Towing Equipment› Trailer Wiring and Electronics

Tekonsha

T ONE CONNECTOR 2025 GMC TERRAIN

$121.04

SKU: T00P 118896

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Special Order
Ships in 4–6 weeks
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Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Tekonsha 118896 is a T-OneT-Connector custom wiring harness designed for adding an electrical connector to the back of a vehicle for trailer towing. It links your vehicle's wiring to the trailer's wiring. This harness features custom designs specific to vehicle makes and models, utilizing plug-and-play connectors for straightforward installation without cutting or splicing.

It is specifically designed to fit the 2025 GMC Terrain, connecting behind the taillight to the vehicle's wiring harness. The unit includes a circuit-protected ModuLiteHD module.

Fitment

Fitment Guaranteed

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Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandTekonsha
Part NumberT00P 118896

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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