GMC K2500 Suburban Check Engine Bulb Size
The GMC K2500 Suburban check engine light requires bulb size 74 or 194 depending on the specific version of the vehicle. Available information covers the period from 1992 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 | 194 (With Halogen Capsule Headlamps) |
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 |