Installation Instructions for Chevrolet Silverado Pickup and GMC Sierra Pickup (Vehicles with Amber Turn Signals)

Part Numbers:

• 41534

Wiring Access Location:

• PU3

Tools Required:

• Wrenches: 13/16", 7/8", 15/16", 21mm
• Drill Bits: None

Step-by-Step Instructions:

1. Remove Existing Bolts:

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

2. Lift Receiver into Position:

   • Lift the hitch receiver into position, aligning the rearmost slots in the receiver under the existing weldnuts in the vehicle frame.
   • For vehicles without a bumper, align the slots in the receiver over the fore/aft slot near the end of the frame.

3. Reinstall Existing Bolts:

   • Reinstall the M14 bolts through the receiver and frame into the existing weldnuts.
   • For vehicles without a bumper, ensure slots align correctly as shown in the instructions.

4. Install Additional Fasteners:

   • Attach the remaining fasteners as shown in the instructions.

5. Tighten Fasteners:

   • Tighten all M14 CL10.9 fasteners to 115 Lb.-Ft. (156 N*M).
   • Tighten all 9/16 GR5 fasteners to 110 Lb.-Ft. (149 N*M).
   • Tighten all 1/2"-13 GR5 fasteners to 75 Lb.-Ft. (102 N*M).

Hardware List:

• (6) 1/2-13 x 1.75 GR5 Carriage Bolts
• (6) 1/2" Conical Washers
• (6) 1/2"-13 GR5 Hex Nuts
• (2) 9/16-12 x 1.75 Bolts
• (2) 9/16-12 Hex Nuts
• (2) Lock Washers
• (4) Spacers
• (2) .25 x 1.50 x 3.00 Spacers
• (2) Flat Washers

Safety Notes:

• Regularly check that all fasteners and the ball are securely tightened.
• If the hitch is removed, plug all holes in the trunk pan or body panels to prevent water or exhaust fumes from entering the vehicle.
• Replace any damaged hitch or ball.
• Always wear eye protection when working under the vehicle.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type:
  • Weight Carrying: 6,000 lb. (2,724 kg) Max Gross Trailer Weight, 600 lb. (272 kg) Max Tongue Weight
  • Weight Distributing: 12,000 lb. (5,448 kg) Max Gross Trailer Weight, 1,200 lb. (545 kg) Max Tongue Weight
• This product complies with SAE J684 and New York V.E.S.C. Regulation V-5.

Installation Instructions for Pickup Trucks (Vehicles with Amber Turn Signals)

Part Numbers:

• 41534

Wiring Access Location:

• PU3

Tools Required:

• Wrenches: 13/16", 7/8", 15/16", 21mm
• Drill Bits: None

Step-by-Step Instructions:

1. Remove Existing Bolts:

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

2. Lift Receiver into Position:

   • Lift the hitch receiver into position, aligning the rearmost slots in the receiver under the existing weldnuts in the vehicle frame.
   • For vehicles without a bumper, align the slots in the receiver over the fore/aft slot near the end of the frame.

3. Reinstall Existing Bolts:

   • Reinstall the M14 bolts through the receiver and frame into the existing weldnuts.
   • For vehicles without a bumper, ensure slots align correctly as shown in the instructions.

4. Install Additional Fasteners:

   • Attach the remaining fasteners as shown in the instructions.

5. Tighten Fasteners:

   • Tighten all M14 CL10.9 fasteners to 115 Lb.-Ft. (156 N*M).
   • Tighten all 9/16 GR5 fasteners to 110 Lb.-Ft. (149 N*M).
   • Tighten all 1/2"-13 GR5 fasteners to 75 Lb.-Ft. (102 N*M).

Hardware List:

• (6) 1/2-13 x 1.75 GR5 Carriage Bolts
• (6) 1/2" Conical Washers
• (6) 1/2"-13 GR5 Hex Nuts
• (2) 9/16-12 x 1.75 Bolts
• (2) 9/16-12 Hex Nuts
• (2) Lock Washers
• (4) Spacers
• (2) .25 x 1.50 x 3.00 Spacers
• (2) Flat Washers

Safety Notes:

• Regularly check that all fasteners and the ball are securely tightened.
• If the hitch is removed, plug all holes in the trunk pan or body panels to prevent water or exhaust fumes from entering the vehicle.
• Replace any damaged hitch or ball.
• Always wear eye protection when working under the vehicle.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type:
  • Weight Carrying: 6,000 lb. (2,724 kg) Max Gross Trailer Weight, 600 lb. (272 kg) Max Tongue Weight
  • Weight Distributing: 12,000 lb. (5,448 kg) Max Gross Trailer Weight, 1,200 lb. (545 kg) Max Tongue Weight
• This product complies with SAE J684 and New York V.E.S.C. Regulation V-5.

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.

Warranty:

This product is covered by a limited warranty. For complete warranty instructions, please download the full installation PDF.

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 Instructions for Electronic Brake Control
Part Number: N5535

Components of the Brake Control:

• A. Output (Gain) Control
• B. Boost Control
• C. Manual Slide Control
• D. Bracket Mounting Holes
• E. LED Display

Package Contents:

• (1) Brake Control Unit
• (1) Mounting Bracket
• (4) Self-Tapping Mounting Screws (#6 x 3/8”)
• (1) Warranty Card

Tools Required:

• Phillips Screwdriver
• Drill with 1/8” Drill Bit
• Wire Connector Crimp Tool
• Probe-Type Circuit Tester
• Wire Cutter/Stripper
• Assorted End Wrenches

Wiring and Controls:

• Black Wire: Vehicle Power
• Red Wire: Stop Light Switch
• White Wire: Vehicle Ground
• Blue Wire: Trailer Brakes

Installation Steps:

Step 1: Selecting a Mounting Location

1. Choose a secure, solid surface that is easily accessible to the driver.
2. Ensure the area behind the panel is clear to avoid damage during drilling.

Step 2: Install the Mounting Bracket

1. Hold the mounting bracket in the selected position and mark the hole locations.
2. Drill holes with a 1/8” drill bit.
3. Secure the bracket using (2) self-tapping screws (provided).
4. Mount the Brake Control unit into the bracket with the remaining screws.

Adjusting Power to the Trailer Brakes:

1. Connect the trailer to the tow vehicle.
2. With the engine running, hold the Manual Slide Control fully to the left and set the Output (Gain) Control to approximately 5.0.
3. Drive at 25 mph on a level, dry, paved surface.
4. Fully apply the Manual Slide Control:
   • If the trailer brakes lock up: Decrease the power using the Output/Gain Control.
   • If braking is insufficient: Increase the power.
5. Repeat until braking is sufficient but just below wheel lock-up.
6. Test braking using the brake pedal at low speeds.

Boost Control:

The Boost feature increases braking aggressiveness with three levels:

• b.1: Boost Level 1 – Starts braking at 14% power.
• b.2: Boost Level 2 – Starts braking at 28% power.
• b.3: Boost Level 3 – Highest boost setting for heavy loads.

To Activate Boost:

• Press the Boost Button to display the current level.
• Use the + or - buttons to adjust.

Troubleshooting:

Brake Adjustment Procedure:

1. Raise the trailer and secure it with jack stands.
2. Remove the cover on the brake backing plate.
3. Adjust the brake shoes until the wheel is hard to turn.
4. Back off the adjuster slightly until the wheel spins freely with slight drag.
5. Repeat for all wheels.

End of Instructions

Installation Instructions for Electronic Brake Control

Part Number: N5535

Components of the Brake Control:

• A. Output (Gain) Control
• B. Boost Control
• C. Manual Slide Control
• D. Bracket Mounting Holes
• E. LED Display

Package Contents:

• (1) Brake Control Unit
• (1) Mounting Bracket
• (4) Self-Tapping Mounting Screws (#6 x 3/8”)
• (1) Warranty Card

Tools Required:

• Phillips Screwdriver
• Drill with 1/8” Drill Bit
• Wire Connector Crimp Tool
• Probe-Type Circuit Tester
• Wire Cutter/Stripper
• Assorted End Wrenches

Wiring and Controls:

• Black Wire: Vehicle Power
• Red Wire: Stop Light Switch
• White Wire: Vehicle Ground
• Blue Wire: Trailer Brakes

Installation Steps:

Step 1: Selecting a Mounting Location

1. Choose a secure, solid surface that is easily accessible to the driver.
2. Ensure the area behind the panel is clear to avoid damage during drilling.

Step 2: Install the Mounting Bracket

1. Hold the mounting bracket in the selected position and mark the hole locations.
2. Drill holes with a 1/8” drill bit.
3. Secure the bracket using (2) self-tapping screws (provided).
4. Mount the Brake Control unit into the bracket with the remaining screws.

Adjusting Power to the Trailer Brakes:

1. Connect the trailer to the tow vehicle.
2. With the engine running, hold the Manual Slide Control fully to the left and set the Output (Gain) Control to approximately 5.0.
3. Drive at 25 mph on a level, dry, paved surface.
4. Fully apply the Manual Slide Control:
   • If the trailer brakes lock up: Decrease the power using the Output/Gain Control.
   • If braking is insufficient: Increase the power.
5. Repeat until braking is sufficient but just below wheel lock-up.
6. Test braking using the brake pedal at low speeds.

Boost Control:

The Boost feature increases braking aggressiveness with three levels:

• b.1: Boost Level 1 – Starts braking at 14% power.
• b.2: Boost Level 2 – Starts braking at 28% power.
• b.3: Boost Level 3 – Highest boost setting for heavy loads.

To Activate Boost:

• Press the Boost Button to display the current level.
• Use the + or - buttons to adjust.

Troubleshooting:

Brake Adjustment Procedure:

1. Raise the trailer and secure it with jack stands.
2. Remove the cover on the brake backing plate.
3. Adjust the brake shoes until the wheel is hard to turn.
4. Back off the adjuster slightly until the wheel spins freely with slight drag.
5. Repeat for all wheels.

Warranty Information:

• Limited Lifetime Warranty:
  • Covers defects in materials and workmanship.
  • Excludes normal wear and tear, misuse, or improper installation.
• For complete warranty information, 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.

For complete installation instructions, including diagrams and detailed information from the manufacturer, please download the full installation PDF.

End of Instructions