Battery ran down
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Joined: Aug 2005
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Battery ran down
Hi
Need to put a battery Maintainer on my 07 f350 which battery do I connect it to? Passenger side or Drivers side, will it charge both and will a 12v charger work not sure on this as Im thinking we have 24v so help would be nice Thanks M
Need to put a battery Maintainer on my 07 f350 which battery do I connect it to? Passenger side or Drivers side, will it charge both and will a 12v charger work not sure on this as Im thinking we have 24v so help would be nice Thanks M
Token Redneck
Joined: Jun 2007
Posts: 9,335
Likes: 343
From: Breckenridge, TX
2007 with two batteries, am I good in assuming you have a 6.0L?
I put my maintainer on the passenger side battery, it should work to keep both of them maintained installed that way. Just a regular maintainer for a 12V auto battery is what you need, I use a CTEK 3300.
If you actually ran the batteries down, you need to charge and load test them separately, and test the alternator. If one battery fails, you have to replace both at the same time. You should probably get that figured out sooner rather than later, because if your voltages aren't where they should be you could be nuking the FICM by driving it.
I put my maintainer on the passenger side battery, it should work to keep both of them maintained installed that way. Just a regular maintainer for a 12V auto battery is what you need, I use a CTEK 3300.
If you actually ran the batteries down, you need to charge and load test them separately, and test the alternator. If one battery fails, you have to replace both at the same time. You should probably get that figured out sooner rather than later, because if your voltages aren't where they should be you could be nuking the FICM by driving it.
i ain't rite
Joined: Mar 2005
Posts: 65,447
Likes: 5,517
From: Marlboro Mental Hospital.
12 volt system. the batteries are in parallel ie: positive to positive, negative to negative.. 24 volt would be series, IE: positive to negative.
battery maintainer could go on either battery and still charge both.
on my 88 diesel, it is on the passenger side battery.
my 02 has it hooked to the driver side battery.
mount it where you have a place to hide it and hook it to the closest battery. you will be fine on either side.
battery maintainer could go on either battery and still charge both.
on my 88 diesel, it is on the passenger side battery.
my 02 has it hooked to the driver side battery.
mount it where you have a place to hide it and hook it to the closest battery. you will be fine on either side.
Post Fiend
Joined: Apr 2002
Posts: 19,311
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From: Waterloo, Iowa
One thing to keep in mind with parallel, high CCA batteries is a charge is going to take a long time, especially with a low amperage maintainer, maybe a week? Also, It may not be practical or even possible to adequately charge with certain types without a periodic "reboot", (unplug a few seconds) the DelTran battery tender for example automatically switches to float after approx. six hours, whether the battery is fully charged or not.
Batteries used in parallel must be charged together and I would use a charger that is up to the task to save time. A "dumb" charger will work but you have monitor the voltage periodically. It will still take a couple days. You'll want to let them cook for a while (several hours) with moderate gassing at around 14.7 volts or more. THEN you could place them on a maintainer.
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Batteries used in parallel must be charged together and I would use a charger that is up to the task to save time. A "dumb" charger will work but you have monitor the voltage periodically. It will still take a couple days. You'll want to let them cook for a while (several hours) with moderate gassing at around 14.7 volts or more. THEN you could place them on a maintainer.
Sent from my iPhone using IB AutoGroup
Battery run down
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