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Won't start after a weeks holiday.

flan said:
I’ll throw a wrench in the works, I use a 1.25 without issue :D

After all you’re just maintaining, not charging. If it’s drawing down more than an amp there’s bigger problems.
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Correct, I have used my 0.75A one as well without issue. I like having the 5A for multiple uses, since it will recharge other batteries quicker than my 0.75A.
 
unclelala said:
Ok now I'm confused ... Do I need the 5 amp or 10 amp?:oops:
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Technically as long as it is above .08A you are fine as that what the vehicle draws when off but typically 1-2A is normal for maintainers my one does 1A and 4A with optional AGM setting and was less than 100$ its a crappy tire special and has done well for me for years and its always charging a battery somewhere unless the power is out :D
 
CdnHO said:
Also hook up the NOCO negative charge cable to the IBS battery sensor on the driver side battery. That way the truck's computer will take the charge current into account.
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I did not hook up my negative that way, but I can change it. However, being no expert on this kind of thing, I don't know why is this important for trickle charging? If you are just hooking up the charger after driving so just preventing the battery from running down, shouldn't the computer just sense a fully charged battery? Or is there another reason for this? Thanks!
 
Will_T said:
I did not hook up my negative that way, but I can change it. However, being no expert on this kind of thing, I don't know why is this important for trickle charging? If you are just hooking up the charger after driving so just preventing the battery from running down, shouldn't the computer just sense a fully charged battery? Or is there another reason for this? Thanks!
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How are you wired?

It likely doesn’t matter for battery maintenance, but pushing current thru the IBS is the best practice.
 
AH64ID said:
How are you wired?

It likely doesn’t matter for battery maintenance, but pushing current thru the IBS is the best practice.
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Ok. I can change it. My negative is on a ground to the frame. It seems to have been working fine for several months but maybe I've just been lucky. I'll fix it. I just did it that way because I've always grounded things to the frame, not the battery. So just habit I guess, no other reason.
 
Will_T said:
Ok. I can change it. My negative is on a ground to the frame. It seems to have been working fine for several months but maybe I've just been lucky. I'll fix it. I just did it that way because I've always grounded things to the frame, not the battery. So just habit I guess, no other reason.
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Mines been like yours since 2019.
 
Will_T said:
Ok. I can change it. My negative is on a ground to the frame. It seems to have been working fine for several months but maybe I've just been lucky. I'll fix it. I just did it that way because I've always grounded things to the frame, not the battery. So just habit I guess, no other reason.
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You can leave it there, that still sends the current thru the IBS.
 
CdnHO said:
I have my NOCO velcroed to the top of the fuse box. See photo
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Yes, I would be interested in how these are being secured under the hood so as to stay in place on washboard roads, etc.


unclelala said:
So is it basically always sitting under the hood even when driving? You wouldn't happed to have a photo how its hook up do you ? I can't tell from your photo where there are connected.
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I originally decided to not permanently mount mine under the hood. I only use it at home when the truck is not being started every day. If I did it again I would probably put it under the hood. There have been a few camping trips where I did not start the truck for 4 or 5 days, so then when I did, I held my breath. I have had no problems at those times though, only when it sat a home unstartled for over a week. The way I have it, the charger is attached to pole next to where I park the truck and I just plug it into the pigtail when I leave the truck. That works great at home, but is a hassle if I want to use it on a trip because not only do I have to disconnect it from the pole, I need to remember to bring it in the first place!

So, in retrospect, I think mounting it under the hood and running the AC plug to a spot where you can plug it in without having to leave the hood open is what I would do now.
 
unclelala said:
So is it basically always sitting under the hood even when driving? You wouldn't happed to have a photo how its hook up do you ? I can't tell from your photo where there are connected.
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The charger positive cable is connected to the positive bus bar on the battery. It is under a black cover on the battery. The negative is connected to the IBS. The 120 volt for the charger is attached to a NOCO weather proof connector under the bumper. I just plug the female end of the extension cord into it.
 

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CdnHO said:
The charger positive cable is connected to the positive bus bar on the battery. It is under a black cover on the battery. The negative is connected to the IBS. The 120 volt for the charger is attached to a NOCO weather proof connector under the bumper. I just plug the female end of the extension cord into it.
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That is a nice plug you put under the bumper! I am still wondering what you did to secure the Genius itself on the fuse box in such a way that it will withstand years of washboard roads and general vibration without coming loose?
 
Will_T said:
That is a nice plug you put under the bumper! I am still wondering what you did to secure the Genius itself on the fuse box in such a way that it will withstand years of washboard roads and general vibration without coming loose?
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He did say velcro…. Lol
 
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