GMC Typhoon Check Engine Bulb Size

The GMC Typhoon check engine light utilizes bulb sizes PC194 and PC74 for the instrument cluster display. Data for the specific components covers the period from 1992 through 1993.

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

YearsUS TypeEU TypeShop
1992-1993PC194 (With Digital Inst. Cluster)W5W+PCBCheck Price
PC74 (Without Digital Inst. Cluster)T5+PCBCheck Price

Bulb Specifications

Description Type Shop
ANSI standard (US & Canada). Miniature wedge bulb (T10) with printed circuit board twist-lock socket, for instrument clusters. 12V, 3.78W.PC194Check Price
ANSI standard (US & Canada). Miniature wedge bulb (T5) with printed circuit board twist-lock socket, for instrument clusters. 12V, 1.4W.PC74Check Price

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