GMC C3500HD Courtesy Bulb Size
The GMC C3500HD courtesy light utilizes bulb sizes 561, 168, 211-2, and 194 depending on the specific production period for the vehicle. Available data covers the range from 1991 through 2002.
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 |
|---|---|
| 2002 | 561 |
| 2001 | 168 |
| 2000 | 211-2 |
| 1999 | 561 |
| 1998 | 211-2 |
| 1994-1997 | 168 |
| 1993 | 194 |
| 1992 | 168 (Medium Duty) |
| 1991 | 211-2 (Medium Duty) |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Festoon bulb, 44mm length, end-cap contacts. 12V, 12W. | 561 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |
| ANSI standard (US & Canada). Festoon bulb, 41mm length, SV8.5 base. 12V, 12W. | 211-2 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 |