Mercury Montego Automatic Transmission Indicator Bulb Size
The Mercury Montego automatic transmission indicator requires bulb sizes 37, 1445, 1893, and 158 depending on the specific application. Data for the listed components covers the span from 1968 through 1976.
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 |
|---|---|
| 1976 | 37 |
| 1975 | 1445 |
| 1974 | 37 |
| 1973 | 1445 |
| 1972 | 1893 |
| 1969-1971 | 1445 |
| 1968 | 158 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1W. | 37 |
| 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 (T10). 12V, 3W. | 158 |