Question about Proper use of a Battery Charger - Ford Powerstroke Diesel Forum
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post #1 of 9 Old 11-16-2009, 07:38 PM Thread Starter
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Question about Proper use of a Battery Charger

To use a battery charger/maintainer do I need to disconnect the batteries from the truck to avoid damaging any of the elecronics or electrical componants on the truck or is it safe just to hook it up and plug it in? I can't find anything in the truck manual about this.

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post #2 of 9 Old 11-16-2009, 07:50 PM
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You need to disconnect the batts and charge them.

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post #3 of 9 Old 11-16-2009, 07:59 PM
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I have never disconnected a battery just to charge it, and have never had any issues either.

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Quote:
Originally Posted by alberta 7.3 View Post
Yeah, I'd probably feel a bit drained after firing twice in rapid succession.
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post #4 of 9 Old 11-16-2009, 08:15 PM Thread Starter
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Quote:
Originally Posted by Goose350 View Post
You need to disconnect the batts and charge them.
Not what I wanted to hear. Let my ask why that's the case. Is it any different from jump starting?

06 F-350 psd cc lb FX4
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"STOCK" Binford 6100 Diesel w/ MORE POWER!
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post #5 of 9 Old 11-16-2009, 08:21 PM
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Quote:
Originally Posted by Jake View Post
I have never disconnected a battery just to charge it, and have never had any issues either.
I have always heard its best to disconnect them but I guess it really doesnt matter
Quote:
Originally Posted by Fandini View Post
Not what I wanted to hear. Let my ask why that's the case. Is it any different from jump starting?
You will be fine either way. I have just always disconnect the batteries and charged them in my shed. Just a habit I guess.

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post #6 of 9 Old 11-16-2009, 09:15 PM Thread Starter
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Quote:
Originally Posted by Goose350 View Post
You need to disconnect the batts and charge them.
Not that I don't buy into what your saying, but what puzzles me is that if hooking up a charger to batteries that are still hooked up to the truck is such a big no no, why isn't it in the owners manual. I've looked and I can't find anything about how it should or should not be done. You'd think that with all the idiot warnings on everything these days there'd be a section on this. Heck, there is over 4 pages with lots of pictures on how to properly connect and, get this, disconnect jumper cables. Would you believe that there is a picture for EACH step.

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Coolant Filter
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Circuit Board Medics FICM
"STOCK" Binford 6100 Diesel w/ MORE POWER!
"I just wanted to see.............if ya'll wanted to buy a possum"
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post #7 of 9 Old 11-17-2009, 12:34 PM
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Quote:
Originally Posted by Goose350 View Post
I have always heard its best to disconnect them but I guess it really doesnt matter


You will be fine either way. I have just always disconnect the batteries and charged them in my shed. Just a habit I guess.
Ive heard that too, but if you think about it, what difference would it make? The batteries have constant power in them anyway, and when the key is off there is no power running through anything anyway.

Quote:
Originally Posted by Fandini View Post
Not that I don't buy into what your saying, but what puzzles me is that if hooking up a charger to batteries that are still hooked up to the truck is such a big no no, why isn't it in the owners manual. I've looked and I can't find anything about how it should or should not be done. You'd think that with all the idiot warnings on everything these days there'd be a section on this. Heck, there is over 4 pages with lots of pictures on how to properly connect and, get this, disconnect jumper cables. Would you believe that there is a picture for EACH step.
Another good point.

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Quote:
Originally Posted by alberta 7.3 View Post
Yeah, I'd probably feel a bit drained after firing twice in rapid succession.
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post #8 of 9 Old 11-17-2009, 12:54 PM Thread Starter
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I was hoping an electronics guru would chime in. I've heard a lot of different things over the years, a lot of which is conflicting. Maybe a Ford Tech that is strong in the electrical/electronics area could help us answer this question.

06 F-350 psd cc lb FX4
NO MUFFLER!!!
ARP Head Studs
Coolant Filter
Scheaffers Oils
Gearhead CUSTOM 50hp Tow tune w/ trans tune & EGR off
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"STOCK" Binford 6100 Diesel w/ MORE POWER!
"I just wanted to see.............if ya'll wanted to buy a possum"
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post #9 of 9 Old 11-17-2009, 01:06 PM
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Im no guru or tech, but ive charged countless batteries without unhookin em and never once had any issue.

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Quote:
Originally Posted by alberta 7.3 View Post
Yeah, I'd probably feel a bit drained after firing twice in rapid succession.
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