GM Service Manual Online
For 1990-2009 cars only

Exterior Lamps

Bulb Number

Back-Up Lamps

921

Center High-Mounted Stoplamp (CHMSL)

912

Front Parking/Turn Signal Lamps

3157KX

Halogen Headlamps, High/Low-Beam

9007 LL

License Plate Lamp and Sidemarker

194

Stoplamp, Taillamp and Turn Signal Lamps

3057KX

For replacement bulbs not listed here, contact your dealer/retailer.