Toyota's use Low-Profile Mini fuses which are less common here. In order for the Switch-Pros to operate, it needs and ignition sense; AKA it needs to know if the vehicle is running or not. Note: Switch-Pros does supply (1) Mini fuse tap, which is not the same as fuses Toyota's use. The regular mini tap will fit in a low-profile mine fuse slot, but due to its height the factory fuse box cover located behind the dash might need modification to snap back on. The other taps are optional and used as a light sense, to dim the switch panel at night, and a trigger tap.
Comes with 2a fuse.
2nd pic shows where to tap on 3rd gen Tacoma for ignition (Top, Closest to engine) and Light sense (Bottom, closest to fender)