Part Description
Sync your trailer lights with your vehicles lights through the GMC Accessories Trailer Wiring Electrical Adapter. It will allow you to connect and adapt your vehicles wiring system to your trailer wiring system helping you to communicate your actions to other drivers.
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Priced Right
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Factory Fit
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Easy Returns
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In-House Experts
You have selected a Trailer Wiring Harness Adapter 7 pin to 12 Volt Auxiliary Adapter (part # 12497781) for the 2017 GMC Sierra 1500 . This genuine GMC replacement part is manufacturer approved to keep your Sierra 1500 running at peak performance for longer. We offer wholesale pricing on any OEM GMC part for any model or year on the road today.