Durango 4WD V8-5.9L VIN Z (1998)
Brake Warning Indicator: Description and Operation
Brake Warning Lamp Circuit Operation
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 ignition voltage is supplied to the bulb and a ground is provided for the bulb. The bulb has ignition voltage
supplied to it any time the ignition switch is in the RUN or START positions. A ground for the bulb is provided when:
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The ignition switch is turned to the START position.
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The parking 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.
