Rocker panel

I have a 2022 Godfrey sweetwater. I’m looking to use the 3 accessory tabs that are not in use. How do I wire into them ?  They are a 4 pin has red which I know is hot black as ground and 4 wires from it which I’m not sure what are for. Do I unplug the bottom one and run my accessory hot to it? Where does the ground go ? 

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