A protective cover, which is placed over the Battery terminals, to protect the terminals from dirt and debris. A sensor used on the negative Battery terminal to measure the Battery's current to regulate a vehicles alternator output. Battery Cable. From 02/04/2013. From 05/30/2016. From 06/10/2013. Negative. To 02/04/2013. To 05/30/2016. To 06/10/2013. Current Sensor. Terminal Cover. Terminal Protector. CONTOUR. Unit. Control Module. Controller. Monitor. Negative Cable.