GMC W7500 Forward Courtesy Bulb Size
The GMC W7500 Forward courtesy light utilizes unique bulb sizes 1003, 67, 211-2, DE3175, and 1004. Available data for the specified lighting components covers the range from 1984 to 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 |
|---|---|
| 1994-1996 | 1003 (Tiltmaster) |
| 1993 | 67 (Tiltmaster) |
| 1990-1992 | 211-2 |
| 1989 | 211-2 (Medium Duty) |
| 67 (Tiltmaster) | |
| 1988 | 211-2 |
| 67 (Tiltmaster) | |
| 1987 | 211-2 |
| DE3175 | |
| 1986 | 211-2 |
| 1003 (Tiltmaster) | |
| DE3175 (With 4 Round Headlamps) | |
| 1985 | 211-2 |
| DE3175 | |
| 1984 | 211-2 |
| 1004 (Medium Duty) | |
| 67 (Tiltmaster) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. 12V, 21W. | 1003 |
| ANSI standard (US & Canada). Single-filament bulb with BA15s bayonet base. Lower wattage variant of 1156. 12V, 8W. | 67 |
| ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W. | 211-2 |
| ANSI standard (US & Canada). Festoon bulb, 31mm length, end-cap contacts. 12V. | DE3175 |
| ANSI standard (US & Canada). Dual-filament bulb with BAY15d bayonet base. Variant of 1157. 12V, 21/5W. | 1004 |