Plymouth Colt License Plate Bulb Size

The Plymouth Colt license plate light requires bulb size 67 or 89 depending on the specific configuration of the lighting assembly. Data for the lighting components covers the range from 1983 to 1986.

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
1984-1986	67
1983	89

Bulb Specifications

Description	Bulb Size
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 8W.	67
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W.	89

Other Locations

Additional Notes

The Plymouth Colt uses two different license plate bulb sizes across its 1983-1986 model years: the 67 and the 89.
The 1984-1986 Plymouth Colt takes the 67 bulb for the license plate position, while the 1983 model takes the 89 bulb.
Both the 67 and 89 are ANSI-standardized bulbs recognized in the US and Canada, and both share the BA15s single-contact bayonet base.
The BA15s base is a single-contact bayonet fitting, which means neither bulb supports dual-filament functions such as combined stop and tail operation.
Both bulbs operate at 12 volts, consistent with standard automotive electrical systems.
The 67 bulb is rated at 8 watts, while the 89 bulb is rated at 13 watts, making the 89 a notably higher-output lamp despite sharing the same base type.
Both the 67 and 89 are described as lower-wattage variants of the 1156 bulb, meaning they share the same BA15s base as the 1156 but draw less power.
Because the 67 and 89 share the same BA15s base, they are physically interchangeable in terms of fitment, though their wattage ratings differ and substitution may affect illumination output.