Pontiac Grand Am Radio Display Bulb Size
The Pontiac Grand Am radio display utilizes bulb sizes 168, 194, 37, and 1893 for the internal illumination components. Data for the specific lighting requirements covers the period from 1973 through 1990.
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
| Years | Bulb Size |
|---|---|
| 1988-1990 | 168 |
| 1987 | 168 (With Sealed Beam Headlamps) |
| 1985-1986 | 168 |
| 1979-1980 | 194 |
| 1978 | 37 |
| 1975 | 1893 |
| 1973 | 1893 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |
| 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). Miniature wedge bulb (T5). 12V, 2W. | 1893 |