Lincoln Mark IV Parking Brake Indicator Bulb Size

The Lincoln Mark IV parking brake indicator requires a bulb size of 194 for the specific lighting component located within the dashboard assembly. Data for the required bulb covers the range from 1972 through 1975.

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
1972-1975194

Bulb Specifications

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

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