Towing Equipment› Trailer Wiring and Electronics

Tekonsha

TRAILER BRAKE CONTROL HARNESS

$97.27

SKU: T00P 303700

In Stock
In Stock
Ships by Jun 14
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

The Tekonsha 303700 is a trailer brake control wiring harness designed for easy installation. It features a custom, two-plug design that connects directly to your vehicle's port and any Tekonsha brake controller, eliminating the need for cutting or splicing wires. The harness is constructed with four copper wires insulated and protected by braided nylon thread.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

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 303700

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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