Ford E-250 Automatic Transmission Indicator Bulb Size

The Ford E-250 automatic transmission indicator bulb uses 3 distinct sizes: 194, 37, and 1445. The replacement chart covers vehicle production spanning 1975 to 2002.

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
1992-2002194
1988-199137
1986-19871445
1985161
1975-19801445

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.194
ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1W.37
ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W.1445
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 1W.161

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