Product Details
- Brand: Tekonsha
- Model: 118390 74184 8506020 20212 8507120 3020-P-132853
- Includes: T-One T-Connector Custom Harness, Wiring Adapter, Trailer Brake Controller Installation Kit, Mounting Bracket, Brakeman IV Time-Delay Brake Controller for Trailers with 1-4 Axles, Trailer Brake Controller Custom Harness
Compatibility Chart
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For 2007-2009 Chrysler Aspen 7 Way Trailer Wiring RV 7 Pin 7 Blade + Tekonsha Brakeman IV Brake Controller + Plug & Play Adapter By Tekonsha Install Notes
Installation Instructions for T-Connector Adapter
Part Numbers:
- 118390
Wiring Access Location:
- Rear taillight assemblies and under the vehicle near the bumper.
Tools Required:
- Trim panel remover.
- Wire crimpers.
- Wire cutters.
- Pliers.
Step-by-Step Instructions:
-
Access Taillight Wiring:
- Open the tailgate and remove the vehicle’s right-side taillight assembly by removing the two clips holding it in place.
- Carefully pry the housing away from the vehicle, ensuring the alignment tabs are not broken.
- Repeat the process for the left-side taillight assembly.
-
Disconnect Wiring Harness:
- Slide the red locking tab on the vehicle wiring harness connectors to the unlocked position.
- Disconnect the wiring harness from both taillight sockets.
-
Install T-Connector:
- Plug the T-Connector end with the yellow wire between the driver’s side taillight socket and the vehicle wiring harness.
- Ensure the connectors are fully inserted with locking tabs secure.
-
Route the Wiring:
- Route the T-Connector end with the green wire and the 4-flat connector down through the opening between the vehicle bumper and body.
- Route the green wire across to the passenger side and up through the opening, avoiding hot pipes, heat shields, or any other areas that could pinch or damage the wire.
- Repeat step 3 for the passenger’s side using the green wire.
-
Power Connection:
- Disconnect the vehicle’s negative (-) battery cable.
- Cut the yellow fuse holder wire and attach the ring terminal. Secure it to the vehicle’s positive (+) battery cable.
- Connect the other end of the fuse holder to the black 12-gauge wire using the supplied yellow butt connector.
-
Route Power Wire:
- Route the black 12-gauge wire from the front of the vehicle along the frame rail to the rear driver’s side, avoiding hot pipes, heat shields, and other potential hazards.
-
Connect Power Wire:
- Locate the opening between the rear bumper and body. Route the black wire through the opening and attach it to the red wire from the T-Connector black box using the supplied yellow butt connector.
-
Finalize Power:
- Reconnect the vehicle’s negative (-) battery cable.
- Install the 10-amp fuse into the fuse holder.
-
Secure Wiring and Black Box:
- Secure all loose wiring. Clean a flat surface behind the driver’s side taillight assembly using a mixture of rubbing alcohol and water.
- Mount the T-Connector black box using the provided double-sided tape.
-
Reinstall Components:
- Reinstall the taillight housing assemblies, positioning the wiring harness between the housing and the vehicle body.
- Secure the remainder of the T-Connector harness under the bumper with the provided cable ties.
-
Testing and Final Steps:
- Test the installation with a test light or trailer.
- Mount the 4-flat connector in a suitable location under the vehicle. Bracket not included.
Specifications:
- Max. stop/turn light: 1 per side (2.1 amps).
- Max. tail lights: (4.2 amps).
Hardware List:
- T-Connector adapter.
- Yellow fuse holder with 10-amp fuse.
- Eyelet and screw.
- Double-sided tape.
- Cable ties.
Safety Notes:
- Ensure all connections are secure to avoid circuit overload.
- Test thoroughly after installation to confirm functionality.
Manufacturer Notes:
- Follow all warnings and installation instructions provided.
- Use a test light or trailer to confirm proper installation.
- Refer to the vehicle owner’s manual for additional details.
Installation Instructions for T-Connector Adapter
Part Numbers:
- 118390
Wiring Access Location:
- Rear taillight assemblies and under the vehicle near the bumper.
Tools Required:
- Trim panel remover
- Wire crimpers
- Wire cutters
- Pliers
Step-by-Step Instructions:
-
Access Taillight Wiring:
- Open the tailgate and remove the vehicle’s right-side taillight assembly by removing the two clips holding it in place.
- Carefully pry the housing away from the vehicle, ensuring the alignment tabs are not broken.
- Repeat the process for the left-side taillight assembly.
-
Disconnect Wiring Harness:
- Slide the red locking tab on the vehicle wiring harness connectors to the unlocked position.
- Disconnect the wiring harness from both taillight sockets.
-
Install T-Connector:
- Plug the T-Connector end with the yellow wire between the driver’s side taillight socket and the vehicle wiring harness.
- Ensure the connectors are fully inserted with locking tabs secure.
-
Route the Wiring:
- Route the T-Connector end with the green wire and the 4-flat connector down through the opening between the vehicle bumper and body.
- Route the green wire across to the passenger side and up through the opening, avoiding hot pipes, heat shields, or any other areas that could pinch or damage the wire.
- Repeat step 3 for the passenger’s side using the green wire.
-
Power Connection:
- Disconnect the vehicle’s negative (-) battery cable.
- Cut the yellow fuse holder wire and attach the ring terminal. Secure it to the vehicle’s positive (+) battery cable.
- Connect the other end of the fuse holder to the black 12-gauge wire using the supplied yellow butt connector.
-
Route Power Wire:
- Route the black 12-gauge wire from the front of the vehicle along the frame rail to the rear driver’s side, avoiding hot pipes, heat shields, and other potential hazards.
-
Connect Power Wire:
- Locate the opening between the rear bumper and body. Route the black wire through the opening and attach it to the red wire from the T-Connector black box using the supplied yellow butt connector.
-
Finalize Power:
- Reconnect the vehicle’s negative (-) battery cable.
- Install the 10-amp fuse into the fuse holder.
-
Secure Wiring and Black Box:
- Secure all loose wiring. Clean a flat surface behind the driver’s side taillight assembly using a mixture of rubbing alcohol and water.
- Mount the T-Connector black box using the provided double-sided tape.
-
Reinstall Components:
- Reinstall the taillight housing assemblies, positioning the wiring harness between the housing and the vehicle body.
- Secure the remainder of the T-Connector harness under the bumper with the provided cable ties.
-
Testing and Final Steps:
- Test the installation with a test light or trailer to verify:
- Left Turn Signal
- Right Turn Signal
- Brake Lights
- Running Lights
- Mount the 4-flat connector in a suitable location under the vehicle. (Bracket not included.)
- Test the installation with a test light or trailer to verify:
Specifications:
- Max Stop/Turn Light: 2.1 amps per side
- Max Tail Lights: 4.2 amps
Hardware List:
- T-Connector adapter
- Yellow fuse holder with 10-amp fuse
- Eyelet and screw
- Double-sided tape
- Cable ties
Safety Notes:
- Ensure all connections are secure to avoid circuit overload.
- Test thoroughly after installation to confirm functionality.
- Periodically inspect the wiring harness for wear or damage.
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 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:
-
Mount the Adapter:
- Choose a suitable mounting point on the vehicle near the hitch.
- Use a bracket (sold separately) to secure the adapter.
-
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.
-
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.
-
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.
-
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:
-
Disconnect the Battery:
- Disconnect the negative (-) battery cable before beginning installation.
-
Mount the Brake Controller:
- Secure the brake controller under the dash on a firm surface within reach of the driver.
-
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.
- Red Wire:
-
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.
-
Reconnect the Battery:
- Reattach the negative (-) battery cable.
-
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:
-
Mount the Adapter:
- Choose a suitable mounting point on the vehicle near the hitch.
- Use a bracket (sold separately) to secure the adapter.
-
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.
-
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.
-
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.
-
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:
-
Disconnect the Battery:
- Disconnect the negative (-) battery cable before beginning installation.
-
Mount the Brake Controller:
- Secure the brake controller under the dash on a firm surface within reach of the driver.
-
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.
- Red Wire:
-
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.
-
Reconnect the Battery:
- Reattach the negative (-) battery cable.
-
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 Electric Trailer Brake Control Wiring Adapter
Part Number: 302000
Tools Required:
- None
Step-by-Step Instructions:
Step 1: Locate the Vehicle’s Electric Brake Control Harness Connector
- The electric brake control harness connector is located:
- Underneath the dashboard
- To the left of the steering column, near the emergency brake pedal.
- It is typically taped to another harness and will feature a 4-pin connector that matches the adapter’s connector.
Step 2: Connect the Adapter
- Plug the brake control adapter into the 4-pin connector on the vehicle’s brake control harness.
- Connect the opposite end of the adapter to the brake controller.
- Follow the brake control manufacturer’s installation instructions for wiring and mounting the unit.
CAUTION:
Plug the adapter into the brake controller before attaching it to the vehicle connector.
Step 3: Complete Installation and Testing
- Mount the brake controller as per the manufacturer’s instructions.
- Perform all test procedures recommended by the brake controller manufacturer to verify proper operation.
Safety Warnings:
- Do NOT overload the circuit:
- Maximum capacity: 4 axles / 8 brakes (24 amps).
- Follow the lower of the towing manufacturer’s rating or the above maximum.
- Always refer to the vehicle owner’s manual and the brake controller instructions for proper installation and operation.
Wiring Overview:
- Stop Lamp Switch to Brake Controller (Input): Provides braking signal to the brake controller.
- Fused Battery Feed: Supplies power to the brake controller.
- Trailer Brake Controller (Output): Sends braking signal to the trailer brakes.
- Ground: Connects the brake controller to vehicle ground.
Final Notes:
- Periodically check all connections to ensure they remain secure and free of corrosion.
- Avoid exceeding the electrical limits specified for the towing system.
End of Instructions
Installation Instructions for Electric Trailer Brake Control Wiring Adapter
Part Number: 302000
Tools Required:
- None
Step-by-Step Instructions:
Step 1: Locate the Vehicle’s Electric Brake Control Harness Connector
- The electric brake control harness connector is located:
- Underneath the dashboard
- To the left of the steering column, near the emergency brake pedal.
- It is typically taped to another harness and will feature a 4-pin connector that matches the adapter’s connector.
Step 2: Connect the Adapter
- Plug the brake control adapter into the 4-pin connector on the vehicle’s brake control harness.
- Connect the opposite end of the adapter to the brake controller.
- Follow the brake control manufacturer’s installation instructions for wiring and mounting the unit.
CAUTION:
Plug the adapter into the brake controller before attaching it to the vehicle connector.
Step 3: Complete Installation and Testing
- Mount the brake controller as per the manufacturer’s instructions.
- Perform all test procedures recommended by the brake controller manufacturer to verify proper operation.
Safety Warnings:
- Do NOT overload the circuit:
- Maximum capacity: 4 axles / 8 brakes (24 amps).
- Follow the lower of the towing manufacturer’s rating or the above maximum.
- Always refer to the vehicle owner’s manual and the brake controller instructions for proper installation and operation.
Wiring Overview:
- Stop Lamp Switch to Brake Controller (Input): Provides braking signal to the brake controller.
- Fused Battery Feed: Supplies power to the brake controller.
- Trailer Brake Controller (Output): Sends braking signal to the trailer brakes.
- Ground: Connects the brake controller to vehicle ground.
Final Notes:
- Periodically check all connections to ensure they remain secure and free of corrosion.
- Avoid exceeding the electrical limits specified for the towing system.
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 Electronic Brake Control
Part Numbers:
- Included Brake Control Unit: Part Number N8507120
Tools Required:
- Drill with 1/8" bit.
- Screwdriver or 1/4" nut driver.
- Wire connector crimp tool.
- Probe-type circuit tester.
- Assorted end wrenches.
- Wire cutter/stripper.
Safety Notes:
- Ensure the area behind the panel is clear before drilling.
- Follow all instructions to prevent damage to the unit or injury during installation.
- Avoid using RF-generating devices closer than 12 inches to the brake control.
- Always verify proper electrical connections.
Hardware List:
- Brake Control Unit.
- Mounting Bracket.
- (4) Mounting Screws.
- Additional Materials Required:
- 10 Ga. wire.
- 30 Amp auto-reset circuit breaker.
- Assorted ring terminal & butt connectors.
- 4" cable ties (6-10).
Installation Instructions:
Mounting the Unit:
- Choose a Suitable Location:
- Ensure a secure, solid surface.
- Ensure the unit is within easy reach of the driver.
- Verify the area behind the panel is clear.
- Mark and Drill Holes:
- Use the bracket as a template to mark hole locations.
- Drill two 1/8" diameter holes.
- Attach the Bracket:
- Secure the bracket using two self-tapping screws provided.
- Avoid over-tightening to prevent damage to the holes.
- Mount the Brake Control Unit:
- Attach the control unit to the bracket with the remaining screws.
Wiring and Connections:
- Black Wire: Connect to the vehicle's power supply.
- Red Wire: Connect to the stoplight signal.
- White Wire: Connect to the vehicle's ground.
- Blue Wire: Connect to the trailer brakes.
Initial Setup:
- With the trailer connected, press and hold the brake pedal.
- Adjust the Output (Gain) Control to approximately 2.0 using the digital display.
- Adjust the Sync Control to a setting of 4°.
- Test the brake application by driving in an open area and using the manual slide control.
Sync and Output (Gain) Adjustments:
- Sync Control: Adjust the aggressiveness of trailer braking.
- Sync settings range from 0° (least aggressive) to 9° (most aggressive).
- Output (Gain) Control: Adjust the maximum power delivered to the brakes.
- Output ranges from 0 to 10, with 10 being maximum braking power.
Testing and Fine-Tuning:
- Conduct a test drive at low speeds in a clear area.
- Use the Manual Slide Control to apply trailer brakes and adjust the Gain as needed.
- Verify smooth stops without jerking or locking the brakes.
- Adjust Sync settings for road conditions and driver preferences.
Maintenance:
- Regularly inspect all connections and wires for damage or wear.
- Keep the unit clean and free of debris.
- Periodically check and tighten all mounting screws.
Troubleshooting Guide:
Condition | Probable Cause | Solution |
---|---|---|
No trailer brakes. | No power or incorrect wiring. | Check power and ground connections. |
Weak trailer braking. | Low Output (Gain) setting. | Increase the Gain setting. |
Brakes lock when applied. | High Output (Gain) setting. | Decrease the Gain setting. |
Display shows "OL" when active. | Short in the blue wire circuit. | Locate and correct the short. |
Display shows "Er". | Internal brake control issue. | Refer to the full installation PDF for guidance. |
Warranty Information:
- Limited Lifetime Warranty:
- Covers defects in materials and workmanship.
- Excludes damage caused by misuse or improper installation.
- 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.