Cleaning and Fixing the Corroded Battery: It is recommended to remove the pole cables if you are willing to clean the battery of the Jeep Grand Cherokee. STEP 1: First, remove the black cable from the negative pole. You can open the pole clamp using pliers. If your 2016 Jeep Grand Cherokee uses a battery to power the sensor, be sure that it is not dead. It is a good idea to replace the battery every five years. Sometimes this requires replacing the entire sensor unit since the battery is built-in. There is a lengthy thread over on the JL Wrangler forums on this. Basically you disconnect the ground for the aux battery and put a jumper on the fuse box N1 to N2. This removes the aux battery from the circuit but still powers everything it does from the main battery through the jumper. I made a heavy gauged and fused jumper and keep in my my 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 Cherokee will have second Driver Information Display/Cluster Electronics Won't Shut Off. Short summary: got my 2016 Jeep Grand Cherokee in May, only has around 2300 miles on it. Got fed up with it doing hard down shifts, I do a lot of city driving and it's terrible. Very jerky, can feel and hear it, especially when it goes from 2nd to 1st gear. Duralast Top Post Battery Terminal 2 Pack AZ1290CS. Part # AZ1290CS. SKU # 411476. Check if this fits your 2016 Jeep Grand Cherokee. Free In-Store or Curbside Pick Up. SELECT STORE. Home Delivery. Standard Delivery. Estimated Delivery Mar. 27-28. SilverSnake. Have not looked at the OEM battery on my GC. However, the date (month and year) of manufacture on the OEM batteries on my Ram were stickers on the side. You can pretty much tell if the battery is good by checking the CCA rating on the battery and then checking the actual CCA with battery fully charged. eCjYA.