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Garmin PowerSwitch works for those things I don't need physical switches for.
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I like to so that I can ensure that those devices are definitely off when I turn the vehicle off and park it (and for high amp things like a compressor, to make it less likely I will forget to turn the engine on to run it). The AUX switches make that simple. You can wire some low amp things to a fuse that is ignition powered, but you may or may not choose a circuit that can handle the load. And something high amp like a compressor can't be just hooked up to an existing circuit.What’s the purpose of using aux switches for a com or compressor?
the com unit already has a power switch and you can install it to bring fused power to it from battery, acc switch or full ignition. Seems unnecessary to also put the aux switch in the mix. Same for ARB compressor and dash cam.
Wow, 3 year old thread revived! I haven't seen that XBB relay, I'll for sure keep that in mind.Here was my solution. Garmin power switch. I also have the XBB relay which can be triggered by a bunch of OBD2 triggers like high beams or reverse lights.