GMC W6500 Forward Turn Signal Indicator Bulb Size
The GMC W6500 Forward turn signal indicator utilizes bulb sizes 73, 158, 168, and PC194 across the various configurations provided in the available technical data. Information for the specified components covers the period from 1987 through 1996 without any additional details or specifications.
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 |
|---|---|
| 1996 | 158 (Tiltmaster) |
| 1993-1995 | PC194 (Tiltmaster) |
| 1992 | 158 (Tiltmaster) |
| 1989-1991 | 73 (Tiltmaster) |
| 1988 | 158 (Tiltmaster) |
| 168 (With 2 Round Headlamps) | |
| 1987 | 158 |
| 168 (With 2 Round Headlamps) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3W. | 158 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10) with printed circuit board twist-lock socket, for instrument clusters. 12V, 3.78W. | PC194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 73 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |