Ford C7000 Turn Signal Bulb Size

The Ford C7000 front turn signal requires 1156 or 1157 bulb sizes, while rear turn signal applications use 1157, 1156, or 199 bulb sizes. The replacement chart covers 1971 through 1986 production years with corresponding bulb size specifications.

The year-by-year compatibility chart below provides a quick reference to verify the correct bulb size for your vehicle.

Front Turn Signal

YearsBulb Size
1984-19861156
1982-19831157
1980-19811156
19711156

Rear Turn Signal

YearsBulb Size
1981-19861157
19801156
1971199

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W.1156
ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. 12V, 21W/5W.1157
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 21W.199

Other Locations

Additional Notes