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Instrument Cluster
The instrument cluster is a single unit of all-electronic gauges and warning lights, which receive both analog inputs from such components
as the battery and air pressure sensors; and digital signals from components such as the headlights and turn signal control modules. A
centrally-located Message Display Center displays the odometer reading, error alerts, and service technician diagnostic information. If
the bus is equipped with hydraulic brakes, the instrument cluster contains 5 gauges. Busses equipped with air brakes have two additional
gauges indicating primary (front) and secondary (rear) air pressure.
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