Brake Fluid Level Sensor/Switch: Description and Operation

CIRCUIT OPERATION
This switch, which is normally OPEN, closes when the brake fluid level is below a certain level. Power for the switch is provided on circuit G9. This circuit is spliced with the park brake switch, Daytime Running Lamp module (Canada only), and the Controller Anti-Lock Brake CAB).

Ground for the switch is provided on circuit Z1. This circuit terminates at the left front frame rail.