Brake Warning Indicator: Description and Operation

Circuit Description
The brake warning light goes on to alert the driver that the parking brake is applied or that the brake fluid level is low. It also lights as a bulb test when the engine is cranked.

Bulb Check
With the ignition switch in ON or START, battery voltage is applied to the brake warning light from fuse 10. The generator will provide ground to the circuit until the engine is running. The brake warning light goes into test the brake warning light bulb and then goes off.