Installation Instructions for Ram ProMaster (Except Extended Model)

Part Numbers:

• 75882
• 87655
• 44706

Wiring Access Location:

• SUV3, SUV4

Tools Required:

• Wrenches: 16mm, 3/4", T-30 Torque Head
• Other Tools: None

Step-by-Step Instructions:

1. Lower Spare Tire:

   • Lower and remove the spare tire to gain access to the installation area.

2. Remove Bumper Fascia Screws:

   • Remove eight (8) torque head screws (four on top, four on bottom) that secure the bumper fascia to the understructure.

3. Raise Hitch into Position:

   • Lift the hitch into place. For easier installation, raise one side of the forward attachment above the leaf spring, then repeat on the other side.

4. Install Nut Plate and Bolts:

   • Slide the nut plate into the frame from the front of the vehicle as shown. Hand-tighten the 1/2” bolts into place.

5. Insert Bolts Using Fish Wire:

   • Remove rubber grommets from the frame. Using the provided fish wires, insert two (2) 7/16” carriage bolts and two (2) 1/2” carriage bolts into their respective positions.

6. Secure Middle Bolts:

   • Attach the middle 7/16” bolts to the hitch and hand-tighten.

7. Install Spacer Blocks and Rear Bolts:

   • Slide 5/8” spacer blocks into place. Pass 1/2” bolts through the blocks and rearward slots in the vehicle frame as shown. Hand-tighten bolts.

8. Tighten All Fasteners:

   • Use a torque wrench to tighten all fasteners to the specified torque values:
     • 7/16”-14 GR5: 50 lb-ft (68 N*m)
     • 1/2”-13 GR5: 75 lb-ft (102 N*m)

9. Reinstall Bumper Fascia and Spare Tire:

   • Reattach the bumper fascia using the eight (8) screws removed earlier. Raise and secure the spare tire.

Hardware List:

• Qty (2): Nut Plate – 1/2"-13
• Qty (2): Carriage Bolt – 7/16"-14 x 1.75 GR5
• Qty (2): Carriage Bolt – 1/2"-13 x 1.50 GR5
• Qty (2): Carriage Bolt – 1/2"-13 x 2.25 GR5
• Qty (4): Spacer Block – 1/4" x 3.00" x 1.00"
• Qty (2): Spacer Block – 5/8" x 2.00" x 1.50"
• Qty (4): Conical Washer – 1/2"
• Qty (2): Conical Washer – 7/16"
• Qty (2): Hex Nut – 1/2"-13
• Qty (2): Hex Nut – 7/16"-14
• Qty (2): Fish Wire – 1/2"
• Qty (2): Fish Wire – 7/16"

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 body panels to prevent water and 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:

• Hitch Type: Weight Distributing
  • Max Gross Trailer Weight: 7,500 lbs (3,402 kg)
  • Max Tongue Weight: 750 lbs (340 kg)
• Hitch Type: Weight Carrying (Ball Mount)
  • Max Gross Trailer Weight: 6,000 lbs (2,722 kg)
  • Max Tongue Weight: 750 lbs (340 kg)

Manufacturer Notes:

• 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 T-One® T-Connector for Ram Promaster

Part Numbers:

• 118618

Tools Required:

• Trim Panel Remover
• 10mm Socket & Ratchet or 10mm Wrench
• Drill (3/32” Drill Bit)
• 1/4” Socket
• Wire Crimpers
• Wire Cutters
• Phillips Head Screwdriver
• Test Probe

Step-by-Step Instructions:

1. Access the Wiring Connectors:

   • Open the rear door and remove the access panel doors on both sides to expose the vehicle’s wiring connectors.
   • Several trim panel fasteners will need to be removed.

2. Disconnect the Wiring Harness:

   • Locate the connection points matching the T-One® T-Connector adapter ends behind each taillight housing.
   • Disconnect the wire harness carefully, ensuring not to damage the locking tabs.

3. Install the Driver-Side T-Connector:

   • Plug the T-One® T-Connector with the yellow wire between the vehicle’s mating connectors on the driver’s side.
   • Ensure all connectors are fully inserted with locking tabs in place.

4. Route the Passenger-Side T-Connector:

   • Route the T-Connector with the green wire through the trim panel access hole, across the top threshold, and through the passenger-side trim panel access hole.
   • Connect the green wire T-Connector to the passenger-side wiring harness.

   Tip: Use fish wire to pull the harness carefully to the passenger side for easier installation.

5. Ground the White Wire:

   • Locate a suitable grounding point on the driver’s side near the connectors.
   • Drill a 3/32” hole and secure the white wire using the provided eyelet and screw.

   Caution: Verify the surface behind before drilling to avoid damage or injury. Do not drill into exposed surfaces.

6. Mount the Black Box:

   • Mount the T-One® T-Connector black box using the double-sided tape provided.
   • Secure the remainder of the harness using the cable ties to prevent damage or rattling.

   Warning: Ensure the module is mounted with the epoxy side facing downward to prevent water accumulation.

7. Connect the Power Wire:

   • Locate the black 12-gauge power wire from the T-One® T-Connector box on the driver’s side.
   • Connect the provided black wire using the supplied yellow butt connector.
   • Route the black wire through a grommet or along the exterior frame to the engine compartment, avoiding areas that could pinch or damage the wire.

8. Connect to the Vehicle Battery:

   • Disconnect the vehicle’s negative (-) battery cable.
   • Attach the ring terminal to the positive (+) battery cable and connect the black wire to the fuse holder using the yellow butt connector.
   • Insert the 15-amp fuse into the fuse holder.

   Warning: Follow all warnings printed on the tow vehicle’s battery.

9. Reconnect the Battery:

   • Reconnect the negative (-) battery cable.
   • Test and verify the installation with a test light or trailer.

10. Secure the Wiring:

    • Use the provided cable ties to secure the wiring harness and prevent it from being pinched, cut, or melted.

11. Reassemble the Vehicle:

    • Reinstall the threshold, storage covers, floor covering, and any other components removed during installation.

12. Store the 4-Flat Connector:

    • Store the 4-flat connector in the rear cargo area when not in use.

Specifications:

• Max. stop/turn light: 2 per side (4.2 amps)
• Max. tail lights: 7.5 amps

Safety Notes:

• Overloading circuits can cause fires. Do not exceed stated ratings or manufacturer specifications.
• Always wear safety glasses and follow safety precautions during installation.

Manufacturer Notes:

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