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Recommended Replacement 7-Way and 4-Way Trailer Connector for 2018 GMC Sierra 1500

Question:

What 7-way connector do I need to replace mine on 2018 GMC Sierra 1500 to also get 4-way.

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Expert Reply:

To get the 4-way flat and 7-way, I recommend either the Reese Multi-Plug Wiring Harness for Factory Tow Package - 7-Way and 4-Way Flat Trailer Connectors # 74682 or the Hopkins # HM40975. The biggest difference between these is style. They will both connect to your factory wiring and give you that 4-way as well as 7-way.

The biggest difference is the Reese will allow both connections simultaneously so you can use a light bar for example and connect a trailer. The Hopkins option has spring loaded covers so only one side can be used at a time.

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