I just cut the source power wire (don't know which one it is offhand, get a hot light and trace it) that comes from the headlight switch, put some more wire on it, and ran it to the fuse box to a constant power spot. There's some extra holes in there that you can slip a simple spade type crimp-on connector to. There's spots for accessory power (hot only when in ON or ACCY, nothing when in OFF or START) or constant, which ever way you want to go. Don't wrory too much, the lights are powered by a relay, not the switch.
Sequoia