Ess

[20JUR]

2020 Jeep Jl Rubicon. No Ess unless I trickle charge it overnight. Took it into the dealership but they said the batteries tested fine……still no Ess. They did nothing. Back to the trickle charge. I may pull the battery myself and check it with a load. Then take it to Auto Zone to have it tested. Will post later on the findings

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[Herson]

Disconnect both batteries and disconnect the negative of the auxiliary battery from the main negative terminal. Trickle charge only the auxiliary battery overnight if possible and the connect everything back the next day. It worked for me.