A friend and car-electrics guru pointed me to this guy who makes specialty fuses with fold out tabs for tapping into 12v power. I did this (ok, my friend did it) with my last car and thought the guy didn't make it for the FJ's mini fuses. Turns out HE DOES!!!
Check it out:
The Access
For hardwiring, these things ROCK! Easy to setup and use. We hardwired my old Passport with no problem.
I do not own or have part in this product or company. It is simply the coolest thing for hardwiring components to your car.
I just ordered two sets of the multi-amp packs.
Hope someone else finds this useful.
EDIT: Received my order. Very cool. See page two!
C.