AC-3397, or possibly AC-3396 (manual system) that has been upgraded using pump/switch assm 1559268. 

To connect it, remove yellow wire from wiper switch terminal 'D' and connect it to the yellow wire from the pump.

 Connect the yellow wire with black tracer coming from the pump to the 'D' terminal on the wiper switch. 

Remove blue wire from wiper switch 'A' and connect it to the male portion of the pump blue wire (piggy back) and then install that blue wire back on the wiper switch 'A' terminal.
Dwain G.

 

Note///
It's NOT connected to the white wire with the black tracer at the switch which is the power wire...

It's only hooked into the wires from the switch to the motor. 

 The switch at the pedal is normally closed, but open when you depress the pedal.

Pressing the pedal and holding it does give a continuous spray for several seconds.


Operation:
  WIPER SWITCH OFF - Turns ON the wipers for about 5 or 6 swipes, with spray from pump bulb.

  WIPER SWITCH ON -  Turn the wipers OFF and sprays the windshield