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Home >> Chevrolet >> 2006 >> Impala LTZ >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.9L - DTC P0442 To DTC P2A01 >> DTC P0660 >> Circuit/System Description >> Ground Circuit
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Ground Circuit

Ground circuit is supplied directly to the IMT valve assembly. This circuit provides ground for the micro-processor and the motor.

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