The 1994 Chevrolet S10 has different headlight configurations. See related link below for variations. If sealed beam bulbs; H4666. If halogen; 9006 low-beam & 9005 high-beam.
Low Beam Headlight Bulb Size: 9006High Beam Headlamp Light Bulb Size: 9005
you don't need a bulb
9006 low-beam; 9005 high-beam. See sources and related links below.
whats size bulb for 2002 cadillac deville headlight
9007 for your headlight
According to the owner's manual - headlight bulb # 9007
H13 for the Headlight and H11 for foglight.
H007
9004
A 1997 Mercury Sable takes the ( # 9007 headlight bulb )
the parts store will know what headlight bulb number you need and the size when you tell them the make and year of your vehicle.
H7