GMC K1500 Turn Signal Indicator Bulb Size
The GMC K1500 turn signal indicator utilizes bulb sizes 74, 194, and 168 depending on the specific version of the vehicle. Available data for the components covers the range from 1985 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 |
|---|---|
| 1999 | 74 |
| 1993-1997 | 74 |
| 1988-1991 | 194 |
| 1985-1986 | 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, 3.78W. | 194 |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 4.9W. | 168 |