Up to VIN S5219999

Battery voltage is applied at all times from the HEAD fuse to the light switch. With the light switch in HEAD and the dimmer switch in the LO position, battery voltage is directed through the light switch to the left and right LO beam filaments. The headlight LO beams light. With the dimmer switch in the HI position, battery voltage is directed through the light switch to the left and right HI beam filaments, and the Hi beam indicator. The HI beams and the HI beam indicator light.