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[azmojave]

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[Beat Army]

Is there a way to anticipate this? I’m at 2.5 years on the oem batteries and I really don’t want this to happen to me in the boonies. Should be under warranty? If I get past the warranty period on the original batteries I will probably look at an auto start stop delete and a genesis dual battery system for reliability purposes.

 

[Lunentucker]

Is there a way to anticipate this? I’m at 2.5 years on the oem batteries and I really don’t want this to happen to me in the boonies. Should be under warranty? If I get past the warranty period on the original batteries I will probably look at an auto start stop delete and a genesis dual battery system for reliability purposes.

You would need to separate the two batteries and test them independently. It's a very flawed system. If one battery begins to fail it will suck the life out of the other one until they're both dead.
Then you're looking at the situation above.

You really don't need the expensive dual battery system like Genesis, unless you're a heavy user of battery resources, such as camping and running appliances off of the system.
Just bypass or delete the auxiliary battery and install and good quality high capacity cranking battery.

 

[WILDHOBO]

I almost made it 3 years but my OEM batteries have died. Everything was fine yesterday but this morning was click-no-start. I knew it was coming so I should have ordered batteries to be ready but I didn’t.
View attachment 382238

FWIW, I replaced both of mine and almost made it three years as well. I used a yellow top to handle winching better, and a die hard aux 14 for the aux. it was a straight forward replacement. Sorry yours won’t start.

 

[WILDHOBO]

FWIW, I replaced both of mine and almost made it three years as well. I used a yellow top to handle winching better, and a die hard aux 14 for the aux. it was a straight forward replacement. Sorry yours won’t start.

Also, I can’t recommend the fender removal to install the replacement aux enough. It makes it so easy. Just get some replacement white fender clips in advance.

 

[Rc328]

I have to start preparing for this , I have 22, and when I don't drive it for more that 3 days sometimes it has issues cranking

 

[whysoserious]

I have to start preparing for this , I have 22, and when I don't drive it for more that 3 days sometimes it has issues cranking

I keep mine on an AGM battery tender. It's habit now whenever I park it in the garage. It's hardwired with a connector near the winch.

 

[kevman65]

Bought new in March of `20, still on OEM batteries.

Just waiting for the day.

 

[ShadowsPapa]

Pretty easy to keep track - just check voltage at rest now and then.
None-driving is a battery killer for most modern vehicles. People in a NAPA store were complaining they can't get batteries in their cars to last 4 years or more.

If you want to make them last longer, BatteryMinder will handle it (I put a tag on my door handle when it's plugged in to remind me but with this setup, it would simply pull the connections apart and do no damage) ->

I can tell just by observation of the running voltage how things are going and if it's been sitting a bit too long.
I don't know what the @#$% I plugged the BatteryMinder into that blue extension cord. I had installed an outlet just inches away several years ago - geesh -

 

[KevinC]

I almost made it 3 years but my OEM batteries have died. Everything was fine yesterday but this morning was click-no-start. I knew it was coming so I should have ordered batteries to be ready but I didn’t.
View attachment 382238

As of your post, you have/had 2,654 messages on this forum and 26,542 miles on your JT. You may want to play the lottery tonight. And that is low miles for three years.

 

[WILDHOBO]

I have the batteries but the manager at Oreilly says the aux may not fit. She’s had complaints in the past. I will find out soon

Which one did you get?

 

[WILDHOBO]

AUX14
https://www.oreillyauto.com/detail/...gm-top-post-battery-group-size-400/ssbq/aux14

That should fit fine. Mine was a die hard, but also aux 14.

 

[Mr._Bill]

AUX14
https://www.oreillyauto.com/detail/...gm-top-post-battery-group-size-400/ssbq/aux14

That's the correct one. You'll need a 4mm socket to transfer the posts between the batteries.

 

[chorky]

Interesting. The search told me group 48 but it’s smaller. I must have a group 94

Aux battery is identical

From what I recall the Mojave and Rubicon's had the larger batteries.

 

[KVJ]

Pretty easy to keep track - just check voltage at rest now and then.
None-driving is a battery killer for most modern vehicles. People in a NAPA store were complaining they can't get batteries in their cars to last 4 years or more.

If you want to make them last longer, BatteryMinder will handle it (I put a tag on my door handle when it's plugged in to remind me but with this setup, it would simply pull the connections apart and do no damage) ->

@ShadowsPapa Bill can you elaborate on that plug setup? I think I'd like to do that setup.

Did you hookup pin #1 and 4 ?

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