Installation Instructions for Chevrolet Trailblazer (2020-Present) and Buick Encore GX (2020-Present)

Part Numbers:

• 76585
• 84585
• CQT76585

Tools Required:

• Safety Glasses
• Ratchet
• Torque Wrench
• Plastic Trim Tools
• Tape Measure
• Utility Knife
• Marker
• Sockets: 7mm, 15mm
• T15 and T20 Star Drivers
• Flat Head Screwdriver
• Silicone Sealant

Weight Capacities:

• Weight Carrying:
  • Max Gross Trailer Weight: 3,500 lbs (1,587 kg)
  • Max Tongue Weight: 525 lbs (238 kg)
• Weight Distributing:
  • Not Applicable

Installation Time:

• Estimated: 60 minutes

Step-by-Step Instructions:

1. Remove Taillights:

• Open the tailgate.
• Remove the plastic cover near the taillight using a T15 star driver. Remove (2) screws holding the cover to the taillight housing on both sides.
• Gently pull the taillights rearward to remove them.
• Disconnect the wiring harness and set the taillights aside.

2. Remove Fascia:

• Push-Pin Rivets: Use a flat head screwdriver to remove plastic push-pin rivets from the underside of the rear bumper fascia on both sides.
• Wheel Well Screws: Remove (1) screw at the outer bottom edge of the rear bumper fascia near the wheel well on both sides using a T15 star driver.
• Wheel Well Liner: Inside the rear wheel well, use a T15 star driver to remove (3) screws on both sides.
• Taillight Screws: Use a T20 star driver to remove (1) screw below each taillight.
• Partially Detach Fascia: Using a plastic trim tool, partially remove the fascia starting at the wheel wells. Do not remove the top portion of the wheel well trim, as it will not reinstall properly.
• Hidden Screws: Use a 7mm socket to remove (2) screws hidden behind the wheel well trim on both sides.
• If equipped, disconnect all wiring harnesses from the fascia and set it aside.

3. Remove Bumper Beam:

• Remove caulking around the bumper beam mounting surface.
• Use a 15mm socket with a 6” extension to remove (6) M10 flange hex nuts securing the bumper beam.
• Set the bumper beam aside. Retain the M10 hex flange nuts for hitch installation.

4. Install Hitch and Bumper Beam:

• Apply silicone sealant around the openings on the end panels on both sides.
• Raise the hitch and bumper beam into position, aligning the holes with the studs on the end panels.
• Loosely reinstall the (6) existing M10 hex flange nuts removed earlier.
• Tighten all M10-1.25 CL8.8 fasteners to 42 lb-ft (57 N·m).

5. Trim Fascia:

• Locate the center of the fascia. Use a tape measure, marker, and utility knife to cut a notch in the bottom of the fascia.
• Chevy Trailblazer: Refer to the diagram for a 4” by 3-5/8” cut.
• Buick Encore GX: Refer to the diagram for a 4” square cut.
• Ensure the area is clear of electrical wiring before trimming.

6. Additional Steps for Buick Encore GX:

• Use pliers to flatten a 1” tab on the end panel on the driver’s side of the vehicle.
• Remove the plastic panel behind the bumper fascia by detaching (2) screws, (4) tabs, and (3) push clips. Return the plastic panel to the owner.

7. Reinstall Components:

• Reconnect all wiring harnesses before reinstalling the fascia.
• Reinstall the fascia using the original hardware removed earlier.
• Reinstall the taillights and taillight covers.

Safety Notes:

• Regularly inspect the hitch and fasteners to ensure proper attachment.
• Plug all holes in the trunk pan or body panels if the hitch is removed to prevent water or exhaust fume entry.
• Replace any damaged hitch or ball immediately.
• Always wear safety glasses and observe safety precautions when working beneath the vehicle.
• Do not cut access or attachment holes with a torch.

Specifications:

• Hitch Type: Class III
• Compliance: This product meets safety specifications 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 Chevrolet Trailblazer (2020-Present) and Buick Encore GX (2020-Present)

Part Numbers:

• 76585
• 84585
• CQT76585

Tools Required:

• Safety Glasses
• Ratchet
• Torque Wrench
• Plastic Trim Tools
• Tape Measure
• Utility Knife
• Marker
• Sockets: 7mm, 15mm
• T15 and T20 Star Drivers
• Flat Head Screwdriver
• Silicone Sealant

Weight Capacities:

• Weight Carrying:
  • Max Gross Trailer Weight: 3,500 lbs (1,587 kg)
  • Max Tongue Weight: 525 lbs (238 kg)
• Weight Distributing:
  • Not Applicable

Installation Time:

• Estimated: 60 minutes

Step-by-Step Instructions:

1. Remove Taillights:

• Open the tailgate.
• Remove the plastic cover near the taillight using a T15 star driver. Remove (2) screws holding the cover to the taillight housing on both sides.
• Gently pull the taillights rearward to remove them.
• Disconnect the wiring harness and set the taillights aside.

2. Remove Fascia:

• Push-Pin Rivets: Use a flat head screwdriver to remove plastic push-pin rivets from the underside of the rear bumper fascia on both sides.
• Wheel Well Screws: Remove (1) screw at the outer bottom edge of the rear bumper fascia near the wheel well on both sides using a T15 star driver.
• Wheel Well Liner: Inside the rear wheel well, use a T15 star driver to remove (3) screws on both sides.
• Taillight Screws: Use a T20 star driver to remove (1) screw below each taillight.
• Partially Detach Fascia: Using a plastic trim tool, partially remove the fascia starting at the wheel wells. Do not remove the top portion of the wheel well trim, as it will not reinstall properly.
• Hidden Screws: Use a 7mm socket to remove (2) screws hidden behind the wheel well trim on both sides.
• If equipped, disconnect all wiring harnesses from the fascia and set it aside.

3. Remove Bumper Beam:

• Remove caulking around the bumper beam mounting surface.
• Use a 15mm socket with a 6” extension to remove (6) M10 flange hex nuts securing the bumper beam.
• Set the bumper beam aside. Retain the M10 hex flange nuts for hitch installation.

4. Install Hitch and Bumper Beam:

• Apply silicone sealant around the openings on the end panels on both sides.
• Raise the hitch and bumper beam into position, aligning the holes with the studs on the end panels.
• Loosely reinstall the (6) existing M10 hex flange nuts removed earlier.
• Tighten all M10-1.25 CL8.8 fasteners to 42 lb-ft (57 N·m).

5. Trim Fascia:

• Locate the center of the fascia. Use a tape measure, marker, and utility knife to cut a notch in the bottom of the fascia.
• Chevy Trailblazer: Refer to the diagram for a 4” by 3-5/8” cut.
• Buick Encore GX: Refer to the diagram for a 4” square cut.
• Ensure the area is clear of electrical wiring before trimming.

6. Additional Steps for Buick Encore GX:

• Use pliers to flatten a 1” tab on the end panel on the driver’s side of the vehicle.
• Remove the plastic panel behind the bumper fascia by detaching (2) screws, (4) tabs, and (3) push clips. Return the plastic panel to the owner.

7. Reinstall Components:

• Reconnect all wiring harnesses before reinstalling the fascia.
• Reinstall the fascia using the original hardware removed earlier.
• Reinstall the taillights and taillight covers.

Safety Notes:

• Regularly inspect the hitch and fasteners to ensure proper attachment.
• Plug all holes in the trunk pan or body panels if the hitch is removed to prevent water or exhaust fume entry.
• Replace any damaged hitch or ball immediately.
• Always wear safety glasses and observe safety precautions when working beneath the vehicle.
• Do not cut access or attachment holes with a torch.

Specifications:

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

Additional Notes:

• 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 Information:

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

Installation Instructions for T-One® T-Connector for Chevrolet Trailblazer

Part Numbers:

• 118825

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. Open the Rear Hatch:

   • Temporarily remove the rear threshold plate, privacy screen, storage covers, and floor covering.
   • Open the rear doors and fold the rear seats forward.

2. Remove Interior Trim Panels:

   • Partially remove the rear interior trim panels on both the driver and passenger sides.
   • Remove all necessary trim panel fasteners to access the vehicle’s taillight wiring harness.
   • Carefully set aside all removed parts to avoid damage.

3. Locate the Vehicle’s Taillight Wiring Harness:

   • On both the driver’s and passenger’s sides, locate the taillight wiring harness connectors.
   • Disconnect the connectors carefully, ensuring not to damage the locking tabs.
   • Ensure all connector surfaces are clean and free of dirt.

4. Connect the Driver-Side T-Connector:

   • Insert the T-One® Connector end with the yellow wire between the driver-side wiring connectors.
   • Ensure the connectors are fully inserted with locking tabs securely in place.

5. Route the Passenger-Side T-Connector:

   • Route the connector containing the green wire along the threshold to the passenger side of the vehicle.
   • Insert the T-One® Connector end with the green wire between the passenger-side wiring connectors and lock it into place.

6. Ground the White Wire:

   • Locate a suitable grounding point near the connector, such as the vehicle’s frame or crossmember.
   • Clean the grounding area of dirt and rustproofing.
   • Drill a 3/32” hole and secure the white wire using the provided eyelet and screw.

   Caution: Verify the area behind any surface before drilling to avoid damage or injury.

7. Route the Power Wire:

   • Locate the black 12-gauge power wire from the T-One® Connector black box.
   • Attach the provided black wire and route it along the vehicle’s exterior frame to the engine compartment, avoiding areas that may pinch, cut, or damage the wire.

8. Connect to the Vehicle Battery:

   • Disconnect the vehicle’s Negative (-) battery cable.
   • Remove the fuse from the yellow fuse holder (provided).
   • Attach the ring terminal to the Positive (+) battery cable and secure it.
   • Connect the other end of the fuse holder to the black wire using the provided yellow butt connector.

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

9. Reconnect the Battery and Test:

   • Reconnect the Negative (-) battery cable.
   • Insert the 15-amp fuse into the fuse holder.
   • Test the installation using a test light or trailer. Reset the vehicle’s electrical system by temporarily removing the key from the ignition.

10. Mount the T-One® Black Box:

    • Locate a flat surface in an out-of-the-way location and mount the black box module using the provided double-sided tape.

11. Secure the Harness:

    • Use the provided cable ties to secure the remaining T-One® T-Connector harness, avoiding areas where it could pinch, cut, or melt.

12. Reassemble the Vehicle:

    • Replace all panels, threshold covers, and floor coverings removed during installation.
    • Ensure no wires are pinched or damaged.

13. Store the 4-Flat Connector:

    • Store the 4-flat connector in the rear cargo area when not in use.
    • When in use, pull the 4-flat connector through the door and close carefully, avoiding pinching the harness in the door latch.

Safety Notes:

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

Manufacturer Notes:

• Refer to the vehicle owner’s manual and the instruction sheet for additional details.
• Store these instructions for future reference.
• Always read and follow all warnings and instructions printed on the tow vehicle’s battery.

Installation Instructions for T-One® T-Connector for Chevrolet Trailblazer

Part Numbers:

• 118825

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. Open the Rear Hatch:

   • Temporarily remove the rear threshold plate, privacy screen, storage covers, and floor covering.
   • Open the rear doors and fold the rear seats forward.

2. Remove Interior Trim Panels:

   • Partially remove the rear interior trim panels on both the driver and passenger sides.
   • Remove all necessary trim panel fasteners to access the vehicle’s taillight wiring harness.
   • Carefully set aside all removed parts to avoid damage.

3. Locate the Vehicle’s Taillight Wiring Harness:

   • On both the driver’s and passenger’s sides, locate the taillight wiring harness connectors.
   • Disconnect the connectors carefully, ensuring not to damage the locking tabs.
   • Ensure all connector surfaces are clean and free of dirt.

4. Connect the Driver-Side T-Connector:

   • Insert the T-One® Connector end with the yellow wire between the driver-side wiring connectors.
   • Ensure the connectors are fully inserted with locking tabs securely in place.

5. Route the Passenger-Side T-Connector:

   • Route the connector containing the green wire along the threshold to the passenger side of the vehicle.
   • Insert the T-One® Connector end with the green wire between the passenger-side wiring connectors and lock it into place.

6. Ground the White Wire:

   • Locate a suitable grounding point near the connector, such as the vehicle’s frame or crossmember.
   • Clean the grounding area of dirt and rustproofing.
   • Drill a 3/32” hole and secure the white wire using the provided eyelet and screw.

   Caution: Verify the area behind any surface before drilling to avoid damage or injury.

7. Route the Power Wire:

   • Locate the black 12-gauge power wire from the T-One® Connector black box.
   • Attach the provided black wire and route it along the vehicle’s exterior frame to the engine compartment, avoiding areas that may pinch, cut, or damage the wire.

8. Connect to the Vehicle Battery:

   • Disconnect the vehicle’s Negative (-) battery cable.
   • Remove the fuse from the yellow fuse holder (provided).
   • Attach the ring terminal to the Positive (+) battery cable and secure it.
   • Connect the other end of the fuse holder to the black wire using the provided yellow butt connector.

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

9. Reconnect the Battery and Test:

   • Reconnect the Negative (-) battery cable.
   • Insert the 15-amp fuse into the fuse holder.
   • Test the installation using a test light or trailer. Reset the vehicle’s electrical system by temporarily removing the key from the ignition.

10. Mount the T-One® Black Box:

    • Locate a flat surface in an out-of-the-way location and mount the black box module using the provided double-sided tape.

11. Secure the Harness:

    • Use the provided cable ties to secure the remaining T-One® T-Connector harness, avoiding areas where it could pinch, cut, or melt.

12. Reassemble the Vehicle:

    • Replace all panels, threshold covers, and floor coverings removed during installation.
    • Ensure no wires are pinched or damaged.

13. Store the 4-Flat Connector:

    • Store the 4-flat connector in the rear cargo area when not in use.
    • When in use, pull the 4-flat connector through the door and close carefully, avoiding pinching the harness in the door latch.

Safety Notes:

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

Manufacturer Notes:

• Refer to the vehicle owner’s manual and the instruction sheet for additional details.
• Store these instructions for future reference.
• Always read and follow all warnings and instructions printed on the tow vehicle’s battery.

Installation Instructions for 4-Way to 7-Way Adapter and Brake Control Wiring (Economy Version)

Tools Required:

• Phillips Head Screwdriver
• Drill with 3/32" Drill Bit
• 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 near the hitch.
   • Use a bracket (sold separately) to secure the adapter.

2. Connect the 4-Flat Plug:

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

3. Ground the Adapter:

   • Locate a solid grounding point near the adapter (e.g., frame or cross member).
   • Clean the area to ensure good contact and secure the large white wire with the provided eyelet and screw.

4. Leave Additional Wires Disconnected:

   • The blue wire (brake control) will remain disconnected at this stage.
   • No additional power or reverse light connections are included with this economy kit.

5. Test Initial Connection:

   • Verify functionality of the 4-way circuits (tail lights and turn signals) using a test light or trailer.

Part 2: Install the Brake Control Wiring Kit

Wire Functions:

• Red Wire: Connects to the cold side of the stoplight switch (active only when the brake pedal is pressed).
• Black Wire: Connects to the battery (+) via the 20A in-line fuse.
• White Wire: Ground (-) to the vehicle frame or negative battery terminal.
• Blue Wire: Connects to the blue wire from the 7-way adapter for trailer brakes.

Step-by-Step Instructions:

1. Disconnect the Battery:

   • Disconnect the negative (-) battery cable before beginning installation.

2. Mount the Brake Controller:

   • Secure the brake controller under the dash on a firm surface within reach of the driver.

3. Route and Connect Wires:

   • Red Wire:
     • Locate the stoplight switch under the dashboard.
     • Use the provided wire tap to connect the red wire to the cold side of the stoplight switch.
   • Black Wire:
     • Connect one end of the black wire to the positive battery terminal using a ring terminal.
     • Insert the provided 20A in-line fuse between the battery and the brake controller.
   • White Wire:
     • Connect the white wire to a solid ground point on the vehicle’s chassis or directly to the negative battery terminal.
   • Blue Wire:
     • Route the blue wire to the 7-way adapter and connect it to the blue wire from the adapter.

4. Secure the Wiring:

   • Use cable ties to secure all wires, avoiding hot or moving parts.
   • Pass wires through existing grommets or add a grommet/silicone to insulate wires passing through metal surfaces.

5. Reconnect the Battery:

   • Reattach the negative (-) battery cable.

6. Test the System:

   • Verify functionality of the brake controller using a trailer or test light.
   • Ensure proper brake signal is sent to the trailer.

Notes:

• This economy kit does not include a dedicated power circuit for accessories or battery charging via the 7-way connector.
• The blue wire from the 7-way adapter is used exclusively for trailer brake control.
• Always verify all connections before use and follow safety guidelines during installation.

Warning: Improper installation or overloaded circuits can result in damage or fire. Test all connections carefully.

Installation Instructions for 4-Way to 7-Way Adapter and Brake Control Wiring (Economy Version)

Tools Required:

• Phillips Head Screwdriver
• Drill with 3/32" Drill Bit
• 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 near the hitch.
   • Use a bracket (sold separately) to secure the adapter.

2. Connect the 4-Flat Plug:

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

3. Ground the Adapter:

   • Locate a solid grounding point near the adapter (e.g., frame or cross member).
   • Clean the area to ensure good contact and secure the large white wire with the provided eyelet and screw.

4. Leave Additional Wires Disconnected:

   • The blue wire (brake control) will remain disconnected at this stage.
   • No additional power or reverse light connections are included with this economy kit.

5. Test Initial Connection:

   • Verify functionality of the 4-way circuits (tail lights and turn signals) using a test light or trailer.

Part 2: Install the Brake Control Wiring Kit

Wire Functions:

• Red Wire: Connects to the cold side of the stoplight switch (active only when the brake pedal is pressed).
• Black Wire: Connects to the battery (+) via the 20A in-line fuse.
• White Wire: Ground (-) to the vehicle frame or negative battery terminal.
• Blue Wire: Connects to the blue wire from the 7-way adapter for trailer brakes.

Step-by-Step Instructions:

1. Disconnect the Battery:

   • Disconnect the negative (-) battery cable before beginning installation.

2. Mount the Brake Controller:

   • Secure the brake controller under the dash on a firm surface within reach of the driver.

3. Route and Connect Wires:

   • Red Wire:
     • Locate the stoplight switch under the dashboard.
     • Use the provided wire tap to connect the red wire to the cold side of the stoplight switch.
   • Black Wire:
     • Connect one end of the black wire to the positive battery terminal using a ring terminal.
     • Insert the provided 20A in-line fuse between the battery and the brake controller.
   • White Wire:
     • Connect the white wire to a solid ground point on the vehicle’s chassis or directly to the negative battery terminal.
   • Blue Wire:
     • Route the blue wire to the 7-way adapter and connect it to the blue wire from the adapter.

4. Secure the Wiring:

   • Use cable ties to secure all wires, avoiding hot or moving parts.
   • Pass wires through existing grommets or add a grommet/silicone to insulate wires passing through metal surfaces.

5. Reconnect the Battery:

   • Reattach the negative (-) battery cable.

6. Test the System:

   • Verify functionality of the brake controller using a trailer or test light.
   • Ensure proper brake signal is sent to the trailer.

Notes:

• This economy kit does not include a dedicated power circuit for accessories or battery charging via the 7-way connector.
• The blue wire from the 7-way adapter is used exclusively for trailer brake control.
• Always verify all connections before use and follow safety guidelines during installation.

Warning: Improper installation or overloaded circuits can result in damage or fire. Test all connections carefully.

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.

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 Brake Control Plugin Wiring Harness (Part 20127/8506920)

Tools Required:

• Wire Stripper & Cutter
• Pliers

Overview:

This brake control plugin wiring harness is designed for quick and secure connections to your brake controller. It simplifies installation by matching functions and connecting to the corresponding wires in your vehicle.

Step-by-Step Instructions:

1. Disconnect the Battery:

   • Before beginning, disconnect the battery terminals to prevent electrical shorts or damage.

2. Connect the Wires:

   • Refer to the following chart to match the harness wires to their functions:
     • Black Wire: Battery Positive (+)
     • Red Wire: Stoplight Signal (active when the brake pedal is pressed)
     • White Wire: Ground (-)
     • Blue Wire: Output to Trailer Brakes
   • Use the appropriate connectors to secure each wire, ensuring a solid connection.

3. Secure the Wiring Harness:

   • Mount the wiring harness under the dashboard or another safe location, keeping it away from moving parts or sharp edges.

4. Plug in the Brake Controller:

   • Insert the wiring harness connector into the brake controller, ensuring it clicks securely into place.

5. Reconnect the Battery:

   • Reattach the battery terminals, ensuring they are clean and tightly connected.

6. Test the System:

   • Use a test light, circuit tester, or trailer to verify all functions:
     • The brake controller powers on.
     • The manual override activates the trailer brakes.
     • Stoplight signals and trailer brakes function properly when the brake pedal is pressed.

Notes:

• Always connect wires based on function, not color, to ensure proper operation.
• Consult your vehicle manual for fuse locations related to the brake control system.
• Verify all connections are secure and tested before use.

Warning:

• All connections must be complete for the system to function properly.
• Overloading circuits can cause damage or fire. Do not exceed the lower of the towing manufacturer’s ratings or:
  • Max. Right Turn, Left Turn, Stop, & Tail Light Circuits: 7.5 amps
  • Max. (+) Battery, Reverse, and Electric Brake Circuits: 30 amps
• Refer to your vehicle’s owner’s manual for additional instructions. Additional fusing may be required.

For safe towing and optimal performance, ensure all connections are properly secured and tested.

Installation Instructions for Brake Control Plugin Wiring Harness (Part 20127/8506920)

Tools Required:

• Wire Stripper & Cutter
• Pliers

Overview:

This brake control plugin wiring harness is designed for quick and secure connections to your brake controller. It simplifies installation by matching functions and connecting to the corresponding wires in your vehicle.

Step-by-Step Instructions:

1. Disconnect the Battery:

   • Before beginning, disconnect the battery terminals to prevent electrical shorts or damage.

2. Connect the Wires:

   • Refer to the following chart to match the harness wires to their functions:
     • Black Wire: Battery Positive (+)
     • Red Wire: Stoplight Signal (active when the brake pedal is pressed)
     • White Wire: Ground (-)
     • Blue Wire: Output to Trailer Brakes
   • Use the appropriate connectors to secure each wire, ensuring a solid connection.

3. Secure the Wiring Harness:

   • Mount the wiring harness under the dashboard or another safe location, keeping it away from moving parts or sharp edges.

4. Plug in the Brake Controller:

   • Insert the wiring harness connector into the brake controller, ensuring it clicks securely into place.

5. Reconnect the Battery:

   • Reattach the battery terminals, ensuring they are clean and tightly connected.

6. Test the System:

   • Use a test light, circuit tester, or trailer to verify all functions:
     • The brake controller powers on.
     • The manual override activates the trailer brakes.
     • Stoplight signals and trailer brakes function properly when the brake pedal is pressed.

Notes:

• Always connect wires based on function, not color, to ensure proper operation.
• Consult your vehicle manual for fuse locations related to the brake control system.
• Verify all connections are secure and tested before use.

Warning:

• All connections must be complete for the system to function properly.
• Overloading circuits can cause damage or fire. Do not exceed the lower of the towing manufacturer’s ratings or:
  • Max. Right Turn, Left Turn, Stop, & Tail Light Circuits: 7.5 amps
  • Max. (+) Battery, Reverse, and Electric Brake Circuits: 30 amps
• Refer to your vehicle’s owner’s manual for additional instructions. Additional fusing may be required.

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.

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.

Revision:

20127/8506920 Rev. A 2-6-07

Installation Instructions for Electronic Brake Control (2 to 4 Brake Systems)

Product Information:

• Part Number: N80500
• Application: Designed for 2 to 4 trailer brake systems

Tools Required:

• Drill with 1/8" drill bit
• Screwdriver
• Wire Cutter/Stripper
• Wire Crimping Tool
• Circuit Tester

Package Contents:

• Brake Control Unit
• Mounting Bracket
• Mounting Screws (#6 x 3/8") (Qty: 4)

Components Overview:

• A: Power Knob
• B: Manual Slide Knob
• C: Bracket Mounting Holes
• D: Bi-Colored Light

Important Notes:

1. Avoid RF Interference: Do not mount RF-generating devices (cell phones, radios) within 12 inches of the unit.
2. Breakaway Battery: Reverse wiring of a breakaway battery will destroy the Brake Control.
3. Breakaway Switch Testing: Disconnect the trailer plug before testing; failure to do so may destroy the Brake Control.
4. Light Indicators:
   • Green Light: Trailer is connected.
   • Red Light: Brakes are activated (manual control or brake pedal).
   • Flashing Red/No Light: Trailer is not connected.
5. The Green Light uses 10 milliamps; it would take over 5,000 hours to drain the vehicle battery.
6. Weight Limit: Never exceed the Gross Combined Weight Rating (GCWR) recommended by the vehicle manufacturer.

Mounting Instructions:

1. Select a Suitable Mounting Location:

   • Choose a solid surface within easy reach of the driver.

2. Mount the Bracket:

   • Use the mounting bracket as a template and mark the holes.
   • Drill two (2) 1/8" holes at the marked points.
   • Secure the bracket with #6 x 3/8" screws provided.

3. Install the Brake Control:

   • Slide the Brake Control into the bracket.
   • Secure with screws; tighten snugly but do not overtighten.

Wiring Instructions:

1. Black Wire (Battery +):

   • Connect to the positive terminal of the vehicle battery using a 20A circuit breaker.

2. White Wire (Ground -):

   • Connect to a clean, bare metal surface on the vehicle chassis.

3. Red Wire (Stoplight Switch):

   • Connect to the cold side of the stoplight switch (only active when the brake pedal is pressed).

4. Blue Wire (Trailer Brake):

   • Connect to the trailer brake wire at the 7-way connector.

Adjusting Brake Power:

1. Initial Setup:

   • Turn the Power Knob to minimum.
   • Turn the Power Knob 1/4 turn in the + direction.

2. Testing Brakes:

   • Connect the trailer and drive at 25 mph on a dry, level surface.
   • Apply the Manual Slide Knob:
     • If brakes lock up: Reduce power using the Power Knob.
     • If braking is insufficient: Increase power using the Power Knob.

3. Fine-Tuning Power:

   • Repeat the above step until braking is smooth, just below the point of wheel lock-up.

Troubleshooting Guide:

Safety Notes:

• Warm trailer brakes before testing by driving 1/4 mile at 45 mph with light manual braking.
• Adjust power based on load weight and road conditions.
• Do not set power so high that trailer brakes lock up, as this can cause loss of control.

Maintenance:

• Inspect trailer brakes every 3,000 miles or as recommended.
• Adjust brakes as necessary for optimal performance.

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: Incorrect installation or failure to follow these instructions may result in loss of braking performance or damage to the Brake Control unit. Always test the brakes before towing.