1999 GP from that site listed below:

1999 PONTIAC Grand Prix

High & low beam headlamp
9007
9007SU Silverstar ULTRA for Ultra Night Vision - The Whitest and Brightest Halogen
9007ST Silverstar High Performance Lighting: The Whiter and Brighter Halogen
9007XV XtraVision Halogen - The Brighter Light
9007CB Cool Blue Halogen - The Whiter Light

Parking light
3357A
3357AST Silverstar Signal Lighting: Complete the Look: Crisp, Clean, Style
3357ALL Long Life Upgrade: Up to twice the life of the standard lamp

Front turn signal
3357A
3357AST Silverstar Signal Lighting: Complete the Look: Crisp, Clean, Style
3357ALL Long Life Upgrade: Up to twice the life of the standard lamp

Rear turn signal
3057
3057LL Long Life Upgrade: Up to twice the life of the standard lamp

Tail light
3057
3057LL Long Life Upgrade: Up to twice the life of the standard lamp

Stop light
3057
3057LL Long Life Upgrade: Up to twice the life of the standard lamp

High mount stop light
1141
1141LL Long Life Upgrade: Up to twice the life of the standard lamp

Fog/Driving light
880
880ST Silverstar High Performance Lighting: The Whiter and Brighter Halogen

License plate
194
194LL Long Life Upgrade: Up to twice the life of the standard lamp

Back up light
3156
3156LL Long Life Upgrade: Up to twice the life of the standard lamp

Front sidemarker
194
194LL Long Life Upgrade: Up to twice the life of the standard lamp

Rear sidemarker
194
194LL Long Life Upgrade: Up to twice the life of the standard lamp

Ash tray
194
194LL Long Life Upgrade: Up to twice the life of the standard lamp

Glove box
194
194LL Long Life Upgrade: Up to twice the life of the standard lamp

Map light
168
168LL Long Life Upgrade: Up to twice the life of the standard lamp
212-2

Step/Courtesy light
168
168LL Long Life Upgrade: Up to twice the life of the standard lamp
194
194LL Long Life Upgrade: Up to twice the life of the standard lamp
74

Trunk/Cargo area
920

Under hood light
561

Instrument-general
194
194LL Long Life Upgrade: Up to twice the life of the standard lamp
37
PC195
PC74

Hi-beam indicator
PC195

Automatic transmission indicator
194
194LL Long Life Upgrade: Up to twice the life of the standard lamp
37

Directional signal indicator
PC74