GM Service Manual Online
For 1990-2009 cars only

Exterior Lamp

Bulb Number

Back-up Lamp

3156K

Daytime Running Lamp (DRL)

4114K LCP

Front Turn Signal and Parking Lamp

4157K or 3157KX

Low-Beam and High-Beam Headlamps

9007

Taillamp and Stoplamp

3057K

Rear Taillamp in Bumper

3057K

Rear Turn Signal Lamp

3156K

Roof Marker Lamp Center

168

Roof Marker Lamp Corner

194

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