Yes that’s it. Depending on what you already have, you may need this..which allows you to crimp/splice on a SAE connector to the power cord:Is this the item:
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7-Way Power Access Connector
Have you ever thought about powering your compressor from the trailer hitch plug? We have! Make inflation more convenient with our automotive-grade 7-way power connector. This part uses an SAE plug to connect to your VIAIR compressor's power cord, making it a versatile tool. If you have a...viaircorp.com

SAE Conversion Kit
The SAE conversion kit converts your conventional battery clamp power cord to an SAE end, allowing you to use other attachments such as terminal rings or 7-way power access to power your compressor.
