American Motors Ambassador Engine Compartment Light Bulb Size

The American Motors Ambassador engine compartment light utilizes bulb sizes 89 and 1004 for various applications across the vehicle. Available data for the specified components covers the range from 1962 to 1970.

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

YearsBulb Size
1968-197089
1964-19671004
1962-196389

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W.89
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W.1004

Other Locations