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Home >> Oldsmobile >> 1998 >> Aurora V8-4.0L VIN C >> Repair and Diagnosis >> Instrument Panel, Gauges and Warning Indicators >> Testing and Inspection >> Component Tests and General Diagnostics >> Circuit Operation - Gauges and Warning Indicators >> Volts Indicator

Volts Indicator

The instrument cluster receives charging data from the Powertrain Control Module (PCM) over the UART serial data line. The instrument cluster converts the serial data and when commanded illuminates the VOLTS indicator.
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