Installation Instructions for Volvo XC90 SUV (2016-Present)

Part Numbers:

• 13233

Tools Required:

• Ratchet
• Torque Wrench
• T25 Torx Bit
• 10mm Socket
• 13mm Socket
• 8" Socket Extension
• Drill
• 1/2" Drill Bit
• Aviation Shears
• Safety Glasses

Step-by-Step Instructions:

Step 1: Remove Fasteners

• Use a T25 Torx bit to remove four fasteners attaching the bottom of the fascia to the vehicle.

Step 2: Lower the Exhaust

• Use a 13mm socket to remove two M10 bolts securing the exhaust brackets.
• Lower the exhaust to create space for installation.

Step 3: Remove and Trim the Heat Shield

• Use a 10mm socket to remove two M6 bolts holding the heat shield.
• Remove four speed clips from the heat shield studs and remove the heat shield.
• Trim the heat shield as per the provided trim diagram using shears or a rotary tool.

Step 4: Remove Additional Fasteners

• Remove four fasteners from each side of the wheel well using a T25 Torx bit.

Step 5: Remove the Bumper Fascia

• Carefully remove the bumper fascia, starting from the sides and working towards the center.
• Detach any connected sensors and mark them for proper reinstallation.

Step 6: Prepare the Frame

• Align the hitch using the exhaust bracket attachment points.
• Using the hitch as a template, mark the hole locations on the vehicle frame.
• Enlarge the forward-most hole on each frame rail to approximately 1" using a die grinder.
• Drill the rear-most holes on each frame rail using a 9/16" drill bit.

Step 7: Fishwire the Bolts

• Fishwire one 1/2" carriage bolt and spacer from the forward-most hole to the rear-most hole on each frame rail.
• Reverse fishwire one 1/2" carriage bolt and spacer into the forward-most hole on each frame rail.

Step 8: Install the Hitch

• Raise the hitch into position and pull the fishwires to align the bolts with the holes.
• Carefully remove the fishwires and loosely install the supplied 1/2" hex flange nuts.

Step 9: Reinstall the Exhaust

• Raise the exhaust into place and loosely secure it using the factory M10 bolts.

Step 10: Torque the Hardware

• Torque all 1/2" bolts to 110 ft-lbs.
• Torque all M10 bolts to 48 ft-lbs.

Step 11: Reassemble

• Reinstall the bumper fascia, sensors, and other components removed in Steps 1-5 in reverse order.

Heat Shield Trim Diagram:

• Follow the provided diagram for trimming the heat shield. Trim dimensions are approximately 2.75" x 8.00".

Hardware List:

• (4) 1/2"-13 UNC Carriage Bolts, 1-1/2"
• (4) .250 x 1.00 x 2.50" Square Hole Spacers
• (4) 1/2"-13 UNC Hex Flange Nuts
• (4) 1/2" Fishwire

Safety Notes:

• Wear safety glasses during installation.
• Periodically inspect the hitch to ensure all fasteners are tight and structural components are sound.

Warnings:

• Do not exceed the vehicle manufacturer's recommended towing capacity.
• Use stabilizing straps for all non-trailer loads to avoid damage and maintain safety.

Specifications:

• Gross Trailer Weight: 6,000 lbs
• Tongue Weight: 900 lbs
• Complies with SAE J684 and V.E.S.C. Regulation V-5

General Notes:

Attention: This is a summary of the installation procedure. For complete installation instructions, including diagrams and detailed information, please download the full installation PDF.

Warranty Information:

For warranty coverage details, including duration and terms, 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 Volvo S90 and XC90

Part Number:

• 56285

Wiring Access Locations:

• S3: Behind driver side rear access panel
• S4: Behind passenger side rear access panel

Tools Required:

• Ratchet
• 10mm socket
• 8mm socket
• Panel trim removal tool
• Cutting tool

Step-by-Step Instructions:

1. Prepare Trunk Area:

   • Open the vehicle trunk.
   • Remove all trunk floor coverings.

2. Disconnect Battery:

   • Locate the vehicle battery by removing the access panel on the driver side.
   • Disconnect the negative battery terminal.

3. Remove Rear Scuff Panel:

   • Remove the fasteners securing the rear scuff panel.
   • Pull out on the bottom of the scuff panel and then lift up to remove it.
   • Take care not to damage the alignment tabs on the back.

4. Access Driver Side Taillight Wiring:

   • Behind the driver side trim panel, locate the vehicle's taillight wiring harness connectors.
   • The connectors will be similar to those on the custom wiring harness.
   • Separate the connectors from the taillight housing, taking care not to damage the locking tabs.

5. Install Custom Wiring Harness (Driver Side):

   • Insert the custom wiring harness end with the yellow wire between the separated connectors.
   • Ensure the connectors are fully inserted with locking tabs in place.

6. Ground the White Wire:

   • Locate a suitable grounding point near the connector, such as an existing screw with a nut in the vehicle frame, or drill a 3/32" pilot hole for the provided screw.
   • Ensure the area is free of rust, dirt, and paint.
   • Secure the white ground wire using the ring terminal and provided screw.
   • Warning: Check for miscellaneous items that may be hidden behind or under any surface before drilling to avoid damage and/or personal injury.

7. Route Wiring Harness to Passenger Side:

   • Route the custom wiring harness end with the green wire to the passenger side behind the removed scuff panels.

8. Access Passenger Side Taillight Wiring:

   • Remove the storage tray from the passenger side.
   • Remove the fasteners securing the cargo tie-down.
   • Pull back on the side trim panel to access the taillight wiring harness connectors.
   • Repeat steps 4 and 5 on the passenger side using the custom wiring harness end with the green wire.

9. Mount Converter Box:

   • Locate a flat spot inside the vehicle, near the taillight.
   • Adhere the black converter box using the provided double-sided tape.

10. Connect Power Wire:

    • Route the power wire to the battery's positive (+) terminal.
    • Using a 10mm socket, remove the nut on the positive (+) terminal auxiliary stud.
    • Attach the power wire's ring terminal and reinstall the nut.

11. Position 4-Flat Connector:

    • When in use, route the 4-flat to the center of the vehicle.
    • When not in use, roll up and store in a convenient, out-of-the-way location.
    • Secure any loose wires with the provided cable ties.

12. Reassemble Vehicle Components:

    • Reinstall all items removed during installation.
    • Reconnect the negative battery terminal.
    • Install the provided 4-flat dust cover to help prevent corrosion.

Hardware List:

• Custom wiring harness with 4-flat connector
• Black converter module
• Double-sided tape
• Ring terminal
• Ground screw
• Cable ties
• 10-amp fuse (for fuse holder on converter harness)
• 4-flat dust cover

Safety Notes:

• Battery Connection: The battery connection must be fuse-protected with a 10-amp max fuse. Exceeding the product rating can cause loss of warranty, overheating, and potential fire. Do not exceed the product rating or the tow vehicle lamp load rating, whichever is lower.
• Drilling Caution: Check for miscellaneous items that may be hidden behind or under any surface before drilling to avoid damage and/or personal injury.

Specifications:

• Signal Circuits: 3.0 amps per side
• Tail/Running Circuits: 6.0 amps total

(Refer to the vehicle owner's manual or contact the vehicle manufacturer for more information.)

Installation Instructions

Part Number:

• 56285

Wiring Access Locations:

• S3: Behind driver side rear access panel
• S4: Behind passenger side rear access panel

Tools Required:

• Ratchet
• 10mm socket
• 8mm socket
• Panel trim removal tool
• Cutting tool

Step-by-Step Instructions:

1. Prepare Trunk Area:

   • Open the vehicle trunk.
   • Remove all trunk floor coverings.

2. Disconnect Battery:

   • Locate the vehicle battery by removing the access panel on the driver side.
   • Disconnect the negative battery terminal.

3. Remove Rear Scuff Panel:

   • Remove the fasteners securing the rear scuff panel.
   • Pull out on the bottom of the scuff panel and then lift up to remove it.
   • Take care not to damage the alignment tabs on the back.

4. Access Driver Side Taillight Wiring:

   • Behind the driver side trim panel, locate the vehicle's taillight wiring harness connectors.
   • The connectors will be similar to those on the custom wiring harness.
   • Separate the connectors from the taillight housing, taking care not to damage the locking tabs.

5. Install Custom Wiring Harness (Driver Side):

   • Insert the custom wiring harness end with the yellow wire between the separated connectors.
   • Ensure the connectors are fully inserted with locking tabs in place.

6. Ground the White Wire:

   • Locate a suitable grounding point near the connector, such as an existing screw with a nut in the vehicle frame, or drill a 3/32" pilot hole for the provided screw.
   • Ensure the area is free of rust, dirt, and paint.
   • Secure the white ground wire using the ring terminal and provided screw.
   • Warning: Check for miscellaneous items that may be hidden behind or under any surface before drilling to avoid damage and/or personal injury.

7. Route Wiring Harness to Passenger Side:

   • Route the custom wiring harness end with the green wire to the passenger side behind the removed scuff panels.

8. Access Passenger Side Taillight Wiring:

   • Remove the storage tray from the passenger side.
   • Remove the fasteners securing the cargo tie-down.
   • Pull back on the side trim panel to access the taillight wiring harness connectors.
   • Repeat steps 4 and 5 on the passenger side using the custom wiring harness end with the green wire.

9. Mount Converter Box:

   • Locate a flat spot inside the vehicle, near the taillight.
   • Adhere the black converter box using the provided double-sided tape.

10. Connect Power Wire:

    • Route the power wire to the battery's positive (+) terminal.
    • Using a 10mm socket, remove the nut on the positive (+) terminal auxiliary stud.
    • Attach the power wire's ring terminal and reinstall the nut.

11. Position 4-Flat Connector:

    • When in use, route the 4-flat to the center of the vehicle.
    • When not in use, roll up and store in a convenient, out-of-the-way location.
    • Secure any loose wires with the provided cable ties.

12. Reassemble Vehicle Components:

    • Reinstall all items removed during installation.
    • Reconnect the negative battery terminal.
    • Install the provided 4-flat dust cover to help prevent corrosion.

Hardware List:

• Custom wiring harness with 4-flat connector
• Black converter module
• Double-sided tape
• Ring terminal
• Ground screw
• Cable ties
• 10-amp fuse (for fuse holder on converter harness)
• 4-flat dust cover

Safety Notes:

• Battery Connection: The battery connection must be fuse-protected with a 10-amp max fuse. Exceeding the product rating can cause loss of warranty, overheating, and potential fire. Do not exceed the product rating or the tow vehicle lamp load rating, whichever is lower.
• Drilling Caution: Check for miscellaneous items that may be hidden behind or under any surface before drilling to avoid damage and/or personal injury.

Specifications:

• Signal Circuits: 3.0 amps per side
• Tail/Running Circuits: 6.0 amps total

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:

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

(Refer to the vehicle owner's manual or contact the vehicle manufacturer for more information.)

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 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.

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 51515)

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 51515)

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.

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 Brake Controller

Product Information:

• Application: For trailers with 2 to 8 brakes
• System: 12-volt negative ground systems

Package Contents:

• (1) Brake Controller Module with Quick Plug
• (1) Mounting Bracket
• (2) Keyed Spacers
• (4) Mounting Bracket Screws
• (1) Quick Reference Card
• (2) Keyed Washers

Tools Required:

• Drill with 1/8" drill bit
• Wire Crimpers
• Wire Cutters
• Phillips Head Screwdriver

Key Features:

• Display for output and sensitivity settings
• Manual trailer braking control
• Switchable manual control options (100% or output setting)
• Brake light activation switch
• Reverse voltage and overload protection
• Compatible with electric and hydraulic trailer brake systems

Warnings and Important Notes:

• The brake controller’s positive and ground wires must connect directly to the vehicle’s battery with 10-gauge stranded wire.
• Avoid mounting near a CB radio or other RF transmitters.
• Disconnect the trailer plug when testing a breakaway switch.

Step-by-Step Installation Instructions:

1. Select the Mounting Location:

• The mounting location should be:
  • Within the driver’s reach
  • On a solid surface
  • Free of obstructions behind the mounting surface

2. Install the Mounting Bracket:

• Position the bracket and mark the mounting holes.
• Drill holes using a 1/8” drill bit.
• Secure the bracket with the provided self-tapping screws (do not overtighten).

3. Attach the Brake Controller:

• Place the keyed spacer and washer on each side of the mounting bracket.
• Slide the brake controller into the bracket and secure it with screws.

4. Wiring the Brake Controller:

• Black Wire (Power Input): Connect to the positive (+) battery terminal through a 30-amp auto-reset circuit breaker.
• White Wire (Ground): Connect directly to the negative (-) battery terminal.
• Red Wire (Stoplight Input): Connect to the stoplight wire that is “hot” only when the brake pedal is pressed.
  • Use a test probe to verify the correct wire.
• Blue Wire (Brake Output): Connect to the trailer’s brake control wire through the 7-way connector.

Switch Settings (Manual Control Configuration):

1. Brake Light Activation Switch:

   • ON: Activates brake lights when the manual control is used (default).
   • OFF: Brake lights remain inactive during manual braking.

2. Manual Brake Output Switch:

   • ON: Limits manual braking to the gain (output) setting.
   • OFF: Allows 100% braking power regardless of the output setting.

Setup and Calibration:

1. Connect the Trailer:

   • Plug the trailer connector into the vehicle’s 7-way outlet.
   • The controller will calibrate automatically, displaying "Calibration" followed by "Connected."

2. Set Initial Output and Sensitivity:

   • Set the output to 2.0 and sensitivity (load) to 1.0 using the (+) and (-) buttons.

3. Test Drive and Adjust:

   • Drive on a level surface at 25 mph.
   • Press the brake pedal:
     • Increase Output: If trailer braking feels insufficient.
     • Decrease Output: If trailer brakes lock up.
   • Adjust sensitivity for smoother stops using the (+) and (-) buttons.

Display Indicators:

Troubleshooting Guide:

• Display is Blank: Check power and ground connections.
• Display Shows "Low Volt": Verify vehicle’s battery and charging system.
• "Overload" Error: Inspect the blue wire and trailer brake circuit for shorts.
• No Trailer Brakes: Confirm proper wiring of the trailer connector.

Final Notes:

• Secure all loose wires with cable ties.
• Periodically test the system for proper operation.
• Avoid exceeding the towing vehicle's maximum electrical capacity.

Attention: This is a summary of the installation procedure. For complete installation instructions, including diagrams and detailed information, download the full installation PDF.

For Technical Support: Our team of experts is available to help. You can reach tech support by visiting www.trailerjacks.com or calling 877-869-6690.