Yup, I have a 2001 Carribean. First I converted all four headlights to New Diamond Eyes housings and added LED bulb. OS as Low beam and the IS as the high beams. Then using a diode wired in line youconnect the low beam bulbs to the high beam source wire. Now when I have the High beams on, you have all four lit, and that was a 200% improvement. The LED conversion is a bit expensive, but my new set up is way,way way better then stock, and the LEDs have a smaller current load so I didn't overload the wiring or switch.