Ford Country Squire Trunk Bulb Size
The Ford Country Squire trunk bulb uses 3 distinct sizes: 906, 89, and 631, with each bulb size corresponding to specific vehicle production years. A replacement chart documents the trunk bulb specifications across the 1953 to 1990 model range.
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 |
|---|---|
| 1988-1990 | 906 |
| 1987 | 89 |
| 1972-1974 | 89 |
| 1968-1971 | 631 |
| 1967 | 93 |
| 1963-1966 | 1156 |
| 1962 | 631 |
| 1956-1957 | 89 |
| 1953-1955 | 81 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 8W. | 906 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 89 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 21W. | 631 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 93 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1156 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 8W. | 81 |