Installation Instructions for Jeep Grand Cherokee (Excluding EcoDiesel Models)

Part Numbers:

• 75699
• 87595
• 44650

Tools Required:

• Wrench: 21mm

Weight Capacities:

• Weight Carrying (Ball Mount):
  • Max Gross Trailer Weight: 5,000 lbs (2,270 kg)
  • Max Tongue Weight: 500 lbs (227 kg)
• Weight Distributing:
  • Max Gross Trailer Weight: 7,500 lbs (3,405 kg)
  • Max Tongue Weight: 750 lbs (341 kg)

Wiring Access Location:

• 2011-2013: SUV 1, 2
• 2014-Present: SUV 3, 4

Step-by-Step Instructions:

1. Remove Tow Hook (if equipped):

• If the vehicle has an OEM tow hook, it must be permanently removed before installing the hitch.

2. Remove Factory Bolts:

• Remove (4) existing M14 bolts from the frame rail weld nuts.
• Important: Do not clean the threads. Retain the bolts for reinstallation.

3. Install Hitch:

• Raise the hitch into position under the vehicle’s frame rails.
• Align the hitch holes with the existing weld nuts on the frame.
• If excess caulking interferes with hitch installation, lower the hitch and scrape off the excess caulking from the frame rails.

4. Secure Fasteners:

• Reinstall the retained M14 bolts to secure the hitch to the frame.

5. Tighten Fasteners:

• Use a torque wrench to tighten all M14 fasteners to 115 lb-ft (156 N·m).

Safety Notes:

• Regularly inspect the hitch and 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 or exhaust fume entry.
• Replace any damaged hitch or ball immediately.
• Always wear safety glasses and observe precautions when working beneath a vehicle.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type: Class III
• Compliance: This product meets safety specifications and requirements per V.E.S.C. Regulation V-5 and SAE J684.

Note: Always adhere to the towing vehicle manufacturer’s weight rating or the hitch’s maximum load rating, whichever is lower.

Installation Instructions for T-One® T-Connector for Jeep Grand Cherokee

Part Numbers:

• 118727

Tools Required:

• Trim Panel Remover
• 10mm Socket & Ratchet or 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 Taillights:

   • Open the rear tailgate to access the screws securing the taillights.
   • On the driver’s side, remove the two clips holding the taillight in place.
   • Carefully pull the taillight away from the vehicle, avoiding damage to the alignment pins.
   • Repeat on the passenger side.

2. Connect the T-Connector:

   • Locate the black 3-pin connector behind the taillights.
   • Disconnect the vehicle’s wiring connectors carefully, ensuring not to break the locking tabs.
   • Insert the T-Connector end with the yellow wire between the driver-side wiring connectors and lock it in place.
   • Locate the black 2-pin connector and connect the T-Connector end with the brown wire.
   • Ensure all connectors are fully inserted and secure.

3. Route the Passenger-Side T-Connector:

   • Route the T-Connector end with the green wire and the 4-flat connector down through the opening between the bumper and body.
   • Route the green wire T-Connector up through the opening on the passenger side.
   • Connect the T-Connector with the green wire to the passenger-side wiring harness.

   Warning:

   • Avoid routing near hot pipes, heat shields, or fuel tanks to prevent wire damage.

4. Ground the White Wire:

   • Locate a suitable grounding point near the connector.
   • Clean the area of dirt and rustproofing.
   • Drill a 3/32” hole and secure the white wire with the provided eyelet and screw.

   Caution:

   • Verify the area behind the surface before drilling to avoid damage or injury.

5. Connect the Power Wire:

   • Inside the vehicle’s trunk, connect the black 12-gauge wire to the black wire from the T-Connector black box using the provided yellow butt connector.

6. Connect to the Vehicle Battery:

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

   Warning:

   • Follow all warnings and instructions for handling the vehicle’s battery.

7. Reconnect the Battery:

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

8. Mount the Black Box:

   • Locate a flat, out-of-the-way surface to mount the T-One® T-Connector’s black box using the provided double-sided tape.

9. Secure the Wiring:

   • Use the provided cable ties to secure the remaining harness.
   • Avoid areas where the wires could be pinched, cut, or melted.

10. Reassemble the Vehicle:

    • Reinstall the taillight assemblies and any other components removed during installation.
    • Ensure no wires are pinched or damaged.

11. Store the 4-Flat Connector:

    • Route the 4-flat connector to the center of the vehicle and mount it in an accessible location with a bracket or electrical box (not included).

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 product’s stated ratings or the vehicle manufacturer's specifications.
• Always wear safety glasses and follow safety precautions during installation.

Manufacturer Notes:

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

Installation Instructions for 4-Way to 7-Way Adapter and Brake Control Wiring

Tools Required:

• Phillips Head Screwdriver
• Drill with 3/32" Drill Bit
• 10mm Socket & Ratchet or Wrench
• Wire Crimpers
• Wire Cutters
• Test Light or Multimeter
• Cable Ties

Part 1: Install the 4-Way to 7-Way Adapter

Step-by-Step Instructions:

1. Mount the Adapter:

   • Choose a suitable mounting point on the vehicle, typically near the hitch.
   • Use the provided bracket and screws to secure the adapter.

2. Connect the 4-Flat Plug:

   • Plug the 4-flat connector on the adapter into the existing 4-flat plug on the vehicle.
   • This connection enables tail lights, left turn, and right turn signals.

3. Ground the Adapter:

   • Locate a clean, solid grounding point near the adapter.
   • Drill a 3/32" hole if necessary and secure the white ground wire from the adapter using the provided screw and eyelet.

4. Leave Additional Wires Disconnected:

   • The following wires will remain disconnected until Part 2:
     • Black Wire: Power from the battery.
     • Blue Wire: Brake control output.
     • Yellow Wire: Reverse light (optional; leave disconnected unless needed).

5. Test Initial Connection:

   • Use a test light or trailer to verify functionality of the 4-way connections (tail lights, turn signals).

Part 2: Install Brake Control Wiring

Step-by-Step Instructions:

1. Mount Circuit Breakers:

   • Install two 30A circuit breakers on the firewall or another suitable location near the battery.
   • Use self-tapping screws to mount them securely.

2. Route Power Wires:

   • Connect the black 12-gauge wire from the 7-way adapter to the auxiliary side of one circuit breaker (this powers the 7-way socket).
   • Run a heavy-gauge wire from the battery's positive terminal to the battery side of this circuit breaker, using a ring terminal.
   • Run another heavy-gauge wire from the battery's positive terminal to the auxiliary side of the second circuit breaker (for the brake controller).

3. Install the Brake Controller:

   • Mount the brake controller under the dash on a firm surface.
   • Use the following connections:
     • Red Wire: Connect to the cold side of the brake switch (active only when the brake pedal is pressed).
     • Blue Wire: Connect to the blue wire on the 7-way adapter for trailer brakes.
     • White Wire: Connect to a solid ground point on the vehicle body.
     • Black Wire: Connect to the auxiliary side of the second 30A circuit breaker (provides power to the brake controller).

4. Optional: Connect Reverse Light Circuit:

   • If the trailer has a reverse light circuit, connect the yellow wire from the 7-way adapter to the vehicle’s reverse light circuit.

5. Reconnect the Battery:

   • Reattach the negative battery cable and ensure all connections are secure.
   • Insert the fuses into both circuit breakers.

6. Secure All Wires:

   • Use cable ties to secure all loose wires and prevent damage or rattling.

7. Test the System:

   • Verify functionality of all circuits (running lights, turn signals, brake lights, and brake controller output).
   • If applicable, test the reverse light circuit.

Notes:

• Most installations will only require connecting the black and blue wires from the 7-way adapter.
• Leave the yellow wire disconnected unless the trailer has a reverse light or surge brake lockout circuit.
• Always adhere to safety guidelines and verify all connections before use.

Warning: Incorrect wiring can cause damage to the vehicle or trailer. Test all connections carefully before use.

Installation and Operation Instructions for the P3 Electronic Brake Control

Specifications:

• Supports 2, 4, 6, and 8 brake applications.
• Utilizes proportional braking with an inertial sensor.

Tools Required:

• Drill with a 1/8" bit.
• Screwdriver or nut driver.
• Wire crimp tool.
• Probe-type circuit tester.

Safety Notes:

1. Avoid mounting or activating RF-generating devices (e.g., cell phones) within 12 inches of the brake control.
2. Always adhere to the vehicle's Gross Combined Weight Rating (GCWR).
3. Do not use the Boost feature during icy or slippery road conditions.
4. Disconnect the trailer plug before testing a breakaway switch to prevent damage.

Hardware List:

• P3 Brake Control Unit.
• Mounting bracket.
• Wiring harness.
• #8 x 3/8" self-tapping screws.

Installation Instructions:

Mounting the Brake Control:

1. Traditional Bracket Mount:

   • Secure the bracket to a solid surface using the provided screws.
   • Attach the brake control unit and adjust to the desired angle.
   • Tighten screws securely.

2. Under Dash Pocket Mount:

   • Secure the small metal bracket with screws to a flat surface.
   • Attach the T-slot mount to the metal bracket and insert the brake control.

Wiring the Brake Control:

• Option 1: Use the included pigtail wiring harness for a generic installation.
• Option 2: Use an OEM-specific wiring harness compatible with the vehicle's tow package.
• Wire Functions:
  • Black: Positive power (+12V).
  • White: Vehicle ground.
  • Red: Cold side of brake pedal switch.
  • Blue: Trailer brakes output.

Setting Up the Control:

1. Connect the trailer to the vehicle.
2. Use the Menu/Options button to access the setup screen.
3. Select the brake type:
   • Electric: For electric brakes.
   • Hydraulic: For electric over hydraulic braking systems.
4. Adjust the power output to ensure effective braking without wheel lock-up.

Boost Feature:

• Provides enhanced braking sensitivity.
• Available in three levels:
  • B1: Light braking boost.
  • B2: Moderate braking boost.
  • B3: Aggressive braking boost.
• Recommended for heavier trailers or varying load conditions.

Reverse Mode:

• Cancel Boost and Hold features for 3 minutes by pressing and holding the Boost button for 5 seconds while holding the brake pedal.

Troubleshooting Guide:

Maintenance:

• Inspect connections and wiring regularly for damage or wear.
• Adjust trailer brakes after the first 200 miles of use and every 3,000 miles thereafter.
• Clean the brake control unit periodically to maintain optimal performance.

Warranty Information:

• Limited Lifetime Warranty:
  • Covers defects in materials and workmanship under normal use.
  • Excludes damage caused by misuse, improper installation, or external factors.
• Attention: For complete warranty instructions, 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.