Pontiac Grand Am Automatic Transmission Indicator Bulb Size
The Pontiac Grand Am automatic transmission indicator utilizes bulb sizes 194, 161, 37, and 74 depending on the specific version of the component. Available data covers the range from 1978 through 2005 for the specified vehicle and lighting equipment.
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
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 1999-2005 | 194 | W5W | Check Price |
| 1992-1993 | 161 | 161 | Check Price |
| 1990 | 37 | 37 | Check Price |
| 1989 | 74 (With Sealed Beam Headlamps) | W1.2W | Check Price |
| 1986 | 194 | W5W | Check Price |
| 1978-1980 | 194 | W5W | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 | Check Price |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with W2.1x9.5d wedge base. 12V, 5W. | W5W | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 1W. | 161 | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1W. | 37 | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 74 | Check Price |
| ECE standard (Europe & worldwide). Miniature wedge bulb (T5) with W2x4.6d base. 12V, 1.2W. | W1.2W | Check Price |