2011 ram 1500 cigarette lighter fuse box diagram Dodge Ram 1500 (mk4; 2011
Description
It helps to completely read your owners manual

If you plug it in backward, the OEM fuse location will still work properly, but the tap will not provide fused protection to the new accessory
Used a multimeter in the plug and it has no juice
Knowing the right fuse size and where to locate it can save you time and effort when troubleshooting the problem

They use Micro2 Fuses, Micro3 Fuses, and MCASE Fuses
#7 I went to the site and looked at the fuse locations for my truck