GMC W5500 Forward Seat Belt Warning Bulb Size
The GMC W5500 Forward seat belt warning light utilizes bulb sizes 158 and PC74 for the specified interior illumination components. Data for the listed vehicle spans from 1988 through 1996.
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 |
|---|---|
| 1995-1996 | 158 (Tiltmaster) |
| 1994 | PC74 (Tiltmaster) |
| 1993 | 158 (Tiltmaster) |
| 1992 | PC74 (Tiltmaster) |
| 1988-1991 | 158 (Tiltmaster) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3W. | 158 |
| ANSI standard (US & Canada). Miniature wedge bulb (T5) with printed circuit board twist-lock socket, for instrument clusters. 12V, 1.4W. | PC74 |