I use the stock one for a USB charger that kills my FM reception when it's on so I wired it to the switch. I added a second one to the left hand side because I hated the blank and run a mo-door garage door opener off it. Also have the splitter under the seat so can add other accessories as needed.
Freedom isn't free, remember to thank a vet.
2018 CVO RG lava orange, 117 Stage 3, 14" F47 and a few chrome extras. Boom crap gone.
2016 RG Special Cosmic Blue, 120ST with Dragos 2:1 and TTS tuner, FBI drop seat kit and JNR air ride. Stock audio long gone.