GMC Typhoon Turn Signal Indicator Bulb Size

The GMC Typhoon turn signal indicator requires bulb size PC74 or PC194 depending on the specific instrument cluster configuration. Data for the bulb sizes covers the range from 1992 to 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
1993PC74 (Without Digital Inst. Cluster)T5+PCBCheck Price
1992PC194 (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 (T5) with printed circuit board twist-lock socket, for instrument clusters. 12V, 1.4W.PC74Check Price
ANSI standard (US & Canada). Miniature wedge bulb (T10) with printed circuit board twist-lock socket, for instrument clusters. 12V, 3.78W.PC194Check Price

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