Pontiac 6000 Map Light Bulb Size

The Pontiac 6000 Map Light requires bulb size 1004 or 211-2 depending on the specific version of the vehicle. Data for the provided bulb sizes covers the range from 1982 to 1991.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Bulb Size by Year Range

Years	Bulb Size
1990-1991	1004
1983-1984	1004
1982	211-2

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W.	1004
ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W.	211-2

Other Locations

Additional Notes

The Pontiac 6000 map light uses two distinct bulb types across its model years: the 1004 and the 211-2.
The 1004 is an ANSI-standard bulb used in the North American market, operating at 12V with a dual-filament design rated at 21/5W and fitted with a BAY15d bayonet base.
The BAY15d base is an offset twin-contact bayonet mount, which physically prevents incorrect single-filament bulb substitution due to its asymmetric pin placement.
The 1004 is a variant of the 1157 bulb family, meaning it shares the same base type and general construction while differing in specific electrical output.
The 1004 bulb fits the Pontiac 6000 for the 1983-1984 and 1990-1991 model years.
The 211-2 is an ANSI-standard festoon bulb, also for the North American market, operating at 12V and rated at 12W with an SV8.5 base and a 41mm length.
Festoon bulbs make contact at both ends of the lamp rather than through a base socket, which is a fundamentally different mounting method from the bayonet base used by the 1004.
The 211-2 fitment applies to the Pontiac 6000 for the 1982 model year.
Because the 1004 uses a bayonet base and the 211-2 uses a festoon mount, the two bulb types are not interchangeable with each other.
The wattage difference between the 1004 (21/5W dual-filament) and the 211-2 (12W single output) reflects their distinct circuit roles, and substituting one for the other risks improper function or socket incompatibility.