Dodge Seneca License Plate Bulb Size

The Dodge Seneca license plate light requires a bulb size of 67 for proper installation and function. Available data for the specified lighting component covers the range from 1960 to 1961.

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
1960-1961	67

Bulb Specifications

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

Other Locations

Additional Notes

The bulb type 67 is an ANSI-standardized single-filament bulb rated at 12 volts and 8 watts, fitted with a BA15s bayonet base.
The BA15s base designation indicates a single-contact bayonet mount with a 15mm base width, which is a common base type in automotive lighting applications.
The Dodge Seneca uses the 67 bulb for the license plate position across its 1960-1961 model years.
The 67 bulb is a lower-wattage variant of the 1156 bulb. While both share the BA15s bayonet base, the 1156 operates at a higher wattage, making the two types non-interchangeable in applications where wattage tolerance is a factor.
The single-filament construction of the 67 bulb means it serves only one lighting function, as opposed to dual-filament bulbs that can serve two functions within a single housing.