Jeep J-100 Turn Signal Bulb Size

The Jeep J-100 front turn signal bulb accommodates 3 different sizes including 198, 1156, and 1034, while the rear turn signal bulb size options consist of 198, 199, and 1156. A replacement chart documents bulb specifications across the 1965 to 1973 production range.

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
1973198
1969-19721156
1965-19681034

Rear Turn Signal

YearsBulb Size
1973198
1972199
1969-19711156
1965-19681034

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W.198
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. Variant of 1157. 12V, 21/5W.1034
ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Variant of 1156. 12V, 21W.199

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