MSRP $5.15. 6509569AA. Battery Positive To Jump Start Post. M8x1.25. Positive battery wiring to jump post. View Details. 3. Hex Flange Lock Nut. MSRP $3.55. 2018 Jeep Grand Cherokee Battery. Your 2018 Jeep Grand Cherokee battery will typically last between 3 to 5 years, but that can vary heavily depending on battery size, type of battery, weather conditions and driving habits. Even still, just because your battery isn't completely dead, doesn't mean it's operating at optimal levels. Stop/Start Screen. In the following situations, the engine. will not stop: • Driver’s seat belt is not buckled. • Driver’s door is not closed. • Battery temperature is too warm or cold. • Battery charge is low. • The vehicle is on a steep grade. • Cabin heating or cooling is in process and an acceptable. My 2020 grand cherokee sat for a few months and battery died. Replaced main battery with glass mat kind but my auto start stop light comes on the dash. Replaced auxiliary battery but light still comes … read more 2018, 2016, 2014, 2013, 2011, and 2017 Jeep Grand Cherokee battery location is the same. Basically, the company hasn’t changed the battery location from the 2011 models to the 2021 models. Therefore, you will find the battery under the passenger seat at the front. 793 posts · Joined 2005. #9 · Feb 13, 2018. So, it insulated it's self between the battery terminal and the wire lug it bolts to. Cleaned and greased it, and it good to go. Thanks everyone for the help! 2001 Jeep Grand Cherokee Laredo 4.0L NV242LD Transfer Case, 42RE, 175,000 miles. Standard. Wheels: 17" x 8.0" Silver Aluminum. Standard. Fixed Rear Window w/Fixed Interval Wiper, Heated Wiper Park and Defroster. Standard. Speed Sensitive Variable Intermittent Wipers. Standard On vacation in Colorado my 2018 3.6L Trailhawk battery voltage has been displaying 12.7 volts while monitoring the Off Road page. 2014 Jeep Grand Cherokee Summit 2018 Jeep Grand Cherokee 3.6l will not crank. Have 13.4 volts on battery. Drove it last night no issues went out this morning to leave salt lake to go back home to Vegas but keep will not crank. I’ve had my 2018 grand Cherokee trailhawk since January, end of my car was dead so I got the main battery replaced. Two weeks later car was dead again and has been a reoccurring issue, I went ahead and also changes the alternator and aux battery but it has still kept dying. Finally took it to the dealer and they said both batteries were dead u30fQ.