When to Replace Batteries

[jebiruph]

I don’t use ESS at all. What is the PCR and what does pulling its fuse do?

https://www.jeepgladiatorforum.com/forum/threads/jumperless-aux-battery-pcr-bypass.59836/
This allows you to effectively eliminate the aux battery with minimal effort and easily return to the factory setup if you want. Also leaves the aux battery available for emergency jumpstarts.

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[Jteakus]

Thank you sir