Front Intermittent Wiper Relay Circuit
Unplug combination switch harness connector located behind lower instrument panel trim panel, near steering column. Turn wiper switch to intermittent (INT) position. Apply 12 volts to combination switch connector Yellow/Blue terminal and connect Black wire terminal to ground. See Fig 1 . Intermittent relay should make an operating sound if working properly. If no sound is heard, replace combination switch assembly as required.