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2011 F150 power to GPS

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  #1  
Old 03-11-2018, 10:31 PM
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2011 F150 power to GPS

I use a Garmin GPS in my truck. When I turn truck off, both dash outlets, lighter and accessory, are hot, but sometime later they shut down. I want the power to stay on to my GPS, and don't understand why the 12v accessory power goes off Long after I shut truck down. Next step I think off is to run a dedicated 12v line from battery to GPS. can anyone here explain Why the lighter and accessory plugs switch off an hour or 2 after I switch truck off. Thanks
 
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Old 03-12-2018, 12:27 AM
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They switch off because of the accessory delay relay.
 
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  #3  
Old 03-12-2018, 08:39 AM
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Thanks, looks like dedicated 12v power from battery is a next best shot.
 
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Old 03-12-2018, 07:39 PM
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Just be careful you don't kill the battery.
 
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  #5  
Old 03-12-2018, 10:23 PM
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GPS mounted on my motorcycle can stay on all week and not kill the battery. I think the truck batt will be ok.
 
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