Brake Lamp Switch

Tests 1 Through 3:

Tests 4 Through 8:

Tests 9 Through 11:

Symptom:
*BRAKE LAMP SWITCH

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