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Trickle Charger On '22 Cummins

.010 amps on a draw test is basically nothing.
 
These modern vehicles with all the computers shut down various systems over time to conserve batteries. Would be interesting to see a timetable and expected circuit draw.


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I have my tender hard wired to the positive post of the driver side battery and the negative to the body ground right beside the driver side battery. All this ibs talk is giving me ibs! Is mine ok? I’m now second guessing haha.
 
Just curious if anyone is using solar to trickle charge and how that's working out? I'd guess there wouldn't be any difference between solar and plug in but just would like some reassurance before I go that direction. Thanks...
 
dogbreath650 said:
Just curious if anyone is using solar to trickle charge and how that's working out? I'd guess there wouldn't be any difference between solar and plug in but just would like some reassurance before I go that direction. Thanks...
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I’m not using solar on the truck, but I park it inside so it wouldn’t do much good.

If you don’t have access to a 120V plug then solar should work well.
 
CdnHO said:
The IBS is a sensor that monitors current going in and out of the batteries. The computer uses this to determine the state of charge. If you connect to the battery terminal itself, the truck does not know if the battery is being charged or not. My truck is often parked for several days at a time as well. I plug in the NOCO charger once in a while to make sure the batteries are fully charged. I had a 2 amp and it took forever to fully charge the batteries. Replaced it with a 10 amp. Much better. All the computers in these trucks seem to draw the (low quality) factory batteries down. Here is my setup. I just velcro the charger to the fuse panel cover. The little rectangular device with the MOPAR logo on the battery post is the IBS. I suspect it is a shunt of some sort. Please note this is the NEGATIVE post. The wire shown attached to the top of the IBS is the NOCO charger negative terminal.
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I’m trying to do the same set up with a NOCO gen5x2. I was told the noco isn’t built to be able to withstand the heat in the engine bay. Have you had any issues with heat and the charger? Also, if I’m understanding correctly, I really only need to hook it up to the driver side battery? I do have a two bay charger, so I was going to just hook up each battery.


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mjlebsa said:
I’m trying to do the same set up with a NOCO gen5x2. I was told the noco isn’t built to be able to withstand the heat in the engine bay. Have you had any issues with heat and the charger? Also, if I’m understanding correctly, I really only need to hook it up to the driver side battery? I do have a two bay charger, so I was going to just hook up each battery.


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No need to hook it up to each battery, as the truck is one bank and the x2 is designed for 2 banks.

They can be stored up to 140° and operate up to 104°. I’m pretty sure the engine bay gets warmer than that. I don’t see the overall advantage to installing it in the engine bay.
 
CTEK has a quick connect cable you can leave connected and route it outside the engine bay and just plug the charger in when needed. I wouldn't leave a charger itself permanently installed in there.
You could rig something similar up with any charger
 
AH64ID said:
No need to hook it up to each battery, as the truck is one bank and the x2 is designed for 2 banks.

They can be stored up to 140° and operate up to 104°. I’m pretty sure the engine bay gets warmer than that. I don’t see the overall advantage to installing it in the engine bay.
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Is yours in the engine bay or is it just sitting there? In your photo it looks like you have it mounted inside.

I assume the negative goes to the IBS and the positive goes to the typical positive?


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mjlebsa said:
Is yours in the engine bay or is it just sitting there? In your photo it looks like you have it mounted inside.

I assume the negative goes to the IBS and the positive goes to the typical positive?


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I have my charger mounted to my shop and use a 10' extension to reach the truck. I have a pigtail installed in the truck for a quick and solid connection.
 
mjlebsa said:
I’m trying to do the same set up with a NOCO gen5x2. I was told the noco isn’t built to be able to withstand the heat in the engine bay. Have you had any issues with heat and the charger? Also, if I’m understanding correctly, I really only need to hook it up to the driver side battery? I do have a two bay charger, so I was going to just hook up each battery.


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I have mine velcroed to the fuse cover. It is near the front of the engine bay so probably the coolest area. However, I have had no issues. Also with the truck running, your charger is not working and no internal heat is being generated. You only need to hook to one battery since they are connected in parallel.
 
Does all of this only apply if you have a Stop Start model? Reading the STAR case posted here, I don't see where this is a problem for HD trucks with Cummins, but wanted to make sure I understand this properly. This whole thing seems really odd, though. How did they take something as simple as charging a battery and convuluting to the point we need a multi-page thread on how to charge a vehicle properly??? :)
 
darrellr said:
Does all of this only apply if you have a Stop Start model? Reading the STAR case posted here, I don't see where this is a problem for HD trucks with Cummins, but wanted to make sure I understand this properly. This whole thing seems really odd, though. How did they take something as simple as charging a battery and convuluting to the point we need a multi-page thread on how to charge a vehicle properly??? :)
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The case was posted to provide information the IBS, you can ignore the Start/Stop portions.
 
So if we are not using a trickle charger when the truck is running, it shouldn't matter if you are on the post or the IBS, right? If this is an issue, wouldn't actually changing the batteries also cause an issue potentially? I am just not entirely sure what the problem is we are trying to solve for. I don't eat crayons but glue may be another story. :)
 
AH64ID said:
The case was posted to provide information the IBS, you can ignore the Start/Stop portions.
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Pretty sure I’m over thinking this, but my understanding is the system is in parallel. So, wouldn’t I need to hook up positive to one battery and negative to the other battery? Or put a tender on each battery?

The Ram service advisor told me I could hook up a tender to one battery and it will charge both.

I’m asking this question because my truck only has 7000 miles on it and I’ve already had to replace one battery. The dealership said “the charge level on the passenger side battery was questionable.“ So, they just replaced it.

During the winter, I don’t put many miles on this truck, so I want to hook something up but I want to make sure I hook it up correctly

Thanks


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CdnHO said:
I have mine velcroed to the fuse cover. It is near the front of the engine bay so probably the coolest area. However, I have had no issues. Also with the truck running, your charger is not working and no internal heat is being generated. You only need to hook to one battery since they are connected in parallel.
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Which charger/maintainer are you using?


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mjlebsa said:
Pretty sure I’m over thinking this, but my understanding is the system is in parallel. So, wouldn’t I need to hook up positive to one battery and negative to the other battery? Or put a tender on each battery?

The Ram service advisor told me I could hook up a tender to one battery and it will charge both.

I’m asking this question because my truck only has 7000 miles on it and I’ve already had to replace one battery. The dealership said “the charge level on the passenger side battery was questionable.“ So, they just replaced it.

During the winter, I don’t put many miles on this truck, so I want to hook something up but I want to make sure I hook it up correctly

Thanks


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Your service advisor was right. Hook it to the battery as shown in the photo on the first page of this thread. Please note that the NEGATIVE charger terminal is correctly connected to the terminal of the IBS in the photo.
 
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