Circuit Operation
With the IGNITION SWITCH in either "ON" or "START," voltage is applied through the IG-COIL METER Fuse to the "BRAKE" Indicator in the INSTRUMENT PANEL CLUSTER ASSEMBLY. The "BRAKE" Indicator is provided a ground and will light whenever one or more of the following conditions are met:^ The Parking Brake is engaged.
^ The BRAKE FLUID LEVEL SWITCH senses a low brake fluid condition.
^ The SHUTTLE SWITCH senses unequal pressure in the brake pipes and hoses.
^ The ELECTRONIC BRAKE CONTROL MODULE (EBCM) senses a malfunction in the Antilock Brake System.
^ The "BRAKE" Indicator will also light when the IGNITION SWITCH is turned to the BULB TEST position.