Intermittent Operation
The rear wiper motor operates the wiper arms at low speed approximately every 7 seconds. This feature is controlled by the wiper amp.
When the wiper switch is placed in the INT position, ground is supplied
to wiper amp. terminal 4
through rear combination switch terminal 21 and 24
through body grounds E13 and E41.
Then, power is supplied
through rear wiper amp. terminal 11
to rear wiper motor terminal 4.
Ground is supplied
to rear wiper motor terminal 3
through rear wiper amp. terminal 8.
With power and ground supplied, rear wiper operates at low speed intermittent.