1994 GMC Suburban Owner's Manual - Page 103

Headlights and Vehicle Lighting . . Push the left side of the switch with the parking lights symbol on it to turn on: 0 Parking Lights Sidemarker Lights Clearance Lights (if you have them) Taillights License Plate Lights Instrument Panel Lights Transfer Case Shift Indicator Light (if you have one) 0 0 0 0 0 Push the left side of the switch with the master lighting symbol on it to turn on all the lights listed above as well as the headlights. Push the right side of the switch with the off symbol on it to turn off your lights. Turn the dial at the right of the off switch to adjust instrument panel lights. Turning the dial all the way up until it clicks turns on the interior lights. You can switch your headlights from high to low beam by pulling on the turn signal/high beam lever. A circuit breakerprotects your headlights. If you have an electrical overload, your headlights will flicker on and off. Have your headlight wiring checked right away if this happens. 2-47