











Trailer Wiring and Bracket w/ Light Tester For 17‑22 Chevy Trax except LS 4‑Flat Harness Plug Play
Model: 118751 118144 20114Plug and Play T-One Wiring Harness Connector
4-Flat Mounting Bracket
4-Flat Car End Tester w/ LED Display
Fits The Following Vehicles:
2017 - 2022 Chevrolet, Trax, Except LS
Wiring Kit Specs:
Part Number | 118751 |
Brand | Tekonsha |
Warranty | 1 Year |
Installation Instructions | ![]() |
Part Number | 118144 |
Fits | 4 Flat Connectors |
Brand | Tow Ready |
Mounts electrical connector to attachment bracket Includes screws and nuts Attractive point-of-purchase packaging |
|
Warranty | 1 Year |
Part Number | 20114 |
Fits | 4 Flat Connectors |
Brand | Tow Ready |
4-Flat Car End Tester w/LED Display Plug these testers into any car connector and you will have an instant test of running light circuits. |
|
Warranty | 1 Year |
Partial list of fitment years:
17 18 19 20 21 22 2017 2018 2019 2020 2021 2022
$83 99 $111.11 24% OFF
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$111.11 $83 99
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Product Details
- Brand: Tekonsha
- Model: 118751 118144 20114
- Includes: T-One T-Connector Custom Harness, Mounting Bracket, 4-Flat Car End Tester
Compatibility Chart
Year Range | Make | Model | Style |
---|---|---|---|
Loading... |
Specification | |
Circuit Protected | Yes |
Hardware Included | Yes |
Harness Type | 4-Way Flat (Vehicle Side) |
Terminal Quantity | 4 |
Universal Or Specific Fit | Specific Fit |
Wire Colors | Brown, Green, Yellow, White |
Wire Quantity | 4 Wires |
Be the first to ask a question.
Description
Plug and Play T-One Wiring Harness Connector
4-Flat Mounting Bracket
4-Flat Car End Tester w/ LED Display
Fits The Following Vehicles:
2017 - 2022 Chevrolet, Trax, Except LS
Wiring Kit Specs:
Part Number | 118751 |
Brand | Tekonsha |
Warranty | 1 Year |
Installation Instructions | ![]() |
Part Number | 118144 |
Fits | 4 Flat Connectors |
Brand | Tow Ready |
Mounts electrical connector to attachment bracket Includes screws and nuts Attractive point-of-purchase packaging |
|
Warranty | 1 Year |
Part Number | 20114 |
Fits | 4 Flat Connectors |
Brand | Tow Ready |
4-Flat Car End Tester w/LED Display Plug these testers into any car connector and you will have an instant test of running light circuits. |
|
Warranty | 1 Year |
Partial list of fitment years:
17 18 19 20 21 22 2017 2018 2019 2020 2021 2022
Get Expert Help
Trailer Wiring and Bracket w/ Light Tester For 17-22 Chevy Trax except LS 4-Flat Harness Plug Play Install Notes
Installation Instructions for T-One® T-Connector for Chevrolet Trax
Part Numbers:
- 118751
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:
-
Prepare the Vehicle:
- Open the tailgate and remove the cargo door on the floor.
- Carefully remove the floor trim panels and access panels on both sides of the vehicle.
- Set aside all removed parts carefully to avoid damage.
-
Locate the Taillight Wiring Harness:
- On both the driver and passenger sides, locate the taillight wiring harness inside the access panel area.
- Disconnect the connectors carefully, ensuring not to break the locking tabs. Clean all connector surfaces of dirt.
-
Connect the Driver-Side T-Connector:
- Insert the T-One® Connector end with the yellow wire between the vehicle wiring connectors.
- Lock the connectors in place, ensuring they are fully inserted and secure.
-
Route the Passenger-Side T-Connector:
- Route the T-One® Connector end with the green wire through the trim panel access hole, across the threshold, and into the passenger-side trim panel access hole.
- Repeat Step 3 for the passenger side using the T-One® Connector end with the green wire.
-
Ground the White Wire:
- Locate a suitable grounding point near the connector, such as the vehicle’s frame or crossmember.
- Clean the area of dirt and rustproofing. Drill a 3/32” hole and secure the white wire using the provided eyelet and screw.
Caution: Verify what is behind any surface before drilling to prevent damage or injury.
-
Connect the Power Wire:
- Locate the black 12-gauge power wire from the T-One® Connector box.
- Attach the provided black wire and route it along the exterior frame or follow existing wiring to the engine compartment, avoiding areas that may pinch, cut, or break the wire.
Warning: Avoid routing near hot pipes, heat shields, or the fuel tank.
-
Connect to the Vehicle Battery:
- Disconnect the vehicle’s Negative (-) battery cable.
- Remove the fuse from the yellow fuse holder. Attach the ring terminal to the Positive (+) battery cable.
- Connect the other end of the fuse holder to the black 12-gauge wire using the provided yellow butt connector.
-
Reconnect the Battery and Test:
- Reconnect the vehicle’s Negative (-) battery cable.
- Insert the 15-amp fuse into the fuse holder.
- Test the installation with a test light or trailer. Reset the vehicle’s electrical system by temporarily removing the key from the ignition.
-
Mount the Black Box Module:
- Locate a flat, out-of-the-way surface and mount the black box module to prevent damage or rattling.
-
Secure the Wiring Harness:
- Use the provided cable ties to secure the T-One® Connector harness, avoiding areas that may pinch, cut, or melt the wire.
-
Store the 4-Flat Connector:
- Store the 4-flat connector in the rear cargo area when not in use.
Safety Notes:
- Overloading circuits can cause fires. Do not exceed stated product ratings or vehicle manufacturer specifications.
- 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.
Installation Instructions for T-One® T-Connector for Chevrolet Trax
Part Numbers:
- 118751
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:
-
Prepare the Vehicle:
- Open the tailgate and remove the cargo door on the floor.
- Carefully remove the floor trim panels and access panels on both sides of the vehicle.
- Set aside all removed parts carefully to avoid damage.
-
Locate the Taillight Wiring Harness:
- On both the driver and passenger sides, locate the taillight wiring harness inside the access panel area.
- Disconnect the connectors carefully, ensuring not to break the locking tabs. Clean all connector surfaces of dirt.
-
Connect the Driver-Side T-Connector:
- Insert the T-One® Connector end with the yellow wire between the vehicle wiring connectors.
- Lock the connectors in place, ensuring they are fully inserted and secure.
-
Route the Passenger-Side T-Connector:
- Route the T-One® Connector end with the green wire through the trim panel access hole, across the threshold, and into the passenger-side trim panel access hole.
- Repeat Step 3 for the passenger side using the T-One® Connector end with the green wire.
-
Ground the White Wire:
- Locate a suitable grounding point near the connector, such as the vehicle’s frame or crossmember.
- Clean the area of dirt and rustproofing. Drill a 3/32” hole and secure the white wire using the provided eyelet and screw.
Caution: Verify what is behind any surface before drilling to prevent damage or injury.
-
Connect the Power Wire:
- Locate the black 12-gauge power wire from the T-One® Connector box.
- Attach the provided black wire and route it along the exterior frame or follow existing wiring to the engine compartment, avoiding areas that may pinch, cut, or break the wire.
Warning: Avoid routing near hot pipes, heat shields, or the fuel tank.
-
Connect to the Vehicle Battery:
- Disconnect the vehicle’s Negative (-) battery cable.
- Remove the fuse from the yellow fuse holder. Attach the ring terminal to the Positive (+) battery cable.
- Connect the other end of the fuse holder to the black 12-gauge wire using the provided yellow butt connector.
-
Reconnect the Battery and Test:
- Reconnect the vehicle’s Negative (-) battery cable.
- Insert the 15-amp fuse into the fuse holder.
- Test the installation with a test light or trailer. Reset the vehicle’s electrical system by temporarily removing the key from the ignition.
-
Mount the Black Box Module:
- Locate a flat, out-of-the-way surface and mount the black box module to prevent damage or rattling.
-
Secure the Wiring Harness:
- Use the provided cable ties to secure the T-One® Connector harness, avoiding areas that may pinch, cut, or melt the wire.
-
Store the 4-Flat Connector:
- Store the 4-flat connector in the rear cargo area when not in use.
Safety Notes:
- Overloading circuits can cause fires. Do not exceed stated product ratings or vehicle manufacturer specifications.
- Always wear safety glasses and follow safety precautions during installation.
Manufacturer Notes:
- For complete installation instructions, including diagrams and detailed information from the manufacturer, please download the full installation PDF.
- Refer to the vehicle owner’s manual for additional details.
- Store these instructions for future reference.
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:
For complete warranty instructions, please download the full installation PDF.