Front Wiper On Relay Short To Batt
WARNING: This page is about a different car, the 2002 Dodge Grand Caravan, 2002 Dodge Caravan, 2002 Chrysler Voyager, and 2002 Chrysler Town & Country. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
After making any repairs, perform BODY VERIFICATION TEST under VERIFICATION TESTS.
- Turn ignition off. Remove wiper on/off relay from Intelligent Power Module (IPM). See Figure. Locate and disconnect Front Control Module (FCM). See FRONT CONTROL MODULE under REMOVAL & INSTALLATION. Turn ignition on. Using DVOM, measure voltage between ground and wiper on/off relay cavity terminal No. 85 in IPM. If voltage is one volt or less, go to next step. If voltage is greater than one volt, repair short to voltage in circuit between wiper on/off relay and FCM connector terminal No. 34. See Figure.
- Install a known-good wiper on/off relay. Turn ignition on. Turn wipers on. If wipers do not operate properly, replace FCM. If wipers operate properly, replace wiper on/off relay.