GM Service Manual Online
For 1990-2009 cars only

Exterior Lamp

Bulb Number

Back-Up Lamps

94535571

Center High-Mounted Stoplamp (CHMSL)

94535587

Sidemarker Lamp

94535587

Stoplamp/Taillamp

94535574

Rear Turn Signal Lamps

94535572

For replacement bulbs not listed here, contact your dealer.