GM Service Manual Online
For 1990-2009 cars only

Exterior Lamp

Bulb Number

Back-up Lamp, Rear Turn Signal, Stoplamp and Taillamp

3157K

Daytime Running Lamp (DRL)

4114K

Front Turn Signal Lamps

3157AK

High-Beam Headlamp

9005 or 9005 LL

Sidemarker Lamp

194

For replacement bulbs not listed here, contact your dealer.