Dodge Charger Map Light Bulb Size

The Dodge Charger map light utilizes bulb sizes 12961, 578, 562, 1895, and 90 depending on the specific production period. Available data covers a range from 1966 through 2023.

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
2023	12961
2006-2020	578
1972-1978	562
1971	1895
1966-1970	90

Bulb Specifications

Description	Bulb Size
Philips part number. Miniature wedge bulb (T10) with W2.1x9.5d base. 12V, 5W.	12961
ANSI standard (US & Canada). Festoon bulb, 41mm length, end-cap contacts. 12V, 12W.	578
ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W.	562
ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 0.9W.	1895
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 13W.	90

Other Locations

Additional Notes

The 578 festoon bulb is the most widely used map light bulb across the Dodge Charger specifications, covering the 2006-2020 model years. It operates at 12V and 12W and uses end-cap contacts at both ends of its 41mm body.
Festoon bulbs make contact through metal caps at each end rather than through a base socket, which means the bulb is held in place by spring-loaded clips in the housing rather than a twist or push-fit mechanism.
The 562 festoon bulb, used on the 1972-1978 Charger, shares the same 12V and 12W electrical rating as the 578 but has a 44mm body length. The 3mm difference in length makes the two festoon types non-interchangeable despite their otherwise identical electrical characteristics.
The 2023 Dodge Charger uses the 12961, a T10 miniature wedge bulb with a W2.1x9.5d base, operating at 12V and 5W. This is a Philips part number designation rather than an ANSI standard number.
The T10 wedge base of the 12961 is physically incompatible with the end-cap festoon housings used in earlier Charger model years, so the 12961 cannot serve as a substitute for the 578 or 562 in those applications.
The 1971 Charger uses the 1895, a T5 miniature wedge bulb rated at 12V and 0.9W. At 0.9W, it draws considerably less power than any other map light bulb listed across the Charger specifications.
The 1966-1970 Charger uses the bulb 90, a single-filament type with a BA15s bayonet base. The BA15s base uses a single locating pin on the side of the bulb to secure it in the socket, distinguishing it from the wedge and festoon types used in other Charger model years.
The bulb 90 is rated at 12V and 13W, making it the highest-wattage map light bulb in the Charger specifications. Its BA15s bayonet base is physically distinct from both festoon end-cap and wedge-type bases, so it is not interchangeable with any other bulb type listed.
Three separate base types appear across the full range of Charger map light specifications: the BA15s bayonet base, the wedge base, and the festoon end-cap. Each requires a different housing design, and no bulb from one base category is a drop-in fit for a housing designed for another.
Among the ANSI-designated bulbs in the specifications, the 578, 562, 1895, and 90 all share a 12V operating voltage, though their wattage ratings range from 0.9W to 13W depending on the application.