I have a GPS plugged into the accessory power and would like it to turn off when I turn off my truck but the accessory plug stays hot after the truck is turned off. Is there a way to tell the truck to turn off the power to the accessory power plug when the truck is turned off? I was hoping there is a way to do this without rewiring anything.
Thanks
I have a 2015 GMC Sierra SLE without navigation built in.