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Trailer Wiring and Bracket For 20‑23 Ford Explorer 10‑19 Taurus 13‑16 Lincoln MKS Plug & Play 4‑Flat Harness
Model: 118599 118144Plug and Play T-One Wiring Harness Connector
4-Flat Mounting Bracket
Installation Instructions
Fits The Following Vehicles
2010 - 2019 Ford, Taurus, 4 Dr. Sedan
2013 - 2016 Lincoln, MKS, All Styles
Wiring Kit Specs:
| Part Number | 118599 |
| Brand | Tekonsha |
| Warranty | 1 Year |
| Installation Instructions |  |
4-Flat Mounting Bracket
| 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 |
Thank you for choosing Tekonsha, the most powerful name in trailer light wiring and brake control system. Our trailer wiring harness is vehicle specific, requires no splicing or cutting of the wires. Simply plug & play and your vehicle will be able to control trailers brake, turn and running lights. Trailer wiring kit comes with a 1 year warranty and everything necessary to install the trailer plug wiring. Tekonsha manufactures a wider range of different products for hooking up trailer lights to your Car Truck or SUV. T-One connectors work great with boat trailer wiring and utility trailer wiring. Typically those trailers will use the standard 4 flat plug which is what our T One connectors offer. If you have an RV Fifth Wheel or any other large type of trailer you will us a 7 pin trailer plug to control your electric trailer brakes. Tekonsha offers 7 pin trailer connector as well. Simply do a search above to see if there is a 7 wire trailer wiring available for hooking up your 7 way. If there is not you can use part number 85343 trailer wiring adapter to convert any 4-Flat into a 7-Way. In addition you will use part number 20506 which will include the rest of wiring needed for electric brake controls. You can also call us or email us any time and we will be able to provide information you need.
Partial list of fitment years: 13 14 15 16 17 18 19 20 21 22 23 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023
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Product Details
- Brand: Tekonsha
- Model: 118599 118144
- Includes: T-One T-Connector Custom Harness, Mounting Bracket
Compatibility Chart
Plug and Play T-One Wiring Harness Connector
4-Flat Mounting Bracket
Installation Instructions
Fits The Following Vehicles
2010 - 2019 Ford, Taurus, 4 Dr. Sedan
2013 - 2016 Lincoln, MKS, All Styles
Wiring Kit Specs:
| Part Number | 118599 |
| Brand | Tekonsha |
| Warranty | 1 Year |
| Installation Instructions | |
4-Flat Mounting Bracket
| 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 |
Thank you for choosing Tekonsha, the most powerful name in trailer light wiring and brake control system. Our trailer wiring harness is vehicle specific, requires no splicing or cutting of the wires. Simply plug & play and your vehicle will be able to control trailers brake, turn and running lights. Trailer wiring kit comes with a 1 year warranty and everything necessary to install the trailer plug wiring. Tekonsha manufactures a wider range of different products for hooking up trailer lights to your Car Truck or SUV. T-One connectors work great with boat trailer wiring and utility trailer wiring. Typically those trailers will use the standard 4 flat plug which is what our T One connectors offer. If you have an RV Fifth Wheel or any other large type of trailer you will us a 7 pin trailer plug to control your electric trailer brakes. Tekonsha offers 7 pin trailer connector as well. Simply do a search above to see if there is a 7 wire trailer wiring available for hooking up your 7 way. If there is not you can use part number 85343 trailer wiring adapter to convert any 4-Flat into a 7-Way. In addition you will use part number 20506 which will include the rest of wiring needed for electric brake controls. You can also call us or email us any time and we will be able to provide information you need.
Partial list of fitment years: 13 14 15 16 17 18 19 20 21 22 23 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023
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Trailer Wiring and Bracket For 20-23 Ford Explorer 10-19 Taurus 13-16 Lincoln MKS Plug & Play 4-Flat Harness Install Notes
Installation Instructions for T-Connector Adapter for Ford Taurus, Lincoln MKS and Ford Explorer
Part Numbers:
- 118599
Tools Required:
- Trim Panel Remover
- 10mm Socket & Ratchet or 10mm Wrench
- 7mm Socket & Ratchet or 7mm Wrench
- Torx 25 Driver
- Drill (3/32” Drill Bit)
- 1/4” Socket
- Wire Crimpers
- Wire Cutters
- Phillips Head Screwdriver
- Test Probe
Step-by-Step Instructions:
Ford Taurus / Lincoln MKS:
-
Prepare the Rear Cargo Area:
- Open the trunk and remove the threshold panel.
- Partially remove the corner felt trunk liner on both sides to expose the vehicle’s taillight wiring harness.
-
Locate and Connect the Driver-Side Wiring:
- Locate the driver’s side taillight wiring harness. Separate the connectors carefully to avoid breaking the locking tabs.
- Attach the T-Connector with the yellow and brown wires to the driver’s side wiring connectors, ensuring all connections are secure with locking tabs in place.
-
Route the T-Connector Wiring:
- Route the T-Connector containing the green wire below the threshold cover to the passenger side.
- Repeat Step 2 for the passenger side using the T-Connector with the green and red wires.
-
Store the 4-Flat Connector:
- Route the 4-flat connector through the driver’s side trim panel into the side storage compartment and store it there when not in use.
Ford Explorer:
-
Prepare the Rear Cargo Area:
- Open the rear hatch and temporarily remove the rear threshold plate, privacy screen, storage covers, and floor covering.
- Fold the rear seats forward.
-
Remove Interior Panels:
- Partially remove the rear interior trim panels on both the driver’s and passenger’s sides.
- Carefully remove fasteners and set aside panels to prevent damage.
-
Locate and Connect the Wiring Harness:
- Locate the taillight wiring harness on both sides. Separate the connectors carefully and connect the T-Connector with the yellow wire on the driver’s side.
- Route the T-Connector with the green wire to the passenger side and connect it to the passenger-side wiring connectors.
All Vehicles:
-
Mount the Black Box:
- Locate a flat surface in an out-of-the-way location on the driver’s side.
- Mount the T-Connector’s black converter box using the provided double-sided tape.
-
Ground the White Wire:
- Locate a suitable grounding point on the driver’s side near the connectors.
- Drill a 3/32” hole and secure the white wire with the provided eyelet and screw.
Caution:
- Verify what is behind any surface before drilling to prevent damage or injury. Do not drill into exposed surfaces.
-
Connect the Power Wire:
- Locate the red 12-gauge power wire from the T-Connector box.
- Attach the provided black 12-gauge wire using the yellow butt connector.
- Route the black wire through a grommet or along the vehicle frame to the engine compartment and battery.
-
Connect to the Battery:
- Disconnect the negative (-) battery cable.
- Attach the fuse holder to the positive (+) battery cable using the provided ring terminal.
- Connect the other end of the fuse holder to the black power wire and install the 10-amp fuse.
-
Reassemble the Vehicle:
- Reinstall all removed trim panels, threshold covers, and floor coverings, ensuring no wires are pinched or cut.
-
Test the Installation:
- Test the installation with a test light or trailer.
- Reset the vehicle’s electrical system by temporarily removing the key from the ignition.
Specifications:
- Max. stop/turn light: 1 per side (2.1 amps)
- Max. tail lights: (5.6 amps)
Safety Notes:
- Overloading circuits can cause fires. Do not exceed the towing manufacturer’s rating or unit specifications.
- Always follow the installation instructions and use safety glasses during the installation.
Manufacturer Notes:
- Refer to the vehicle owner’s manual for additional guidance.
Installation Instructions for T-Connector Adapter for Ford Taurus, Lincoln MKS, and Ford Explorer
Part Numbers:
- 118599
Tools Required:
- Trim Panel Remover
- 10mm Socket & Ratchet or 10mm Wrench
- 7mm Socket & Ratchet or 7mm Wrench
- Torx 25 Driver
- Drill (3/32” Drill Bit)
- 1/4” Socket
- Wire Crimpers
- Wire Cutters
- Phillips Head Screwdriver
- Test Probe
Step-by-Step Instructions:
Ford Taurus / Lincoln MKS:
-
Prepare the Rear Cargo Area:
- Open the trunk and remove the threshold panel.
- Partially remove the corner felt trunk liner on both sides to expose the vehicle’s taillight wiring harness.
-
Locate and Connect the Driver-Side Wiring:
- Locate the driver’s side taillight wiring harness. Separate the connectors carefully to avoid breaking the locking tabs.
- Attach the T-Connector with the yellow and brown wires to the driver’s side wiring connectors, ensuring all connections are secure with locking tabs in place.
-
Route the T-Connector Wiring:
- Route the T-Connector containing the green wire below the threshold cover to the passenger side.
- Repeat Step 2 for the passenger side using the T-Connector with the green and red wires.
-
Store the 4-Flat Connector:
- Route the 4-flat connector through the driver’s side trim panel into the side storage compartment and store it there when not in use.
Ford Explorer:
-
Prepare the Rear Cargo Area:
- Open the rear hatch and temporarily remove the rear threshold plate, privacy screen, storage covers, and floor covering.
- Fold the rear seats forward.
-
Remove Interior Panels:
- Partially remove the rear interior trim panels on both the driver’s and passenger’s sides.
- Carefully remove fasteners and set aside panels to prevent damage.
-
Locate and Connect the Wiring Harness:
- Locate the taillight wiring harness on both sides. Separate the connectors carefully and connect the T-Connector with the yellow wire on the driver’s side.
- Route the T-Connector with the green wire to the passenger side and connect it to the passenger-side wiring connectors.
All Vehicles:
-
Mount the Black Box:
- Locate a flat surface in an out-of-the-way location on the driver’s side.
- Mount the T-Connector’s black converter box using the provided double-sided tape.
-
Ground the White Wire:
- Locate a suitable grounding point on the driver’s side near the connectors.
- Drill a 3/32” hole and secure the white wire with the provided eyelet and screw.
Caution:
- Verify what is behind any surface before drilling to prevent damage or injury. Do not drill into exposed surfaces.
-
Connect the Power Wire:
- Locate the red 12-gauge power wire from the T-Connector box.
- Attach the provided black 12-gauge wire using the yellow butt connector.
- Route the black wire through a grommet or along the vehicle frame to the engine compartment and battery.
-
Connect to the Battery:
- Disconnect the negative (-) battery cable.
- Attach the fuse holder to the positive (+) battery cable using the provided ring terminal.
- Connect the other end of the fuse holder to the black power wire and install the 10-amp fuse.
-
Reassemble the Vehicle:
- Reinstall all removed trim panels, threshold covers, and floor coverings, ensuring no wires are pinched or cut.
-
Test the Installation:
- Test the installation with a test light or trailer.
- Reset the vehicle’s electrical system by temporarily removing the key from the ignition.
Specifications:
- Max. stop/turn light: 1 per side (2.1 amps)
- Max. tail lights: (5.6 amps)
Safety Notes:
- Overloading circuits can cause fires. Do not exceed the towing manufacturer’s rating or unit specifications.
- Always follow the installation instructions and use safety glasses during the installation.
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.
Note: Store these instructions for future reference.
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