Lighting and Horns: Application and ID

BULB BULB NUMBER

Exterior Lamps
Back-up Lamps 3057
Center High-Mounted Stoplamp (CHMSL) 577
Fog Lamps (Oldsmobile) H1-55W
Fog Lamps (Pontiac) 893
Front Parking/Turn Signal Lamps (Oldsmobile) 3057
Front Parking/Turn Signal Lamps (Chevrolet/Pontiac) 3057NA
License Plate Lamp 194
Halogen Headlamps
Outer 9006
Inner 9005
Side Marker Lamps 194NA
Rear Tail/Turn Signal Lamps (Upper Two Positions) 194
Rear Tail Stop Lamps (Lower Two Positions) 2057
Underhood Lamp 561

Interior Lamps
Cargo Lamps 562
Courtesy Lamp (Stepwell) 562
Courtesy Lamp (I/P Sound Insulator Panels) 194
Dome Lamps 561
Reading Lamps (Front) 561
Reading Lamps (Rear) 906
I/P Compartment Lamp 194
Indicator Lamps (I/P) 74
Turn Signal Indicator Lamps (I/P) 74