Help, traveling in Tx and Glaaditor just died

[ColoradoCantu]

Stopped at light and lights flickerd and engine stopped, tried to restart, lights flickering, red battery symbol, red lightning bolt and it would not go to Off, i kept trying and somehow got it to start, seemed ok drove about a block and it died again and this time it would start but again it would die immediately, lights flickering could not shift to neutral, took battery out and took an Uber to O'Reilly s and battery tested good, put battey back now, its totally dead no lights

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[HooliganActual]

Did you check the second battery? The small one that is under the fuse box/behind the passenger side fender well? Those have been known to go out and drag the main down/prevent starting.

Did you have any warnings on the dash about ESS AutoStart/Stop failure or something like Aux Switches not available while battery is charging? these are typical indicators for when the second battery is at issue...

 

[Dougstdig]

Sorry for your issues and yes your bolo went out.
Odd question. For the last week did your horn chirp when locking the doors sound puny?

 

[ColoradoCantu]

Did you check the second battery? The small one that is under the fuse box/behind the passenger side fender well? Those have been known to go out and drag the main down/prevent starting.

Did you have any warnings on the dash about ESS AutoStart/Stop failure or something like Aux Switches not available while battery is charging? these are typical indicators for when the second battery is at issue...

I do recall seeing Start/Stop not ready msg but dont remember seeing anything else

 

[ColoradoCantu]

Sorry for your issues and yes your bolo went out.
Odd question. For the last week did your horn chirp when locking the doors sound puny?

Didnt notice that, is Bolo the back up battery?

 

[HooliganActual]

I do recall seeing Start/Stop not ready msg but dont remember seeing anything else

This is a very typical symptom of the small Aux battery failing. Mine did almost the exact same thing and left me stranded miles off grid. Even a jump start from another vehicle wasn't enough to get it going.

You should be able to disconnect the Aux Battery and then get it started.

 

[ColoradoCantu]

This is a very typical symptom of the small Aux battery failing. Mine did almost the exact same thing and left me stranded miles off grid. Even a jump start from another vehicle wasn't enough to get it going.

You should be able to disconnect the Aux Battery and then get it started.

Thanks, trying getting towed to my buddy's house so i can work on it and try that

 

[HooliganActual]

Thanks, trying getting towed to my buddy's house so i can work on it and try that

Definitely search this forum for Aux Battery Delete as there is a way to actually fully disconnect it forever if it’s your desire to do so. Personally, I left mine installed and connected but certainly now know the warning signs of the impending failure: I was getting the ESS and Aux Switch warnings for 2 weeks before it actually failed. I just didn’t understand what that was telling me.

 

[Willpower1]

Your aux battery is the issue. You’ll like,y have to replace both. I did. Look up going behind the fender liner on the passenger side to replace it. Makes it a much shorter job. Aggravating, but not as much so as removing the fuse box to get at it.

 

[bleda2002]

Bad battery will often test good, ours did. Replaced battery and disconnected aux, started right up again.

 

[jebiruph]

From your description you may have blown the N3 fuse. It's explained at the bottom of the first post here https://www.jeepgladiatorforum.com/forum/threads/ess-dual-battery-system-operation.44028/post-709139. If that's the case, moving the cable from the N3 terminal post to the N4 terminal post should get you going.

 

[ColoradoCantu]

Bad battery will often test good, ours did. Replaced battery and disconnected aux, started right up again.

i was wondering about that

 

[ColoradoCantu]

Thanks for the suggestions, sounds like i have a couple things I can try without too much pain, switching to N4 fuse and removing the aux battery, assuming main really is still good.

 

[RudeJeepin]

And the results were???

 

[Rabbi]

Bad battery will often test good, ours did. Replaced battery and disconnected aux, started right up again.

https://www.powerstridebattery.com/blog/what-is-a-hydrometer-and-how-do-i-read-one

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