The path for the "park" circuit is; Batt (from wiper fuse) to pin 2 (red)of WM(wiper motor) thru the Park switch(inside the motor) to pin 4(gra) to On/off relay(K1) pin 87a contact to K1 pin 30 to H/L relay(K2) pin 30 contact to pin 87a (gra) to WM pin1 (gra).... Login to read more.