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Home >> Buick >> 1987 >> Regal Base, 3.8 7 >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel - Electronic >> Description & Operation >> Speedometer

Description & Operation: Speedometer

With ignition switch in "RUN", "BULB TEST", or "START" positions, voltage is applied through the "GAGES" fuse to vehicle speed sensor buffer. Vehicle speed sensor input voltage is applied to vehicle speed sensor buffer from a generator mounted in transaxle.