Front Wipers Not Working In Low Speed Mode

Tests 1 - 3:

Test 4:

SYMPTOM
FRONT WIPERS NOT WORKING IN LOW SPEED MODE

POSSIBLE CAUSES
- HI/LO wiper relay control circuit shorted to ground
- Defective HI/LO wiper relay - fused ignition switch
- Open HI/LO wiper relay LO speed output circuit
- Defective wiper motor/LO speed output circuit