I wouldn't want to leave my ignition switch on while listening to the radio, just because of the extra battery drain. I'd wire the radio to the Hot side of the power bar. If you're connecting the memory wire straight, so it has constant power, I wouldn't bother with a switch on the main power wire. Turning the radio off would be the same as flipping the switch if the memory wire is still connected, and the memory doesn't normally draw very much.
Just bought my XP2014 and discovered the same issue that in order to listen to the radio the ignition has to be on AUX. Not only does the dash light come on showing the power steering but also the trail lights. Is this normal?
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