GMC C1500 Suburban High Beam Indicator Bulb Size
The GMC C1500 Suburban high beam indicator requires bulb sizes 74, 161, or 168 depending on the specific vehicle configuration and internal component requirements. Available data for the specified lighting components covers the period from 1980 through 1999.
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 |
|---|---|
| 1993-1999 | 74 |
| 1992 | 161 |
| 1980-1986 | 168 |
Bulb Specifications
| Description | Bulb Size |
|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T5). 12V, 1.4W. | 74 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 1W. | 161 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |