Circuit Operation - Headlamp Switch

The headlamp switch supplies a ground, through circuit 1200E, to the DRL logic whenever the switch is in the high beam or flash-to-pass position. With a ground supplied to the DRL logic the high beam telltale will be turned On.

The headlamp switch supplies a ground, through circuit 1201H, to the DRL logic whenever the switch is in the low beam position. With a ground supplied to the DRL logic, DRL will be turned OFF.