GMC Sierra Wiring Adapters and Wiring Harnesses

Wiring Accessories

Make wiring connections simple with our quality adapters and harnesses.

Shop below and save

A wiring adapter or replacement trailer harness can save you a great deal of time and hassle. AutoTruckToys offers great wiring accessories from brands like GM and Tow Ready, and always at very affordable prices.

Showing 1-3 of 3 Products

Wiring Adapters and Wiring Harnesses for your GMC Sierra:


OEM GMC Sierra Trailer Hitch Wiring Adapter
$24.95


Tow Ready GMC Sierra OEM Replacement Trailer Harness
$39.95


Tow Ready GMC Sierra T-One 4-Way Trailer Plug Connector
$17.95 and up

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