I am referrng to the plug connector to the headlight switch. The black/white is my hot wire - haven't chased it back to the firewall yet - the schematics show that as an orange wire going in to the plug connector. For whatever reason my hot is black/white stripe. By jumping the hot to the light blue wire that goes to the dimmer switch, the lights (and dimmer) work. I am ready to give up and bypass the headlight switch and put an in-line toggle or button switch for off/on.