Isuzu Impulse Parking Brake Indicator Bulb Size
The Isuzu Impulse parking brake indicator utilizes 74 and 158 bulb sizes for the internal illumination components. Data for the specific lighting requirements covers the period from 1983 to 1992.
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 |
|---|---|
| 1988-1992 | 74 |
| 1983-1987 | 158 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 74 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3W. | 158 |