2011 ram 1500 cigarette lighter fuse trick Dodge Forum for Truck Owners & Enthusiasts Ram 1500 - POWER OUTLET
Description
Great forum

#1 Edit: I've updated all the information here to a much more comprehensive thread covering both the internal and external fuse panels
Test the Lighter : After replacing the fuse, test the cigarette lighter to ensure it is working properly

The fuse for the cigarette lighter is located in the fuse box, which can typically be found either under the dashboard near the drivers side or in the engine bay
The link I posted above is for the 4th gen Classic

When you insert a small 20 fuse, the outlet will alternate power with the truck on/off