Cutlass Ciera Cruiser V6-3300 3.3L MFI VIN N (1993)
Brake Warning System: Description and Operation
CIRCUIT OPERATION
Battery voltage is applied to the BRAKE Indicator when the Ignition Switch is in RUN, BULB TEST, or START. Three switches are connected to
the BRAKE Indicator. When any one of these switches closes, ground is provided and the indicator lights.
The Ignition Switch provides a ground when it is in the BULB TEST and START positions.
The Park Brake Switch provides a ground when the Park Brake is applied.
The Brake Fluid Level Switch provides a ground when there is a low brake fluid level in the master cylinder.
If the vehicle is equipped with Daytime Running Lights (DRL), the Park Brake Switch also grounds the DRL Module.
