FYI: Sylvania / OSRAM designations for replacement light bulbs: 1989 - 1995 pre-Tacoma pickups. 1989 - 1995 TOYOTA Pickup (Pre-Tacoma) High & low beam headlamp H6054 Parking light 168 194 Front turn signal 1156 Rear turn signal 1156 Tail light 1157 Stop light (brake light) 1157 High mount stop light (3rd brake light - later years of this generation) 921 License plate 168 194 Back up light 1156 Front sidemarker 168 194 Glove box 74 161 Step/Courtesy light DE3021 DE3022 DE3175 Instrument-general 194 SOURCE: http://www.sylvania.com/ConsumerProducts/AutomotiveLighting/LampReplacementGuide