Low Operation
WARNING: This page is about a different car, the 2004 Saturn Ion Red Line, 2004 Saturn Ion 3, 2004 Saturn Ion 2, and 2004 Saturn Ion 1. However, it is still accessible from the selected car via links, so may be relevant.
In the Low position, voltage is supplied through a internal 562 Ω resistor to the signal circuit of the windshield wiper/washer switch for the BCM. The BCM will energizes the Wiper 1 relay which will operate the windshield wiper motor at low speed.