Montero Sport 2WD V6-3.0L SOHC (1997)
Headlamp Switch: Description and Operation
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If the passing switch is set to the ON position when the ignition switch is at the ACC or ON position and the lighting switch is at the OFF or TAIL
position, the low beams and high beams will illuminate simultaneously when the dimmer switch is at the LO position, and the high beams will
illuminate when the dimmer switch is at the HI position.