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Home >> GMC >> 2007 >> Acadia SLE, AWD >> Repair and Diagnosis >> Electrical >> Starter >> Battery, Charging System And Starting System >> Description and Operation >> Charging System Description and Operation >> Charging System Components >> Battery Current Sensor
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Battery Current Sensor

The battery current sensor is a serviceable component that is connected to the negative battery cable at the battery. The battery current sensor is a 3-wire hall effect current sensor. The battery current sensor monitors the battery current. It directly inputs to the BCM. It creates a 5-volt pulse width modulation (PWM) signal of 128 Hz with a duty cycle of 0-100 percent. Normal duty cycle is between 5-95 percent. Between 0-5 percent and 95-100 percent are for diagnostic purposes.