Mack CM Instrument Panel Bulb Size
The Mack CM instrument panel utilizes bulb sizes 57 and 194 for illumination across the various components within the dashboard assembly. Data for the specific lighting requirements covers the range from 1988 through 1991.
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 |
|---|---|
| 1991 | 57 |
| 1990 | 194 |
| 1989 | 57 |
| 1988 | 194 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W. | 57 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |