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How to Change the Battery of a Jeep Wrangler

Model: Jeep Wrangler MK 3, JK - Years 2007-2018
Part: Battery

If you notice difficulty starting the vehicle when turning the key, the battery may no longer be efficient, and it is necessary to replace it. Follow the instructions below. After opening the bonnet, disconnect the negative terminal first, followed by the positive terminal. Next, unscrew the fixing screw of the lower plate, then remove the battery and replace it with the new one. Finally, reconnect the positive terminal first, then the negative terminal, and refit the lower plate.

Updated on 18 July 2026 by ScegliAuto

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