








Trailer Wiring and Bracket For 13‑16 Mazda CX‑5 All Styles 4‑Flat Harness Plug Play
Model: 118563 118144Wiring Harness (Plug & Play)
Installation Instructions
Fits The Following Vehicles:
2013 - 2016 Mazda, CX-5, All Styles
Wiring Kit Specs:
Part Number | 118563 |
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:
13 14 15 16 2013 2014 2015 2016
$87 08 $105.34 17% OFF
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Fits 's with the following styles:
View products that fit your vehicle
Fits 's with the following styles:
$105.34 $87 08
Questions? Call our Auto Experts at (877) 869-6690
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Product Details
- Brand: Tekonsha
- Model: 118563 118144
- Includes: T-One T-Connector Custom Harness, Mounting Bracket
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
Wiring Harness (Plug & Play)
Installation Instructions
Fits The Following Vehicles:
2013 - 2016 Mazda, CX-5, All Styles
Wiring Kit Specs:
Part Number | 118563 |
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:
13 14 15 16 2013 2014 2015 2016
Get Expert Help
Trailer Wiring and Bracket For 13-16 Mazda CX-5 All Styles 4-Flat Harness Plug Play Install Notes
Installation Instructions for T-Connector Adapter for Mazda CX-5
Part Numbers:
- 118563
Tools Required:
- Trim Panel Remover
- 10mm Socket & Ratchet or Wrench
- Drill (3/32” Drill Bit)
- 1/4” Socket
- Wire Crimpers
- Wire Cutters
- Test Probe
Step-by-Step Instructions:
-
Prepare the Rear Cargo Area:
- Open the rear hatch and locate the vehicle wiring inside the cargo area.
- Partially remove the plastic threshold cover, cargo trays, and rear interior trim panels on both sides.
-
Access the Taillight Wiring Harness:
- Locate the vehicle’s taillight wiring connectors behind each taillight housing.
- Separate the wiring connectors carefully to avoid damaging the locking tabs.
-
Install the Driver-Side T-Connector:
- Connect the T-Connector end with the yellow, brown, and red wires to the driver’s side taillight connectors.
- Ensure the connectors are fully inserted and the locking tabs are secure.
-
Route the Passenger-Side T-Connector:
- Route the T-Connector with the green wire below the threshold cover to the passenger’s side taillight housing.
- Repeat the connection process for the passenger side.
-
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 the surface before drilling to avoid damage or injury.
-
Connect the Power Wire:
- Connect the black 12-gauge wire from the T-Connector box to the provided black wire using the supplied yellow butt connector.
- Route the black wire through a grommet and along the exterior frame to the engine compartment.
Warning:
- Avoid hot pipes, heat shields, and fuel tanks.
-
Connect to the Vehicle Battery:
- Disconnect the vehicle’s negative (-) battery cable.
- Attach the yellow fuse holder to the positive (+) battery cable using the provided ring terminal.
- Connect the black wire to the fuse holder using the yellow butt connector.
- Insert the 15-amp fuse into the fuse holder.
-
Mount the Black Box:
- Locate a flat, out-of-the-way surface inside the vehicle to mount the T-Connector’s black box using the double-sided tape.
Warning:
- Mount the black box only inside the vehicle to avoid exposure to elements or moisture.
-
Secure the Wiring:
- Use the provided cable ties to secure the T-Connector harness, avoiding areas that may pinch, cut, or melt the wire.
-
Reassemble the Vehicle:
- Reinstall all removed panels, trim pieces, and covers, ensuring 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 the vehicle manufacturer's ratings or the specified maximum circuit ratings.
- Wear safety glasses and follow all safety precautions during installation.
Manufacturer Notes:
- Refer to the vehicle owner’s manual and instruction sheet for additional details.
Installation Instructions for T-Connector Adapter for Mazda CX-5
Part Numbers:
- 118563
Tools Required:
- Trim Panel Remover
- 10mm Socket & Ratchet or Wrench
- Drill (3/32” Drill Bit)
- 1/4” Socket
- Wire Crimpers
- Wire Cutters
- Test Probe
Step-by-Step Instructions:
-
Prepare the Rear Cargo Area:
- Open the rear hatch and locate the vehicle wiring inside the cargo area.
- Partially remove the plastic threshold cover, cargo trays, and rear interior trim panels on both sides.
-
Access the Taillight Wiring Harness:
- Locate the vehicle’s taillight wiring connectors behind each taillight housing.
- Separate the wiring connectors carefully to avoid damaging the locking tabs.
-
Install the Driver-Side T-Connector:
- Connect the T-Connector end with the yellow, brown, and red wires to the driver’s side taillight connectors.
- Ensure the connectors are fully inserted and the locking tabs are secure.
-
Route the Passenger-Side T-Connector:
- Route the T-Connector with the green wire below the threshold cover to the passenger’s side taillight housing.
- Repeat the connection process for the passenger side.
-
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 the surface before drilling to avoid damage or injury.
-
Connect the Power Wire:
- Connect the black 12-gauge wire from the T-Connector box to the provided black wire using the supplied yellow butt connector.
- Route the black wire through a grommet and along the exterior frame to the engine compartment.
Warning:
- Avoid hot pipes, heat shields, and fuel tanks.
-
Connect to the Vehicle Battery:
- Disconnect the vehicle’s negative (-) battery cable.
- Attach the yellow fuse holder to the positive (+) battery cable using the provided ring terminal.
- Connect the black wire to the fuse holder using the yellow butt connector.
- Insert the 15-amp fuse into the fuse holder.
-
Mount the Black Box:
- Locate a flat, out-of-the-way surface inside the vehicle to mount the T-Connector’s black box using the double-sided tape.
Warning:
- Mount the black box only inside the vehicle to avoid exposure to elements or moisture.
-
Secure the Wiring:
- Use the provided cable ties to secure the T-Connector harness, avoiding areas that may pinch, cut, or melt the wire.
-
Reassemble the Vehicle:
- Reinstall all removed panels, trim pieces, and covers, ensuring 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 the vehicle manufacturer's ratings or the specified maximum circuit ratings.
- Wear safety glasses and follow all safety precautions during installation.
Manufacturer Notes:
- Refer to the vehicle owner’s manual and instruction sheet for additional details.
Important Notices:
-
Installation Summary: 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.
-
Warranty Information: For complete warranty instructions, please download the full installation PDF.