For 1990-2009 cars

The BRAKE indicator will light during any one of the following conditions:

• | The ignition switch is in the START position.

• | The parking brake is applied.

• | The brake fluid level is low.

Battery voltage is supplied through the ignition switch in the ON or the START positions, through IG fuse to the instrument cluster. When the ignition switch is in the START position, a path to ground is provided to the BRAKE indicator in the instrument cluster through the ignition switch to G200. With power and ground provided, the indicator lights. When the parking brake is applied, a path to ground is provided to the daytime running lamps (DRL) control module. The DRL control module will provide a path to ground to the BRAKE indicator. With power and ground provided, the indicator lights. If the brake fluid level becomes low, the brake fluid level switch in the master cylinder closes providing a path to ground to the BRAKE indicator. With power and ground provided, the indicator lights. The BRAKE indicator will stay on until all of the above conditions are not present.