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Is there any way to set the cig lighter, located directly below the stereo, to shut off when the ignition key is turned off? I recently put in an XM roady, and hate having to unplug the power supply each time I get in/out of the truck.
The owner's manual says not to use the cig. lighter as a 12v power source. Why, I have no clue I've used them for years to charge my phone and run radar detectors.