RAM 2500 Truck 2WD V10-8.0L VIN W MDC (1999)
Brake Warning Indicator: Description and Operation
Brake Warning Lamp Description
The red brake warning lamp is used to alert the driver of a hydraulic fault or that the parking brake is applied. For the RWAL system, the red brake
warning lamp also is used to alerts the driver of a problem with the RWAL, system.
The brake warning lamp illuminates when a message is sent over the bus to the cluster to illuminate the bulb. A ground for the bulb is provided when:
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The brakes are applied and the park brake switch is actuated.
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A hydraulic fault has occurred and the pressure differential switch is actuated.
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A RWAL fault has occurred.
