Pontiac Ventura Courtesy Bulb Size
The Pontiac Ventura courtesy light uses bulb sizes 89, 562, and 1816 depending on the specific application. Data for the lighting components covers the period from 1960 through 1977.
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 |
|---|---|
| 1976-1977 | 89 |
| 1975 | 562 |
| 1973-1974 | 89 |
| 1971-1972 | 1816 |
| 1960-1961 | 89 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 13W. | 89 |
| ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W. | 562 |
| ANSI standard (US & Canada). Miniature wedge bulb (T3.25). 12V, 4W. | 1816 |