FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Wiper Not Working In the High Speed

Test 1 - 3:




Test 4 - 8:




Test 9 - 10:






SYMPTOM
WIPER NOT WORKING IN THE HIGH SPEED

POSSIBLE CAUSES
- Wiper high/low relay
- Multi-function switch high switch open
- Wiper high/low relay control circuit shorted to voltage
- Wiper high/low relay control circuit open
- Fused B(+) circuit open
- High speed output circuit open
- High speed output shorted to ground
- BCM
- Wiper motor - high speed relay