GMC General Instrument Panel Bulb Size
The GMC General instrument panel requires bulb sizes 158 and 194 for proper illumination of the dashboard gauges and indicators. Data for the specified components covers the range from 1984 to 1988.
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
If US Type and EU Type show the same value, a direct cross-reference for this bulb is not available or the data is insufficient.
| Years | US Type | EU Type | Shop |
|---|---|---|---|
| 1988 | 158 (Tiltmaster) | 158 | Check Price |
| 1985-1987 | 194 (Tiltmaster) | W5W | Check Price |
| 1984 | 158 (Tiltmaster) | 158 | Check Price |
Bulb Specifications
| Description | Type | Shop |
|---|---|---|
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3W. | 158 | Check Price |
| ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W. | 194 | Check Price |
| ECE standard (Europe & worldwide). Single-filament signalling bulb with W2.1x9.5d wedge base. 12V, 5W. | W5W | Check Price |