Pontiac Grand Prix Automatic Transmission Indicator Bulb Size

The Pontiac Grand Prix automatic transmission indicator utilizes unique bulb sizes 73, 37, PC195, 194, 1445, 1893, 1895, and 257 for various interior lighting applications. Available data for the specified vehicle components covers a range from 1962 through 2003.

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
2000-200373
1998-199937
1995-199673
1994PC195
199373
1989194
1981-1987194
19801445
1978-1979194
19721445
19711893
19701445
19691893
1965-19681445
19641895
1962-1963257

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W.73
ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1W.37
ANSI standard (US & Canada). Miniature wedge bulb (T10) with printed circuit board twist-lock socket, for instrument clusters. 12V.PC195
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.194
ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 2W.1445
ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 2W.1893
ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 0.9W.1895
ANSI standard (US & Canada). Festoon or BA9s base instrument bulb. 12V, 2W.257

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