Trailer Wiring and Bracket w/ Light Tester For 18‑24 VW Volkswagen Tiguan Plug & Play 4‑Flat Harness
Model: 118811 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:
2018-2024 Volkswagen, Tiguan, All Styles
Wiring Kit Specs:
| Part Number | 118811 |
| 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 |
Questions or Comments? Call 702-374-8999
Partial list of fitment years:
18 19 20 21 22 23 24 2018 2019 2020 2021 2022 2023 2024
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Product Details
- Brand: Tekonsha
- Model: 118811 118144 20114
- Includes: T-One T-Connector Custom Harness, Mounting Bracket, 4-Flat Car End Tester
Compatibility Chart
| Year Range | Make | Model | Style |
|---|
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:
2018-2024 Volkswagen, Tiguan, All Styles
Wiring Kit Specs:
| Part Number | 118811 |
| 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 |
Questions or Comments? Call 702-374-8999
Partial list of fitment years:
18 19 20 21 22 23 24 2018 2019 2020 2021 2022 2023 2024
Get Expert Help
Trailer Wiring and Bracket w/ Light Tester For 18-24 VW Volkswagen Tiguan Plug & Play 4-Flat Harness Install Notes
Installation Instructions for T-One® T-Connector for Volkswagen Tiguan
Part Numbers:
- 118811
Tools Required:
- 10mm Socket & Ratchet or 10mm Wrench
- Drill (3/32” Drill Bit)
- Wire Crimpers
- Wire Cutters
- Phillips Head Screwdriver
Step-by-Step Instructions:
-
Prepare the Vehicle:
- Open the rear hatch and locate the vehicle wiring inside the cargo area by partially removing the plastic threshold cover, side panels, and cargo trays.
-
Locate the Taillight Wiring Harness:
- On both driver and passenger sides, locate the taillight wiring harness.
- Disconnect the connectors carefully, ensuring not to damage the locking tabs. Clean all connector surfaces to remove dirt.
-
Connect the Driver-Side T-Connector:
- Insert the T-One® Connector end with the yellow wire between the vehicle wiring connectors on the driver’s side.
- Ensure all connectors are fully inserted and locking tabs are secure.
-
Mount the Black Box:
- Mount the T-One® Connector black box on the driver’s side using the double-sided tape provided.
-
Ground the White Wire:
- Locate a suitable grounding point near the connector, such as an existing ground stud.
- Drill a 3/32” hole if necessary and secure the white wire using the provided eyelet and screw. Clean the grounding area to remove dirt and rustproofing.
Caution: Verify what is behind the surface before drilling to prevent damage or injury.
-
Route the Passenger-Side T-Connector:
- Route the connector containing the green wire along the threshold to the passenger side of the vehicle.
-
Connect the Passenger-Side T-Connector:
- Insert the T-One® Connector end with the green wire between the vehicle wiring connectors on the passenger side.
- Ensure all connectors are fully inserted and secure.
-
Connect the Power Wire:
- Locate the black 12-gauge power wire from the T-One® Connector box on the driver’s side.
- Attach the provided black wire and route it along the vehicle’s exterior frame to the engine compartment.
- Avoid hot pipes, heat shields, or areas that may pinch or damage the wire.
Warning: Be cautious when routing the wire through a grommet and along the exterior of the vehicle to avoid hazards.
-
Connect to the Vehicle Battery:
- Disconnect the Negative (-) battery cable.
- Remove the fuse from the yellow fuse holder. 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.
-
Reconnect the Battery and Test:
- Reconnect the Negative (-) battery cable and insert the 15-amp fuse into the fuse holder.
- Test the installation using a test light or trailer.
-
Secure the Wiring Harness:
- Use the provided cable ties to secure the T-One® Connector harness.
- Avoid areas that may pinch, cut, or melt the wire.
-
Reassemble the Vehicle:
- Reinstall the plastic trim panels, threshold, storage covers, and other components removed during installation.
-
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 all 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 Various Vehicles
Part Numbers:
- 118811
Tools Required:
- 10mm Socket & Ratchet or 10mm Wrench
- Drill (3/32” Drill Bit)
- Wire Crimpers
- Wire Cutters
- Phillips Head Screwdriver
Step-by-Step Instructions:
-
Prepare the Vehicle:
- Open the rear hatch and locate the vehicle wiring inside the cargo area by partially removing the plastic threshold cover, side panels, and cargo trays.
-
Locate the Taillight Wiring Harness:
- On both driver and passenger sides, locate the taillight wiring harness.
- Disconnect the connectors carefully, ensuring not to damage the locking tabs. Clean all connector surfaces to remove dirt.
-
Connect the Driver-Side T-Connector:
- Insert the T-One® Connector end with the yellow wire between the vehicle wiring connectors on the driver’s side.
- Ensure all connectors are fully inserted and locking tabs are secure.
-
Mount the Black Box:
- Mount the T-One® Connector black box on the driver’s side using the double-sided tape provided.
-
Ground the White Wire:
- Locate a suitable grounding point near the connector, such as an existing ground stud.
- Drill a 3/32” hole if necessary and secure the white wire using the provided eyelet and screw. Clean the grounding area to remove dirt and rustproofing.
Caution: Verify what is behind the surface before drilling to prevent damage or injury.
-
Route the Passenger-Side T-Connector:
- Route the connector containing the green wire along the threshold to the passenger side of the vehicle.
-
Connect the Passenger-Side T-Connector:
- Insert the T-One® Connector end with the green wire between the vehicle wiring connectors on the passenger side.
- Ensure all connectors are fully inserted and secure.
-
Connect the Power Wire:
- Locate the black 12-gauge power wire from the T-One® Connector box on the driver’s side.
- Attach the provided black wire and route it along the vehicle’s exterior frame to the engine compartment.
- Avoid hot pipes, heat shields, or areas that may pinch or damage the wire.
Warning: Be cautious when routing the wire through a grommet and along the exterior of the vehicle to avoid hazards.
-
Connect to the Vehicle Battery:
- Disconnect the Negative (-) battery cable.
- Remove the fuse from the yellow fuse holder. 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.
-
Reconnect the Battery and Test:
- Reconnect the Negative (-) battery cable and insert the 15-amp fuse into the fuse holder.
- Test the installation using a test light or trailer.
-
Secure the Wiring Harness:
- Use the provided cable ties to secure the T-One® Connector harness.
- Avoid areas that may pinch, cut, or melt the wire.
-
Reassemble the Vehicle:
- Reinstall the plastic trim panels, threshold, storage covers, and other components removed during installation.
-
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 all safety precautions during installation.
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.
Manufacturer Notes:
- Refer to the vehicle owner’s manual and the instruction sheet for additional details.
- Store these instructions for future reference.
Warranty Information:
- For complete warranty instructions, 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.
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