Towing Equipment› Trailer Wiring and Electronics

Hayes Brake Controller Co

DUAL MATED HARNESS GM 19992002DUAL MATED HARNESS GM 19992002

$25.33

SKU: H00T 81781-HBC

In Stock
In Stock
Ships by Jun 19
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Beginner — under 30 min

Description

The Hayes 81781-HBC is a custom wiring adapter for Hayes electric trailer brake controllers. It plugs directly into your vehicle's dash junction box and the back of your brake controller, eliminating the need for cutting or splicing wires. This adapter is compatible with time-delayed and proportional brake controllers from Hayes and is made in the USA.

Fitment

Fitment Guaranteed

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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

BrandHayes Brake Controller Co
Part NumberH00T 81781-HBC

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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