Trailer Wiring and Bracket w/ Light Tester For 15-23 Dodge Challenger Plug & Play 4-Flat Harness

Trailer Wiring and Bracket w/ Light Tester For 15‑23 Dodge Challenger Plug & Play 4‑Flat Harness

Model: 118656 118144 20114

Includes Everything Pictured:
Plug and Play T-One Wiring Harness Connector
4-Flat Mounting Bracket
4-Flat Car End Tester w/ LED Display

Fits The Following Vehicles:

2015 - 2023 Dodge, Challenger, All Styles

Direct Plug & Play Wiring Kit

Wiring Specs

Part Number	118656
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

4-Flat Car End Tester

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:
15 16 17 18 19 20 21 22 23 2015 2016 2017 2018 2019 2020 2021 2022 2023

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Fits Vehicle Styles

Product Details

Brand: Tekonsha
Model: 118656 118144 20114
Includes: T-One T-Connector Custom Harness, Mounting Bracket, 4-Flat Car End Tester

Compatibility Chart

Year Range	Make	Model	Style

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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Description

Part Number	118656
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

4-Flat Car End Tester

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

Tags: 118656 , 118144 , 20114 , Tekonsha , Trailer , Wiring , and , Bracket , Light , Tester , 15-23 , Dodge , Challenger , Plug , Play , 4-Flat , Harness , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 , 2015 , 2016 , 2017 , 2018 , 2019 , 2020 , 2021 , 2022 , 2023

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Trailer Wiring and Bracket w/ Light Tester For 15-23 Dodge Challenger Plug & Play 4-Flat Harness Install Notes

Installation Instructions for T-One® T-Connector for Dodge Challenger

Part Numbers:

118656

Tools Required:

Trim Panel Remover
Drill (3/32” Drill Bit)
Phillips Head Screwdriver
Test Probe

Step-by-Step Instructions:

Open the Trunk:
- Temporarily remove the rear threshold plate.
- Partially remove the felt trunk liner behind the taillights. Several trim panel fasteners will need to be removed to access the wiring harness.
Locate the Vehicle’s Taillight Wiring Harness:
- On both the driver and passenger sides of the vehicle, locate the vehicle’s taillight wiring harness connection points.
- Separate the connectors carefully, ensuring not to damage the locking tabs. Ensure all connector surfaces are clean and free of dirt.
Connect the Passenger-Side T-Connector:
- On the passenger side, separate the vehicle’s wiring connectors and attach the T-One® T-Connector containing the green wire.
- Ensure all connectors are fully inserted with the locking tabs in place.
Route the Driver-Side T-Connector:
- Route the connector containing the yellow wire down the threshold to the driver’s side.
- Push the wiring between the vehicle body and carpet.
- Repeat Step 3 for the T-One® T-Connector end with the yellow wire.
Ground the White Wire:
- Locate a suitable grounding point near the connector, such as an existing ground stud.
- Drill a 3/32” hole and secure the white wire with the provided eyelet and screw.
- Clean dirt and rustproofing from the grounding area.
Caution: Verify the area behind the surface before drilling to avoid damage or injury. Do not drill into any exposed surfaces.
Connect the Power Wire:
- Locate the battery inside the trunk on the passenger side.
- Inside the vehicle, connect the black 12-gauge wire to the black wire from the T-One® T-Connector black box using the supplied yellow butt connector.
Install the Fuse Holder:
- Disconnect the vehicle’s negative (-) battery cable.
- Remove the fuse from the yellow fuse holder.
- Attach the ring terminal of the fuse holder to the vehicle’s positive (+) battery cable.
- Connect the other end of the fuse holder to the black 12-gauge wire using the yellow butt connector.
- Insert the 15-amp fuse into the fuse holder.
Reconnect the Battery:
- Reconnect the vehicle’s negative (-) battery cable.
- Test the installation using a test light or trailer.
- Reset the vehicle’s electrical system by temporarily removing the key from the ignition.
Mount the Black Box:
- Locate a flat, out-of-the-way surface and mount the T-One® T-Connector black box module using the provided double-sided tape.
Secure the Wiring:
- Use the provided cable ties to secure the remaining harness, avoiding areas that may pinch, cut, or melt the wire.
Reassemble the Vehicle:
- Replace the carpet, panels, and any clips removed during installation. Ensure no wires are pinched or damaged.
Store the 4-Flat Connector:
- Store the 4-flat connector in the trunk area when not in use.

Specifications:

Max. stop/turn light: 2 per side (4.2 amps)
Max. tail lights: 7.5 amps

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.

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