Impala V8-5.3L (2008)
17. Connect the battery cable connector to the I/P harness electrical connector.
18. Connect the I/P harness electrical connector (2) to the battery current sensor.
19. Install the positive battery cable terminal to the battery.
20. Tighten the positive battery cable terminal lead nut.
Tighten the nut to 15 N.m (11 lb ft).
21. Snap closed the positive battery cable terminal lead cover (1).
22. Connect the negative battery cable (3).