GM Service Manual Online
For 1990-2009 cars only

Exterior Lamp

Bulb Number

Front

Low Beam Headlamps

9006

High Beam Headlamps

9005

Front Turn Signals

3157

Rear

Trunk Mounted Back-Up Lamps

3057

Trunk Mounted Taillamps

194

Tail/Stop/Turn Signal Lamps

3357

For any bulb not listed here contact your dealer.