15 posts · Joined 2010. #6 · Jan 1, 2011. The module under the driver's seat controls the 4wd system. The controller for the air suspension system is located there too (on vehicles with air suspension). This is an older thread, you may not receive a response, and could be reviving an old thread. Overview of where the battery is located on a 2016-2019 Jeep Grand Cherokee. There can be one or two batteries depending on the model. Some Jeep Grand Cherok Hello everyone. I'm new to this forum. I recently have been having trouble with my 2017 jeep grand cherokee limited 4x4. It started with erratic battery voltage indicated on my dash. Sometime it would read 14v, 13.6, and now 12.7. And now my ESS won't work and it gave me the warning to "stop safely, engine will turn off soon". Here's my attempt at a diagram that illustrates the battery connections for the 3.6L ESS dual batteries. Hopefully this will help make sense of why things work the way they do. I tried to show that when you pull the battery terminals off of the battery, there is still an electrical connection between the cables attached to the battery terminal. Positive Terminal Location: Top Right FrontNegative Terminal Location: Top Left FrontTerminal Type: SAE - Type AHeight: 7.5in 2018 Jeep Grand Cherokee Battery Size The battery in the WK2 2011-2017 Jeep Grand Cherokee is located under the passenger seat. Here is a detailed video on how to replace your battery: From what I understand, the main battery and Power Distribution Center (PDC): the intelligent fuse box switch places in the diesel JL as opposed to say the 3.6L JL. I mean it would make sense if the Aux battery stays in the same place on the Eco Diesel model, and just the main battery and PDC switch places. Do you need to Replace the battery on your Jeep Cherokee 2014 to 2019 but don't know where to start? This video tutorial shows you step-by-step how to do it! znGk.