Mercury Monarch Parking Brake Indicator Bulb Size

The Mercury Monarch parking brake indicator requires a 194 bulb size for proper illumination within the instrument cluster assembly. Available data for the specified component covers the production range from 1975 to 1980.

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

YearsBulb Size
1975-1980194

Bulb Specifications

Description Bulb Size
ANSI standard (US & Canada). Miniature wedge bulb (T10). 12V, 3.78W.194

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