-1000x1000.webp "Plug and Play T-One Wiring Harness Connector 4-Flat Mounting Bracket Installation Instructions 118405 118144 Tekonsha Trailer Wiring and Bracket 14-21 Toyota Corolla 07-21 Camry 07-14 FJ Cruiser 14-18 Mazda 3 03-08 Mazda 6 07-12 CX-7 Plug Play 4-Flat Harn")
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-550x550.webp "Plug and Play T-One Wiring Harness Connector 4-Flat Mounting Bracket Installation Instructions 118405 118144 Tekonsha Trailer Wiring and Bracket 14-21 Toyota Corolla 07-21 Camry 07-14 FJ Cruiser 14-18 Mazda 3 03-08 Mazda 6 07-12 CX-7 Plug Play 4-Flat Harn")
Trailer Wiring and Bracket For 14‑21 Toyota Corolla 07‑21 Camry 07‑14 FJ Cruiser 14‑18 Mazda 3 03‑08 Mazda 6 07‑12 CX‑7 Plug & Play 4‑Flat Harness
Model: 118405 118144Includes Everything Pictured:
Plug and Play T-One Wiring Harness Connector
4-Flat Mounting Bracket
Installation Instructions
Fits The Following Vehicles:
2014 - 2018 Mazda, 3, 5 Dr. Hatchback
2014 - 2018 Mazda, 3, 4 Dr. Sedan
2003 - 2008 Mazda, 6, 4 Dr. Sedan
2004 - 2008 Mazda, 6, 5 Dr. Hatchback
2007 - 2012 Mazda, CX-7, All Styles
2007 - 2009 Toyota, Camry, 4 Dr. Sedan, Except Hybrid
2012 - 2021 Toyota, Camry, Including Hybrid
2014 - 2019 Toyota, Corolla, All Styles
2007 - 2014 Toyota, FJ Cruiser, All Styles
2014 - 2021 Toyota, Corolla, Except Hatchback
Wiring Kit Specs:
| Part Number | 118405 |
| 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 |
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:
05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
$76 13 $86.60 12% OFF
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Product Details
- Brand: Tekonsha
- Model: 118405 118144
- Includes: T-One T-Connector Custom Harness, Mounting Bracket
Compatibility Chart
Description
Includes Everything Pictured:
Plug and Play T-One Wiring Harness Connector
4-Flat Mounting Bracket
Installation Instructions
Fits The Following Vehicles:
2014 - 2018 Mazda, 3, 5 Dr. Hatchback
2014 - 2018 Mazda, 3, 4 Dr. Sedan
2003 - 2008 Mazda, 6, 4 Dr. Sedan
2004 - 2008 Mazda, 6, 5 Dr. Hatchback
2007 - 2012 Mazda, CX-7, All Styles
2007 - 2009 Toyota, Camry, 4 Dr. Sedan, Except Hybrid
2012 - 2021 Toyota, Camry, Including Hybrid
2014 - 2019 Toyota, Corolla, All Styles
2007 - 2014 Toyota, FJ Cruiser, All Styles
2014 - 2021 Toyota, Corolla, Except Hatchback
Wiring Kit Specs:
| Part Number | 118405 |
| 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 |
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:
05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021
Get Expert Help
Trailer Wiring and Bracket For 14-21 Toyota Corolla 07-21 Camry 07-14 FJ Cruiser 14-18 Mazda 3 03-08 Mazda 6 07-12 CX-7 Plug & Play 4-Flat Harness Install Notes
Installation Instructions for T-Connector Adapter
Part Numbers:
- 118405
Wiring Access Location:
- Rear taillight assemblies and under the vehicle near the bumper.
Tools Required:
- Drill with 3/32” drill bit.
- Philips head screwdriver.
- 10mm socket and ratchet or wrench.
- Wire crimpers and cutters.
- Trim panel remover.
Step-by-Step Instructions:
-
Access Vehicle Wiring:
- Open the rear tailgate and remove the threshold panel.
- For Mazda 6 Sedan and Coupe, remove the two 10mm nuts securing the driver’s side taillight housing. Pull the housing directly rearward to remove and set aside.
-
Prepare Wiring for Mazda 6 and Toyota Camry:
- Locate the vehicle's wiring inside the trunk area by removing the plastic threshold cover and trunk liner.
- Route the black 12-gauge wire through the opening in the taillight socket and behind the bumper to the engine compartment.
-
Driver’s Side Connection:
- Attach the T-Connector containing the yellow and red wires between the vehicle wiring connectors behind the driver’s side taillight. Ensure the connectors are fully inserted and secure the locking tabs.
-
Passenger’s Side Connection:
- Route the T-Connector with the green wire to the passenger side beneath the vehicle threshold cover.
- Repeat step 3 using the T-Connector ends with the green wire.
-
Ground Connection:
- Locate a suitable grounding point near the connector:
- Option 1: Clean the area, drill a 3/32” hole, and secure the white wire with the provided eyelet and screw.
- Option 2: Use an existing ground stud. Loosen the bolt, attach the eyelet, and retighten.
- Locate a suitable grounding point near the connector:
-
Routing the Power Wire:
- Route the black 12-gauge wire from the taillight area to the engine compartment, avoiding hot pipes, heat shields, and the fuel tank.
-
Connect to the Battery:
- Disconnect the negative battery cable.
- Install the yellow fuse holder on the positive battery cable using the provided ring terminal and yellow butt connector.
- Connect the other end of the fuse holder to the black 12-gauge wire using the provided yellow butt connector.
-
Reconnect Battery and Test Installation:
- Reconnect the negative battery cable.
- Insert the 10-amp fuse into the fuse holder.
- Test the installation with a test light or trailer.
-
Final Steps:
- Secure the T-Connector black box using the provided double-sided tape.
- Use cable ties to secure the remaining harness to prevent damage or rattling.
- Reinstall all panels, liners, and covers removed during the process.
Specifications:
- Max. stop/turn light: 1 per side (2.1 amps).
- Max. tail lights: (4.2 amps).
Hardware List:
- T-Connector adapter.
- Black converter box.
- Yellow fuse holder with 10-amp fuse.
- Eyelet and screw.
- Double-sided tape.
- Cable ties.
Safety Notes:
- Ensure all connections are complete to avoid circuit overload.
- Test thoroughly after installation to confirm functionality.
Manufacturer Notes:
- Follow all vehicle warnings and installation instructions.
- Use a test light or trailer to confirm proper installation.
- Consult the vehicle owner’s manual for additional details.
Installation Instructions for T-Connector Adapter
Part Numbers:
- 118405
Wiring Access Location:
- Rear taillight assemblies and under the vehicle near the bumper.
Tools Required:
- Drill with 3/32” drill bit
- Philips head screwdriver
- 10mm socket and ratchet or wrench
- Wire crimpers and cutters
- Trim panel remover
Step-by-Step Instructions:
-
Access Vehicle Wiring:
- Open the rear tailgate and remove the threshold panel.
- For Mazda 6 Sedan and Coupe, remove the two 10mm nuts securing the driver’s side taillight housing. Pull the housing directly rearward to remove and set aside.
-
Prepare Wiring for Mazda 6 and Toyota Camry:
- Locate the vehicle's wiring inside the trunk area by removing the plastic threshold cover and trunk liner.
- Route the black 12-gauge wire through the opening in the taillight socket and behind the bumper to the engine compartment.
-
Driver’s Side Connection:
- Attach the T-Connector containing the yellow and red wires between the vehicle wiring connectors behind the driver’s side taillight.
- Ensure the connectors are fully inserted and secure the locking tabs.
-
Passenger’s Side Connection:
- Route the T-Connector with the green wire to the passenger side beneath the vehicle threshold cover.
- Repeat step 3 using the T-Connector ends with the green wire.
-
Ground Connection:
- Locate a suitable grounding point near the connector:
- Option 1: Clean the area, drill a 3/32” hole, and secure the white wire with the provided eyelet and screw.
- Option 2: Use an existing ground stud. Loosen the bolt, attach the eyelet, and retighten.
- Locate a suitable grounding point near the connector:
-
Routing the Power Wire:
- Route the black 12-gauge wire from the taillight area to the engine compartment, avoiding hot pipes, heat shields, and the fuel tank.
-
Connect to the Battery:
- Disconnect the negative battery cable.
- Install the yellow fuse holder on the positive battery cable using the provided ring terminal and yellow butt connector.
- Connect the other end of the fuse holder to the black 12-gauge wire using the provided yellow butt connector.
-
Reconnect Battery and Test Installation:
- Reconnect the negative battery cable.
- Insert the 10-amp fuse into the fuse holder.
- Test the installation with a test light or trailer.
-
Final Steps:
- Secure the T-Connector black box using the provided double-sided tape.
- Use cable ties to secure the remaining harness to prevent damage or rattling.
- Reinstall all panels, liners, and covers removed during the process.
Specifications:
- Max. stop/turn light: 1 per side (2.1 amps)
- Max. tail lights: (4.2 amps)
Hardware List:
- T-Connector adapter
- Black converter box
- Yellow fuse holder with 10-amp fuse
- Eyelet and screw
- Double-sided tape
- Cable ties
Safety Notes:
- Ensure all connections are complete to avoid circuit overload.
- Test thoroughly after installation to confirm functionality.
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.
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