Mack CH Instrument Panel Bulb Size
The Mack CH instrument panel utilizes 57, 161, and 194 bulb sizes for illumination across various internal components. Data for the specific lighting requirements spans the period from 1989 through 1997.
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 |
|---|---|
| 1997 | 161 |
| 1995-1996 | 194 |
| 1993-1994 | 57 |
| 1991-1992 | 194 |
| 1990 | 57 |
| 1989 | 161 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 1W. | 161 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |
| ANSI standard (US & Canada). Single-filament bulb with BA9s base. 12V, 1W. | 57 |