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GMC G1500 G2500 G3500 Bulb Size Guide

1990~1996 GMC G1500 G2500 G3500 Bulb Size Guide

When upgrading the stock halogen / incandescent lamps to led lighting bulbs, the bulb size guide will be much helpful, below are the bulb size guide for 1990~1996 GMC G1500 / G2500 / G3500; yet it is for reference only, it is suggested to check the owner manual to confirm the bulb size guide is correct before purchasing.

​High beam headlight with 4 headlamp: H4701;with 2 headlamp: H6054
Low beam headlight with 4 headlamp: H4703;with 2 headlamp: H6054
Front turn signal light ( blinker light) for 1990~1991 models : 2057A / 2057NA
for 1992~ 1996 models: 3157A / 3157NA ( also as parking light)
Rear turn signal light / Brake Tail light: 2057
Back-up reverse light: 1156
License plate light / Tag light for 1990~1994 models: 67; for 1995~1996 models: 194
Interior Map light​: 906
Interior Dome light: 211-2
Front side marker light: 194
Vanity mirror light: 7065
Courtesy light: 212-2 or 906
Auto trans light: 1893
Check engine light: 194 or PC74
Engine compartment light: 232
High beam indicator light: 161 or PC74
Parking brake indicator light: 194 or PC74
Radio display light: 1893
Seat belt light: 194 or PC160
Turn signal indicator light: 194 or PC74
Auto Trans Indicator light: 1445 or 74


Vehicles includes: 1990, 1991, 1992, 1993, 1994, 1995, 1996 GMC G1500 / G2500 /G3500