Check the hitch frequently to ensure all fasteners and the ball are properly tightened.
• If the hitch is removed, plug all holes in the trunk pan or other body panels to prevent water and exhaust fumes from entering.
• Replace any damaged hitch or ball immediately.
• Follow all safety precautions when working beneath the vehicle, and wear eye protection.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type and Weight Ratings:
  • Weight Distributing: Max Trailer Weight 5,000 lbs (2,270 kg), Max Tongue Weight 500 lbs (227 kg).
  • Weight Carrying (Ball Mount): Max Trailer Weight 3,500 lbs (1,589 kg), Max Tongue Weight 350 lbs (159 kg).
• Complies with safety specifications and requirements for connecting devices and towing systems of the State of New York, V.E.S.C. Regulation V-5, and SAE J684.

Warranty Information:

• For complete warranty instructions, 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 T-Connector Adapter

Part Numbers:

• 118396

Tools Required:

• T-30 Torx® Bit and Driver
• Trim Panel Remover
• Phillips Head Screwdriver
• Drill with a 3/32" Drill Bit

Step-by-Step Instructions:

1. Remove Rear Taillight Assemblies:

   • Open the tailgate and remove the two T-30 Torx® head bolts on each side.
   • Carefully pry the taillight housings away from the vehicle, ensuring not to damage the alignment tabs.

2. Install T-Connector on the Driver’s Side:

   • Disconnect the wire harness from the driver’s side taillight socket.
   • Plug the T-Connector end with the yellow wire between the mating plugs on the driver’s side taillight socket and the vehicle wiring harness.

3. Route the Wiring:

   • Route the T-Connector end with the green wire and the 4-flat connector down through the opening between the vehicle bumper and body.
   • Route the green wire to the passenger side, being careful to avoid hot pipes, heat shields, the fuel tank, or other points that may pinch or damage the wire.
   • Bring the green wire up through the opening on the passenger side and connect it to the passenger-side taillight harness.

4. Ground the White Wire:

   • Locate a suitable grounding point near the connectors, such as an existing ground stud.
   • If no existing stud is available, drill a 3/32" hole and secure the white wire using the provided eyelet and screw.
   • Caution: Verify what is behind any surface before drilling to avoid vehicle damage or injury. Do not drill into exposed surfaces.

5. Reassemble the Vehicle:

   • Reinstall the plastic trim panels, threshold, storage covers, floor covering, and any other items removed during installation.
   • Reinstall the taillight assemblies, ensuring the vehicle wiring harness is positioned securely between the housing and the vehicle body.
   • Secure the remaining T-Connector harness under the bumper with the provided cable ties.

6. Test the Installation:

   • Test and verify the installation using a test light or trailer to ensure proper functionality.

   Specifications:

   • Max. stop/turn light: 1 per side (7.5 amps)
   • Max. tail lights: (7.5 amps)

Safety Notes:

• All connections must be complete for the T-Connector to function properly.
• Overloading circuits can cause fires. Do not exceed the towing manufacturer’s rating or the unit specifications.

Manufacturer Notes:

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

Installation Instructions for T-Connector Adapter

Part Numbers:

• 118396

Tools Required:

• T-30 Torx® Bit and Driver
• Trim Panel Remover
• Phillips Head Screwdriver
• Drill with a 3/32" Drill Bit

Step-by-Step Instructions:

1. Remove Rear Taillight Assemblies:

   • Open the tailgate and remove the two T-30 Torx® head bolts on each side.
   • Carefully pry the taillight housings away from the vehicle, ensuring not to damage the alignment tabs.

2. Install T-Connector on the Driver’s Side:

   • Disconnect the wire harness from the driver’s side taillight socket.
   • Plug the T-Connector end with the yellow wire between the mating plugs on the driver’s side taillight socket and the vehicle wiring harness.

3. Route the Wiring:

   • Route the T-Connector end with the green wire and the 4-flat connector down through the opening between the vehicle bumper and body.
   • Route the green wire to the passenger side, being careful to avoid hot pipes, heat shields, the fuel tank, or other points that may pinch or damage the wire.
   • Bring the green wire up through the opening on the passenger side and connect it to the passenger-side taillight harness.

4. Ground the White Wire:

   • Locate a suitable grounding point near the connectors, such as an existing ground stud.
   • If no existing stud is available, drill a 3/32" hole and secure the white wire using the provided eyelet and screw.
   • Caution: Verify what is behind any surface before drilling to avoid vehicle damage or injury. Do not drill into exposed surfaces.

5. Reassemble the Vehicle:

   • Reinstall the plastic trim panels, threshold, storage covers, floor covering, and any other items removed during installation.
   • Reinstall the taillight assemblies, ensuring the vehicle wiring harness is positioned securely between the housing and the vehicle body.
   • Secure the remaining T-Connector harness under the bumper with the provided cable ties.

6. Test the Installation:

   • Test and verify the installation using a test light or trailer to ensure proper functionality.

Specifications:

• Max. Stop/Turn Light: 1 per side (7.5 amps)
• Max. Tail Lights: (7.5 amps)

Safety Notes:

• All connections must be complete for the T-Connector to function properly.
• Overloading circuits can cause fires. Do not exceed the towing manufacturer’s rating or the unit specifications.

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.