RAM 2500 Truck 2WD L6-359 5.9L DSL Turbo VIN D FI (1997)
Brake Fluid Pressure Sensor/Switch: Description and Operation
CIRCUIT OPERATION
Circuit G9 provides an input to the Controller Anti Lock Brake (CAB). The CAB receives the input when either the ignition switch is in the
START position, or the park brake warning lamp switch in the hydraulic combination valve CLOSES.