

Trailer Wiring Harness Kit For 09‑14 Acura TSX 08‑12 Honda Accord 06‑15 Civic 07‑13 Fit 07‑12 Mitsubishi Galant 04‑13 Mazda 3
Model: 1184202009 - 2014 Acura, TSX, 4 Dr. Sedan
2008 - 2012 Honda, Accord, Coupe
2008 - 2012 Honda, Accord, Sedan
2006 - 2015 Honda, Civic, 4 Dr. Sedan, Except Hybrid & Si
2007 - 2013 Honda, Fit, All Styles
2004 - 2013 Mazda, 3, 4 Dr. Sedan, without Grand Touring LED Taillights
2004 - 2013 Mazda, 3, 5 Dr. Hatchback, without Grand Touring LED Taillights
2007 - 2012 Mitsubishi, Galant, All Styles
Direct Plug & Play Wiring Kit
Part Number | 118420 |
Brand | Tekonsha |
Warranty | 1 Year |
Installation Instructions | ![]() |
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:
04 05 06 07 08 09 10 11 12 13 14 15 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
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$68.39 $51 48
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Product Details
- Brand: Tekonsha
- Model: 118420
- UPC: 016118061185
- Includes: T-One T-Connector Custom Harness
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
2009 - 2014 Acura, TSX, 4 Dr. Sedan
2008 - 2012 Honda, Accord, Coupe
2008 - 2012 Honda, Accord, Sedan
2006 - 2015 Honda, Civic, 4 Dr. Sedan, Except Hybrid & Si
2007 - 2013 Honda, Fit, All Styles
2004 - 2013 Mazda, 3, 4 Dr. Sedan, without Grand Touring LED Taillights
2004 - 2013 Mazda, 3, 5 Dr. Hatchback, without Grand Touring LED Taillights
2007 - 2012 Mitsubishi, Galant, All Styles
Direct Plug & Play Wiring Kit
Part Number | 118420 |
Brand | Tekonsha |
Warranty | 1 Year |
Installation Instructions | ![]() |
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:
04 05 06 07 08 09 10 11 12 13 14 15 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015
Get Expert Help
Trailer Wiring Harness Kit For 09-14 Acura TSX 08-12 Honda Accord 06-15 Civic 07-13 Fit 07-12 Mitsubishi Galant 04-13 Mazda 3 Install Notes
Installation Instructions for T-Connector Adapter for Honda Fit, Honda Civic 4 Door, Honda Accord Sedan and Mazda 3
Part Numbers:
- 118420
Tools Required:
- Phillips head screwdriver
- Trim panel remover
- Drill with 3/32” drill bit
- 1/4” socket
Step-by-Step Instructions:
-
Access the Rear Cargo Area:
- Open the trunk or hatch and locate the vehicle’s wiring inside the rear cargo area.
- Remove the plastic threshold cover, side access panels, carpet panels, and cargo trays as needed.
- Locate the connection points matching the ends of the T-Connector adapter on the back of each taillight housing.
- Separate the connectors carefully, ensuring no damage to the locking tabs. Clean all surfaces to remove dirt.
Note for 2007-2008 Honda Fit:
- Use the vehicle’s blue 3-pin housing, NOT the green 3-pin housing.
-
Connect the Driver’s Side T-Connector:
- Attach the T-Connector ends containing the yellow, brown, and red wires to the driver’s side taillight wiring.
- Ensure connectors are fully inserted and the locking tabs are secure.
-
Route to the Passenger Side:
- Route the T-Connector end containing 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.
-
Ground the White Wire:
- Locate a suitable grounding point near the connector, such as an existing ground stud.
- If needed, drill a 3/32” hole and secure the white wire using the provided eyelet and screw. Avoid drilling into the vehicle floor or bed. Clean the grounding surface to remove dirt and rustproofing.
Caution:
- Verify what is behind any surface before drilling to avoid damage or personal injury.
- Do not drill into exposed surfaces.
-
Reinstall Trim and Panels:
- Replace all removed plastic trim panels, the threshold, storage covers, floor covering, and other items.
- Be careful not to pinch or cut the wires during reassembly.
-
Test the Installation:
- Verify all connections are complete for proper functionality.
- Use a test light or trailer to confirm the T-Connector is working properly.
-
Store the 4-Flat Connector:
- When not in use, store the 4-flat connector in the trunk or hatch area.
Specifications:
- Max. stop/turn light: 1 per side (2.1 amps)
- Max. tail lights: (5 amps)
Safety Notes:
- Overloading the circuit can cause fires. Do not exceed the towing manufacturer’s rating or the unit specifications.
- Refer to the vehicle owner’s manual for additional guidance.
Manufacturer Notes:
- Follow all warnings and instructions provided with the product.
- Use a test light or trailer to confirm proper installation.