GMC 2000 Sierra - Manual (Page 374)

yellow blue
6-71
Replacement Bulbs*
Low - Beam Headlamps 2 9006
High - Beam Headlamps 2 9005
Daytime Running Lamps (DRL) 2 3157KX
Front Marker Lamp 2 194
Front Parking and Turn Lamp 2 3157NA
Rear Marker Lamp, Taillamp and Stop Lamp 2 3157
Taillamp and Stop Lamp** 2 1157
Rear Turn Lamp 2 3157
Rear Turn Lamp ** 2 1156
Back - up Lamp 2 3157
Back - up Lamp ** 2 1156
Center High - Mounted Stoplamp 2 912
Cargo Lamp 2 912
* For replacement bulbs not listed here, please consult your dealer.
** Chassis Cab Models