Secondary Battery - Dual Battery Vehicles Only: Notes
WARNING: This page is about a different car, the 2015 Jaguar XF, 2014 Jaguar XF, and 2013 Jaguar XF. However, it is still accessible from the selected car via links, so may be relevant.
The secondary battery is located in a tray on the next of the primary battery and is secured to the DBJB with a bracket. The battery negative (-) terminal is connected via a cable to the vehicle body. The positive (+) terminal is connected by a cable to the DBJB. The battery is vented via a tube which is connected with a T piece to the vent from the primary battery and passes through a grommet in the floorpan.
The state of charge of the secondary battery is monitored by the Gateway Module (GWM).