Brake Lamp Switch

Tests 1 Through 3:

Tests 4 Through 7:

Symptom:
BRAKE LAMP SWITCH CIRCUIT

POSSIBLE CAUSES
BRAKE LAMP SWITCH CONNECTOR OBSERVABLY DEFECTIVE
CAB CONNECTOR OBSERVABLE DEFECT
BRAKE LAMP SWITCH DEFECTIVE
BRAKE LAMP SWITCH OUTPUT CIRCUIT OPEN
BRAKE LAMP SWITCH OUTPUT CIRCUIT SHORT TO VOLTAGE
CAB DEFECTIVE