Chevrolet S10 Turn Signal Indicator Bulb Size
The Chevrolet S10 turn signal indicator requires bulb sizes PC74 and PC194 for proper illumination. Available data for the specified components covers the period from 1987 through 2004.
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 |
|---|---|
| 2004 | PC74 |
| 1994-1998 | PC74 |
| 1991-1993 | PC194 (With Digital Inst. Cluster) |
| PC74 (Without Digital Inst. Cluster) | |
| 1987-1990 | PC74 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5) with printed circuit board twist-lock socket, for instrument clusters. 12V, 1.4W. | PC74 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10) with printed circuit board twist-lock socket, for instrument clusters. 12V, 3.78W. | PC194 |