Best way to charge or jump start HMMWV ?

TheGreatMidwest

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Wanted to find out what others were doing in order to 'safely' jump start and charge their HMMWV ? Assuming there are no other NATO vehicles handy for jumping. What's the safest way to charge and jump start the M998 without damaging the engine electronics such as glow plug controller?

Thanks!
 

DatGuyC

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Essex, Maryland
Take the batteries out and charge them independently if you only have a 12v charger. If you need to jump start it you could try hooking up the jumper cables to only one battery but I'm not sure if that would fry anything. Safest thing it to charge them separately.
 

MWMULES

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If you only have 12V I use the first battery to jump start. Works great and it will not hurt anything. The best way would to charge each battery on it's own when dead and jointly to maintain them , I choose to use a NOCO Genius G7200 12V/24 charger/maintainer.

BTW, per site rules please change your profile to reflect the middle of which no where State you live in. (Thanks)
 
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TheGreatMidwest

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Location
the middle of Ohio
If you only have 12V I use the first battery to jump start. Works great and it will not hurt anything. The best way would to charge each battery on it's own when dead and jointly to maintain them , I choose to use a NOCO Genius G7200 12V/24 charger/maintainer. (Thanks)
Thanks, I was checking out that model of charger after you suggested it, comes in a wide range of amp ratings. Do you know which model of the G7200 you're using? The different flavors are: .75 Amp
1.1 Amp
15 Amp
26 Amp
3.5 Amp
4.4 Amp
and 7.2 Amp
 

Mike82ndABN

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the 7200 is 7.2 amp.
the 1100 is 1.1 amp
the 15000 is 1.5 amp

basically the 7200 only comes in 7.2amp, if you select a different amp model, it has a whole different model number.
 

M1224

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Definitely invest in a good 24v Charger.

For jump starting, I am making a cart with 2 deep cycle 12V batteries that will be wired for 12 and 24 volt with multiple cables, including a NATO Slave cable. This way I can jump start anything.
 

TheGreatMidwest

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the middle of Ohio
the 7200 is 7.2 amp.
the 1100 is 1.1 amp
the 15000 is 1.5 amp

basically the 7200 only comes in 7.2amp, if you select a different amp model, it has a whole different model number.
Ah! Amazon didn't display the products separately, it brought up the 7200 with a checkbox for the different amp rating. Thank you for clarifying that!
 

TheGreatMidwest

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Location
the middle of Ohio
Definitely invest in a good 24v Charger.

For jump starting, I am making a cart with 2 deep cycle 12V batteries that will be wired for 12 and 24 volt with multiple cables, including a NATO Slave cable. This way I can jump start anything.
Nice setup. I do have two deep-cycle 12 v marine batteries wired up in series for 24 v. I wanted to add a NATO cable... but... darn expensive on Ebay!
 
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