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Home >> Lincoln >> 2012 >> MKZ Hybrid >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Wiper/Washer Systems >> Wiper System & Washer System >> Diagnosis And Testing >> Wipers and Washers >> Principles of Operation >> Wiper Activated Headlamps (If Equipped with Autolamp System)

Wiper Activated Headlamps (If Equipped with Autolamp System)

The SJB sends a voltage signal to the wiper/washer module in order to monitor the status of the wipers. When the wipers are turned on, the wiper/washer module will pull the voltage down. Once the SJB detects a drop in voltage it will turn on the headlamps after 3 seconds. When the SJB detects the voltage raising, it will determine that the wipers have been turned off and the SJB will turn off the headlamps after 30 seconds.