Wiper and Washer Activate Individually But Intermittent Wiper and Washer Combination Does Not Operate

Wiper and Washer Activate Individually But Intermittent Wiper and Washer Combination Does Not Operate (Steps 1 - 2):

Wiper and Washer Activate Individually But Intermittent Wiper and Washer Combination Does Not Operate (Steps 3 - 4):