GMC 2004 Savana - Manual (Page 301)

Center High Mounted
Stoplamp (CHMSL)
It is recommended that this component be replaced as
a unit by your dealer.
Replacement Bulbs
Exterior Lamp Bulb Number
Back-up Lamp 3157
CHMSL 912
Composite High-Beam
Headlamps
9005
Composite Low-Beam
Headlamps
9006GS
Front Parking and Turn Lamp 3157KX
Front Sidemarker Lamp 194
Sealed Beam Headlamps H6054
Rear Parking, Stop, and
Turn Lamp
3157
For any bulb not listed here, contact your dealer.
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