As fireman92 said it is taped to the harness behind the heater. You can remove the heater to get to it ,or go through the cowl vent. It will have Green/Red wires going to it.
The fuse holder is a clear plasitc holder and they become brittle over time. If you get in there and find the fuse...
This might help someone Template - http://www.globalsoftware-inc.com/coolerman/fj40/hazard_switches.htm
Slow flashing is almost always the flasher. Dim lights are almost always dirty contacts on the Hazard and/or Turn switches, or bad grounds at the lights and/or corroded fuse contacts.
Don't...