GM Service Manual Online
For 1990-2009 cars only

Exterior Lamp

Bulb Number

Back-up Lamp

3047

Back-up Lamp*

1156

Cargo Lamp and Center High-Mounted Stoplamp (CHMSL)

912

Fender Marker Lamp

W5WLL

High-Beam Headlamp

9005

Low-Beam Headlamp

H11

License Plate Lamp

168

Sidemarker Lamp/Stoplamp/Taillamp/Turn Signal Lamp

3047

Stoplamp/Turn Signal Lamp/Taillamp*

1157

* Chassis Cab Models

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