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Kia Telluride (2023–2025) Active 7-Way Wiring Installation

OEM-style active 7-way trailer wiring harness for a 2023–2025 Kia Telluride

The Stealth active wiring package uses OEM Hyundai/Kia electronics so the Telluride can recognize a connected trailer and support integrated towing functions. Cargo trim is removed, an OEM-style harness and control module are connected to factory towing and auxiliary-power connectors, and a sealed 7-way receptacle is mounted at the hitch. Lighting, auxiliary power, ground, and brake-output functions are verified before reassembly.

Installation Time: Typically 1–2 additional hours

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OEM-style active 7-way trailer wiring harness for a 2023–2025 Kia Telluride

1. Opening the Rear Cargo Area

Rear cargo trim, storage compartments, threshold pieces, and necessary interior access panels are carefully removed. This provides access to the Telluride’s factory towing connectors and protected wiring channels.

OEM-style active 7-way trailer wiring harness for a 2023–2025 Kia Telluride

2. Routing the Factory-Style Harness

The active harness is routed from beneath the vehicle through the cargo floor using a sealed OEM-style grommet connection. The seal helps protect the interior from moisture and road debris.

OEM-style active 7-way trailer wiring harness for a 2023–2025 Kia Telluride

3. Connecting the OEM Electronics

Inside the cargo area, the harness connects to the factory Kia towing and auxiliary-power connectors. A dedicated trailer control module is mounted securely, with proper grounding, fuse installation, and connector placement.

OEM-style active 7-way trailer wiring harness for a 2023–2025 Kia Telluride

4. Securing the Wiring and Mounting the 7-Way

All wiring is secured and protected from heat, moisture, and road debris. The sealed 7-way receptacle is mounted directly to the hitch assembly for a clean, factory-style connection.

OEM-style active 7-way trailer wiring harness for a 2023–2025 Kia Telluride

5. Testing Every Trailer Circuit

Brake lights, turn signals, running lights, 12-volt auxiliary power, ground, and electric-brake output are verified before the cargo-area trim is reinstalled. The completed active system can then communicate with the Telluride’s integrated towing functions.

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Serving Upstate South Carolina:

Anderson • Boiling Springs • Clemson • Easley  • Fountain Inn • Gaffney • Greenville • Greenwood • Greer • Laurens • Mauldin • Simpsonville • Spartanburg • Taylors • Travelers Rest 

Serving Western North Carolina:

Arden • Asheville • Black Mountain • Brevard • Candler • Hendersonville • Waynesville • Weaverville • Woodfin

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