I mounted mine in a pretty good spot. You know under your steering column, there are 2 bolts that hold on that big panel. Well, there are 2 'covers' that cover the bolts and pop off rather easily. Use a flat head screw driver, and pop off the one on the left. Cut out a small corner in the top right of the cover, in order to run the wire to the switch out of it. Then put the cover back in (The switch should be hanging down a little with the wires coming through the corner you just cut out.) Then you can push the switch against the panel, where the 2 different types of material come together. (The bottom is plastic, the top is a soft, rubbery material.) You can run 2 small nails through the holes that are already in the switch, up into the soft material and it will hold just fine. Easy to get to the switch and is a good spot.
That was kind of hard to explain cause I don't know the exact names of everything. But it should help.