Brake Indicator Not Operating Properly

Tests 1 - 2:

Tests 3 - 8:

Tests 9 - 14:

Tests 15 - 17:

SYMPTOM
BRAKE INDICATOR NOT OPERATING PROPERLY

POSSIBLE CAUSES
- Check the parking brake lever
- Brake pressure switch (level switch) open
- Check the brake fluid level
- Monitor the brake warning indicator while cranking engine
- Ground circuit open
- Park brake switch open
- Park brake switch shorted to ground
- Brake pressure switch (level switch) shorted to ground
- Open red brake warning indicator driver circuit
- Red brake warning indicator driver circuit open
- Instrument cluster
- Red brake warning indicator driver circuit shorted to ground
- Instrument cluster
- Instrument cluster