Trailer Wiring and Bracket For 18‑24 Chevy Equinox GMC Terrain w/ Tow Prep Package 4‑Flat Harness Plug Play
Model: 118285 118144Plug and Play T-One Wiring Harness Connector
4-Flat Mounting Bracket
This Hitch Fits The Following Vehicles:
2018 - 2024 Chevrolet, Equinox, w/ Tow Prep Package
2018 - 2024 GMC, Terrain, w/ Tow Prep Package
Direct Plug & Play Wiring Kit
Wiring Specs
| Part Number | 118285 |
| 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 |
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:
18 19 20 21 22 23 24 2018 2019 2020 2021 2022 2023 2024
$48 00 $61.70 22% OFF
- Best Price on Web Guarantee
- Fastest Shipping
- FREE Shipping
- In Stock
We match lower prices from major authorized retailers for brand-new products in original packaging, provided the item is in stock. The competing seller must be an authorized, professional retail business; offers from
individuals, auctions, peer-to-peer sites, or unauthorized sellers don’t qualify. Used, refurbished, or open-box items are excluded.
Please see our full terms for details.
Verify Fitment
$61.70 $48 00
Learn more
Questions? Call our Auto Experts at (877) 869-6690
Get it now, pay later
Select installments at checkout to split your purchase into 4 interest-free payments of $12.00 every 2 weeks.
- No fees, ever.
- No impact on your credit score.
Payment options are offered by Affirm and are subject to an eligibility check and might not be available in all states. CA Residents: Loans by Affirm Loan Services, LLC are made or arranged pursuant to a California Finance Lender license.
Installments in partnership with
.
Affirm and its offerings are supported in English only. Translations are not provided by Affirm.
Product Details
- Brand: Tekonsha
- Model: 118285 118144
- Includes: Tow Custom Harness, Mounting Bracket
Compatibility Chart
Plug and Play T-One Wiring Harness Connector
4-Flat Mounting Bracket
This Hitch Fits The Following Vehicles:
2018 - 2024 Chevrolet, Equinox, w/ Tow Prep Package
2018 - 2024 GMC, Terrain, w/ Tow Prep Package
Direct Plug & Play Wiring Kit
Wiring Specs
| Part Number | 118285 |
| 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 |
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:
18 19 20 21 22 23 24 2018 2019 2020 2021 2022 2023 2024
Get Expert Help
Trailer Wiring and Bracket For 18-24 Chevy Equinox GMC Terrain w/ Tow Prep Package 4-Flat Harness Plug Play Install Notes
Installation Instructions for T-One® T-Connector for GMC Terrain and Chevrolet Equinox
Part Numbers:
- 118285
Tools Required:
- Trim Panel Puller
- Test Probe
Step-by-Step Instructions:
-
Access the Fuse and Relay Panel:
- Open the rear lift gate and remove the access panel on the driver’s side to locate the fuse and relay panel.
- Locate relay positions K1 and K3:
- If relays are present, the included relays will not be used.
- If no relays are present, install the included relays into positions K1 (Trailer Stop/Turn) and K3 (Trailer Stop/Turn).
Note: If no relay provisions are present (terminals missing from the relay cavity), the T-One without the tow prep package is required.
-
Locate the Trailer Harness Connector:
- Under the vehicle, behind the rear bumper on the driver’s side, locate the trailer harness connector.
-
Remove the Protective Cap:
- Remove the protective cap from the connector and store it in the glove compartment along with the installation instructions.
- Ensure the mating surfaces of the connectors are clean and free of dirt. Clean if necessary.
-
Connect the 6-Pin Tow-Plug Adapter:
- Insert the 6-pin tow-plug adapter into the connector and lock it into place.
- Ensure all connectors are fully inserted and the locking tabs are secure.
-
Route and Secure the T-Connector Harness:
- Route the T-Connector harness rearward to the back of the bumper fascia.
- Secure the remainder of the T-One® Connector harness with the provided cable ties, avoiding areas that could pinch, cut, or melt the wire.
-
Mount the 4-Flat Connector:
- Mount the 4-flat connector end in an accessible location using a bracket or electrical box (not included).
-
Test and Verify Installation:
- Ensure all connections are complete for the T-One® Connector to function properly.
- Test the installation with a test light or trailer. For the initial test, reset the vehicle electrical system by temporarily removing the key from the ignition.
Safety Notes:
- Overloading circuits can cause fires. Do not exceed stated product ratings or the towing capacity specified in the vehicle owner’s manual.
- Always wear safety glasses and follow all safety precautions during installation.
- Read and follow all warnings and instructions included with the purchase and those printed on the tow vehicle’s battery.
Manufacturer Notes:
- Refer to the vehicle owner’s manual and the instruction sheet for additional details.
- Store these instructions for future reference.
Installation Instructions for T-One® T-Connector
Part Numbers:
- 118285
Tools Required:
- Trim Panel Puller
- Test Probe
Step-by-Step Instructions:
-
Access the Fuse and Relay Panel:
- Open the rear lift gate and remove the access panel on the driver’s side to locate the fuse and relay panel.
- Locate relay positions K1 and K3:
- If relays are present, the included relays will not be used.
- If no relays are present, install the included relays into positions K1 (Trailer Stop/Turn) and K3 (Trailer Stop/Turn).
- Note: If no relay provisions are present (terminals missing from the relay cavity), the T-One without the tow prep package is required.
-
Locate the Trailer Harness Connector:
- Under the vehicle, behind the rear bumper on the driver’s side, locate the trailer harness connector.
-
Remove the Protective Cap:
- Remove the protective cap from the connector and store it in the glove compartment along with the installation instructions.
- Ensure the mating surfaces of the connectors are clean and free of dirt. Clean if necessary.
-
Connect the 6-Pin Tow-Plug Adapter:
- Insert the 6-pin tow-plug adapter into the connector and lock it into place.
- Ensure all connectors are fully inserted and the locking tabs are secure.
-
Route and Secure the T-Connector Harness:
- Route the T-Connector harness rearward to the back of the bumper fascia.
- Secure the remainder of the T-One® Connector harness with the provided cable ties, avoiding areas that could pinch, cut, or melt the wire.
-
Mount the 4-Flat Connector:
- Mount the 4-flat connector end in an accessible location using a bracket or electrical box (not included).
-
Test and Verify Installation:
- Ensure all connections are complete for the T-One® Connector to function properly.
- Test the installation with a test light or trailer. For the initial test, reset the vehicle electrical system by temporarily removing the key from the ignition.
Safety Notes:
- Overloading circuits can cause fires. Do not exceed stated product ratings or the towing capacity specified in the vehicle owner’s manual.
- Always wear safety glasses and follow all safety precautions during installation.
- Read and follow all warnings and instructions included with the purchase and those printed on the tow vehicle’s battery.
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.
Warranty Information:
For warranty duration and coverage details, please download the full installation PDF.
