https://www.truck-manuals.net/mack/ INSTRUMENTS AND CONTROLS 75 LIGHT CONTROL PANEL The light control panel is located on the driver side of the dash. This panel controls the parking lights, interior panel lights, headlights and fog lights (if equipped).
C0029600
1. Light Control Knob/Pull for Fog
3. Dome Lamps
2. Panel Dimmer Switch With the light control knob in the left position, all lights are off. With the knob in the middle position, the parking lights and interior panel lights will illuminate. With the knob in the far right position, the headlights will turn on. To turn on the fog lights (if equipped), put the knob in the far right position and pull out the fog light button (see Figure above). The fog light symbol will illuminate indicating the lights are on. To adjust the intensity of the panel light, roll the panel dimmer switch up and down. To turn on the dome lamps, push the right switch up. To turn the dome lamps off, push the switch down.
