Installation Instructions for Chevrolet Silverado 1500 and GMC Sierra 1500
(Requires OEM Bumper)

Part Numbers:

• 87430
• 75521
• 44563

Tools Required:

• Wrenches: 3/4", 21mm, 22mm
• Drill Bits: None

Wiring Access Location:

• PU3

Step-by-Step Instructions:

1. Remove Existing Fasteners:

   • Remove the existing M14 bolts from the end of each frame rail.

2. Position the Hitch:

   • Lift the hitch receiver into position, aligning the rearmost slots on the hitch with the existing weldnuts in the vehicle frame.

3. Install New M14 Bolts:

   • Install new M14 bolts through the hitch into the weldnuts in the vehicle frame and step bumper.

4. Install Remaining Fasteners:

   • Secure the hitch using the provided carriage bolts, flat washers, lock washers, and hex nuts as shown in the diagram.

5. Tighten Fasteners:

   • Use a torque wrench to tighten all fasteners to the following specifications:
     • Tighten M14 CL10.9 fasteners to 115 lb-ft (156 N·m).
     • Tighten 1/2"-13 GR5 fasteners to 75 lb-ft (102 N·m).

Hardware List:

• (4) M14 x 2.00 x 40mm CL10.9 Hex Bolts
• (4) 9/16" Lock Washers
• (4) 1/2"-13 x 1-3/4" GR5 Carriage Bolts
• (4) 9/16" Flat Washers
• (4) 1/2" Conical Washers
• (4) 1/2"-13 Hex Nuts

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.
• 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 10,500 lbs (4,767 kg), Max Tongue Weight 1,050 lbs (477 kg).
  • Weight Carrying (Ball Mount): Max Trailer Weight 6,000 lbs (2,724 kg), Max Tongue Weight 900 lbs (409 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 Vehicles (Generic)
(Requires OEM Bumper)

Part Numbers:

• 87430
• 75521
• 44563

Tools Required:

• Wrenches: 3/4", 21mm, 22mm
• Drill Bits: None

Wiring Access Location:

• PU3

Step-by-Step Instructions:

1. Remove Existing Fasteners:

   • Remove the existing M14 bolts from the end of each frame rail.

2. Position the Hitch:

   • Lift the hitch receiver into position, aligning the rearmost slots on the hitch with the existing weldnuts in the vehicle frame.

3. Install New M14 Bolts:

   • Install new M14 bolts through the hitch into the weldnuts in the vehicle frame and step bumper.

4. Install Remaining Fasteners:

   • Secure the hitch using the provided carriage bolts, flat washers, lock washers, and hex nuts as shown in the diagram.

5. Tighten Fasteners:

   • Use a torque wrench to tighten all fasteners to the following specifications:
     • Tighten M14 CL10.9 fasteners to 115 lb-ft (156 N·m).
     • Tighten 1/2"-13 GR5 fasteners to 75 lb-ft (102 N·m).

Hardware List:

• (4) M14 x 2.00 x 40mm CL10.9 Hex Bolts
• (4) 9/16" Lock Washers
• (4) 1/2"-13 x 1-3/4" GR5 Carriage Bolts
• (4) 9/16" Flat Washers
• (4) 1/2" Conical Washers
• (4) 1/2"-13 Hex Nuts

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.
• Follow all safety precautions when working beneath the vehicle, and wear eye protection.
• Do not cut access or attachment holes with a torch.

Warranty Information:

• For complete warranty instructions, please download the full installation PDF.

Specifications:

• Hitch Type and Weight Ratings:
  • Weight Distributing: Max Trailer Weight 10,500 lbs (4,767 kg), Max Tongue Weight 1,050 lbs (477 kg).
  • Weight Carrying (Ball Mount): Max Trailer Weight 6,000 lbs (2,724 kg), Max Tongue Weight 900 lbs (409 kg).
• Complies with safety specifications and requirements for connecting devices and towing systems.

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.

Installation Instructions for 7-Way Flat Pin Connector / 4-Flat Combo Adapter Harness

Part Numbers:

• 74682

Tools Required:

• Phillips Head Screwdriver
• Adjustable Wrench

Mounting Bracket Instructions:

1. Determine a suitable mounting point on the tow vehicle for the connector or use an existing mount. Ensure the trailer’s wire harness has sufficient length to reach this point.
2. Secure the mounting bracket on the rear of the tow vehicle or to the plate attached to the hitch cross tube using the self-tapping screws provided.
   • Caution: Do not drill into the hitch cross tube to avoid damage to the hitch or personal injury. Do not drill into any exposed surfaces. Refer to the hitch owner’s manual or instruction sheet for recommendations and limitations.

Socket Instructions:

1. Install the 7-way Blade Socket (connector) onto the mounting bracket using the screws and nuts provided.
2. Plug the OEM factory-equipped car-end socket harness into the 7-way Blade Car Socket.
3. Insert the 4-flat connector into the slot in the bracket.
4. Tighten all screws securely.

Safety Notes:

• All connections must be completed to ensure proper functionality. Test and verify the installation using a test light, circuit tester, or trailer.
• Warning: Overloading circuits can cause fires. DO NOT exceed the lower of the towing manufacturer’s rating or:
  • Max Right Turn, Left Turn, Stop, and Tail Light Circuits: 7.5 amps
  • Max (+) Battery, Reverse, and Electric Brake Circuits: 30 amps
• Consult the vehicle’s owner’s manual and instruction sheet for additional information. Additional fusing may be required.

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.

Warning: Improper use or failure to follow instructions may result in property damage, serious injury, or death. Always consult your vehicle and trailer manuals for compatibility and installation guidelines.

Installation Instructions for Electric Trailer Brake Control Wiring Adapter
Part Number: 301500

Tools Required:

• None

Step-by-Step Instructions:

Step 1: Locate the Vehicle’s Electric Junction Box

1. Find the black Electric Junction Box inside the vehicle:
   • Under the dashboard, left of the steering column, just above the carpet.
2. Remove the cover of the Electric Junction Box.
3. Locate the connection point for the electric trailer brakes in the top row, second slot from the left.

Step 2: Plug the Brake Control Adapter into the Vehicle Connector

1. Plug the brake control adapter into the mating connection point inside the Electric Junction Box.
2. Use a circuit tester to verify that battery (+) power is supplied to the adapter.

NOTE:

• Not all vehicles are pre-wired with complete power connections to the battery and/or wiring for electric trailer brakes.
• If power is already supplied, skip to Step 4.

Step 3: Add Power Supply (If Required)

For vehicles with no power supply:

1. Use an Electric Brake Control Wiring Kit and route all wires as described in the wiring kit instructions or as follows:

   A. Vehicle Brake Control Feed Wire (Blue):

   • Open the vehicle’s hood and locate the black Electrical Center Box on the driver’s side.
   • Remove the cover to access the blue brake control feed wire.
   • This step may require temporarily removing the vehicle’s support brace.

   B. Vehicle Battery (+) Power Supply Wire (Red):

   • Locate the red battery (+) power supply wire in the Electrical Center Box.
   • Connect the wiring and ensure an in-line fuse or circuit breaker is installed.
   • Reinstall the Electrical Center Box cover, lid, and support brace.

Step 4: Connect the Brake Controller

1. Plug the brake control adapter into the vehicle’s brake control harness connector.
2. Follow the brake control manufacturer’s instructions for wiring and mounting the unit.

Warnings:

1. Complete the installation following the brake control manufacturer’s instructions.
2. Mount the brake controller securely as directed.
3. Perform all test procedures outlined in the brake controller manual.
4. Do NOT overload the circuit:
   • Maximum capacity: 4 axles / 8 brakes (24 amps)
5. Always follow the vehicle manufacturer’s towing and load limits.

Wiring Overview:

• Blue Wire: Brake control feed wire (output to trailer brakes)
• Red Wire: Battery (+) power supply
• Ground: Connects brake controller to vehicle ground
• Stop Lamp Switch (Input): Vehicle braking signal to the brake controller

Final Notes:

• Periodically inspect the connections for tightness and wear.
• Ensure all wires are properly routed away from sharp edges, heat sources, and pinch points.
• Consult the vehicle owner’s manual for additional information regarding towing and electrical connections.

End of Instructions

Installation Instructions for Electric Trailer Brake Control Wiring Adapter
Part Number: 301500

Tools Required:

• None

Step-by-Step Instructions:

Step 1: Locate the Vehicle’s Electric Junction Box

1. Find the black Electric Junction Box inside the vehicle:
   • Under the dashboard, left of the steering column, just above the carpet.
2. Remove the cover of the Electric Junction Box.
3. Locate the connection point for the electric trailer brakes in the top row, second slot from the left.

Step 2: Plug the Brake Control Adapter into the Vehicle Connector

1. Plug the brake control adapter into the mating connection point inside the Electric Junction Box.
2. Use a circuit tester to verify that battery (+) power is supplied to the adapter.

NOTE:

• Not all vehicles are pre-wired with complete power connections to the battery and/or wiring for electric trailer brakes.
• If power is already supplied, skip to Step 4.

Step 3: Add Power Supply (If Required)

For vehicles with no power supply:

1. Use an Electric Brake Control Wiring Kit and route all wires as described in the wiring kit instructions or as follows:

   A. Vehicle Brake Control Feed Wire (Blue):

   • Open the vehicle’s hood and locate the black Electrical Center Box on the driver’s side.
   • Remove the cover to access the blue brake control feed wire.
   • This step may require temporarily removing the vehicle’s support brace.

   B. Vehicle Battery (+) Power Supply Wire (Red):

   • Locate the red battery (+) power supply wire in the Electrical Center Box.
   • Connect the wiring and ensure an in-line fuse or circuit breaker is installed.
   • Reinstall the Electrical Center Box cover, lid, and support brace.

Step 4: Connect the Brake Controller

1. Plug the brake control adapter into the vehicle’s brake control harness connector.
2. Follow the brake control manufacturer’s instructions for wiring and mounting the unit.

Warnings:

1. Complete the installation following the brake control manufacturer’s instructions.
2. Mount the brake controller securely as directed.
3. Perform all test procedures outlined in the brake controller manual.
4. Do NOT overload the circuit:
   • Maximum capacity: 4 axles / 8 brakes (24 amps)
5. Always follow the vehicle manufacturer’s towing and load limits.

Wiring Overview:

• Blue Wire: Brake control feed wire (output to trailer brakes)
• Red Wire: Battery (+) power supply
• Ground: Connects brake controller to vehicle ground
• Stop Lamp Switch (Input): Vehicle braking signal to the brake controller

Final Notes:

• Periodically inspect the connections for tightness and wear.
• Ensure all wires are properly routed away from sharp edges, heat sources, and pinch points.
• Consult the vehicle owner’s manual for additional information regarding towing and electrical connections.

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.

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 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.