Wipers Start Erratically In Delay Mode
1. Verify that the ground connection at the instrument panel is making good connection, free from paint and is tight.2. Verify that the motor ground strap is making good contact and that the motor mounting bolts are tight.
3. Verify that the wiring ground connections for the intermittent wipe control unit and the wiper switch are tight.
4. If condition is not corrected, replace control unit.