











Trailer Wiring and Bracket w/ Light Tester For 11‑13 Ford Fiesta 06‑12 Fusion Plug & Play 4‑Flat Harness
Model: 118422 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:
2011 - 2013 Ford, Fiesta, 4 Dr. Sedan
2006 - 2012 Ford, Fusion, All Styles
Wiring Specs
Part Number | 118422 |
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
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:
06 07 08 09 10 11 12 13 2006 2007 2008 2009 2010 2011 2012 2013
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Fits 's with the following styles:
View products that fit your vehicle
Fits 's with the following styles:
$98.63 $77 22
Questions? Call our Auto Experts at (877) 869-6690
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Product Details
- Brand: Tekonsha
- Model: 118422 118144 20114
- Includes: T-One T-Connector Custom Harness, Mounting Bracket, 4-Flat Car End Tester
Compatibility Chart
Year Range | Make | Model | Style |
---|---|---|---|
Loading... |
Plug and Play T-One Wiring Harness Connector
4-Flat Mounting Bracket
4-Flat Car End Tester w/ LED Display
Fits The Following Vehicles:
2011 - 2013 Ford, Fiesta, 4 Dr. Sedan
2006 - 2012 Ford, Fusion, All Styles
Wiring Specs
Part Number | 118422 |
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
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:
06 07 08 09 10 11 12 13 2006 2007 2008 2009 2010 2011 2012 2013
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 |
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Trailer Wiring and Bracket w/ Light Tester For 11-13 Ford Fiesta 06-12 Fusion Plug & Play 4-Flat Harness Install Notes
Installation Instructions for T-Connector Adapter
Part Numbers:
- 118422
Tools Required:
- Drill with 3/32” Drill Bit
- Philips Head Screwdriver
- 10mm Socket & Ratchet or 10mm Wrench
- Wire Crimpers
- Wire Cutters
Step-by-Step Instructions:
-
Locate Vehicle Wiring:
- Partially remove the plastic threshold cover and felt trunk liner inside the vehicle’s rear cargo area.
- Identify the connection points matching the T-Connector ends at the back of each taillight housing.
-
Install T-Connector on the Driver’s Side:
- Separate the vehicle’s taillight connectors and insert the T-Connector with the yellow and red wires between the separated connectors.
- Ensure all connectors are fully inserted with locking tabs secure.
-
Route Passenger-Side Wiring:
- Route the T-Connector with the green wire below the threshold cover to the passenger’s side taillight housing.
- Repeat step 2 for the passenger’s side using the green wire.
-
Connect Power Wire:
- Inside the trunk, connect the black 12-gauge wire and the red wire from the T-Connector black box using the supplied yellow butt connector.
-
Ground the White Wire:
- Locate a suitable grounding point near the connector, such as the vehicle’s frame or cross member. Avoid drilling into the vehicle floor or bed.
- 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 the surface before drilling to avoid damage or injury.
-
Route the Power Wire to the Battery:
- Route the black wire through the engine compartment to the vehicle’s battery.
- Avoid areas with hot pipes, heat shields, fuel tanks, or other points that may pinch or break the wire.
-
Connect to the Vehicle Battery:
- Disconnect the vehicle's negative (-) battery cable.
- Cut the fuse holder wire and attach the ring terminal. Secure the ring terminal to the positive (+) battery cable.
- Connect the other end of the fuse holder to the black 12-gauge wire using the yellow butt connector.
- Reconnect the negative (-) battery cable and install the 10-amp fuse into the fuse holder.
-
Secure Wiring:
- Secure the remainder of the T-Connector harness using the provided cable ties to prevent damage or rattling.
- Mount the T-Connector black box on a flat, clean surface using double-sided tape.
-
Reassemble the Vehicle:
- Replace the trunk threshold and felt trunk liner, ensuring no wires are pinched or cut.
-
Test the Installation:
- Test the installation with a test light or trailer to verify functionality.
Specifications:
- Max. stop/turn light: 1 per side (2.1 amps)
- Max. tail lights: (4.2 amps)
Safety Notes:
- Overloading circuits can cause fires. Do not exceed the lower of the towing manufacturer’s rating or the unit specifications.
- Test thoroughly to ensure proper installation.
Manufacturer Notes:
- Store the 4-flat connector in the rear cargo area when not in use.
- Refer to the vehicle owner’s manual and instruction sheet for additional guidance.
Installation Instructions for T-Connector Adapter
Part Numbers:
- 118422
Tools Required:
- Drill with 3/32” Drill Bit
- Philips Head Screwdriver
- 10mm Socket & Ratchet or Wrench
- Wire Crimpers
- Wire Cutters
Step-by-Step Instructions:
-
Locate Vehicle Wiring:
- Partially remove the plastic threshold cover and felt trunk liner inside the vehicle’s rear cargo area.
- Identify the connection points matching the T-Connector ends at the back of each taillight housing.
-
Install T-Connector on the Driver’s Side:
- Separate the vehicle’s taillight connectors and insert the T-Connector with the yellow and red wires between the separated connectors.
- Ensure all connectors are fully inserted with locking tabs secure.
-
Route Passenger-Side Wiring:
- Route the T-Connector with the green wire below the threshold cover to the passenger’s side taillight housing.
- Repeat Step 2 for the passenger’s side using the green wire.
-
Connect Power Wire:
- Inside the trunk, connect the black 12-gauge wire and the red wire from the T-Connector black box using the supplied yellow butt connector.
-
Ground the White Wire:
- Locate a suitable grounding point near the connector, such as the vehicle’s frame or cross member. Avoid drilling into the vehicle floor or bed.
- 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 the surface before drilling to avoid damage or injury.
-
Route the Power Wire to the Battery:
- Route the black wire through the engine compartment to the vehicle’s battery.
- Avoid areas with hot pipes, heat shields, fuel tanks, or other points that may pinch or break the wire.
-
Connect to the Vehicle Battery:
- Disconnect the vehicle's negative (-) battery cable.
- Cut the fuse holder wire and attach the ring terminal. Secure the ring terminal to the positive (+) battery cable.
- Connect the other end of the fuse holder to the black 12-gauge wire using the yellow butt connector.
- Reconnect the negative (-) battery cable and install the 10-amp fuse into the fuse holder.
-
Secure Wiring:
- Secure the remainder of the T-Connector harness using the provided cable ties to prevent damage or rattling.
- Mount the T-Connector black box on a flat, clean surface using double-sided tape.
-
Reassemble the Vehicle:
- Replace the trunk threshold and felt trunk liner, ensuring no wires are pinched or cut.
-
Test the Installation:
- Test the installation with a test light or trailer to verify functionality.
Specifications:
- Max. Stop/Turn Light: 1 per side (2.1 amps)
- Max. Tail Lights: (4.2 amps)
Safety Notes:
- Overloading circuits can cause fires. Do not exceed the lower of the towing manufacturer’s rating or the unit specifications.
- Test thoroughly to ensure proper installation.
Warnings:
- Avoid routing wires near hot pipes, moving parts, or sharp edges.
- Follow all safety precautions and instructions included in the installation guide.
Attention: This is a summary of the installation procedure. For complete installation instructions, including diagrams and detailed information, download the full installation PDF.
Technical Support:
For additional assistance, visit www.trailerjacks.com or call 877-869-6690.