The simplest and safest way to jump start a MUTT equipped with a Slave Cable Receptacle is to couple it to another 24V military vehicle also equipped with a Slave Cable Receptacle. Unfortunately, there are lots of situations where that option isn't available. This past January someone relatively new to the M151 asked for help with a Jump Starting question. He jokingly said, "You will need crayons to draw me a picture." Humor aside, it can be a confusing and potentially dangerous issue to work through when you're not familiar with 24V systems. Since I do have a box of crayons though, I thought I'd give it a try . . .
The following are five first drafts of battery graphics covering the most common jump starting/battery boosting situations.
Please let me know if you find any errors or have suggestions for improvement. I'll update the graphics as necessary.
Mark
MUTT JUMPING (and battery boosting)
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- ODRotorHead
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MUTT JUMPING (and battery boosting)
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Last edited by ODRotorHead on May 19th, 2024, 12:14 am, edited 6 times in total.
- svramselaar
- Major
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Re: MUTT JUMPING (and battery charging)
hi
nice to see this
if both battery's are empty
if you have only a 12 volt car to help
put the cables like the last drawing at one battery
let the engine from the helping car run to load the empty battery
if it has run for 10-15 min take the cables off and put them at the other battery`
load it up and start
if you have battery's where you can look in
if you start and the water inside is bubbling at a compartment this one has a short
nice to see this
if both battery's are empty
if you have only a 12 volt car to help
put the cables like the last drawing at one battery
let the engine from the helping car run to load the empty battery
if it has run for 10-15 min take the cables off and put them at the other battery`
load it up and start
if you have battery's where you can look in
if you start and the water inside is bubbling at a compartment this one has a short
- ODRotorHead
- Sergeant
- Posts: 83
- Joined: December 5th, 2022, 11:30 pm
Re: MUTT JUMPING (and battery boosting)
Thanks for that information George.
I'm not knowledgeable about these matters (my lawyer told me to say that) so I didn't dare address "boosting" from a 12V vehicle. To be honest, since 24V doesn't play well with 12V, one minor error with a set of jumper cables could result in the 12V vehicle's entire electrical system being fried. If someone uses his Bugatti La Voiture Noire (I had to look that up) to boost his MUTT and has a bad outcome, he might blame me and I'll be in a whole lot of trouble.
: )
Mark
I'm not knowledgeable about these matters (my lawyer told me to say that) so I didn't dare address "boosting" from a 12V vehicle. To be honest, since 24V doesn't play well with 12V, one minor error with a set of jumper cables could result in the 12V vehicle's entire electrical system being fried. If someone uses his Bugatti La Voiture Noire (I had to look that up) to boost his MUTT and has a bad outcome, he might blame me and I'll be in a whole lot of trouble.
: )
Mark
Last edited by ODRotorHead on May 19th, 2024, 12:05 am, edited 2 times in total.
Re: MUTT JUMPING (and battery boosting)
You have to very careful jumping from another car. As long as you attach the cables directly to the battery you are charging then you are fine but if you go by the book and put the positive on the battery and the negative on a good ground on the body then you could have a problem. If you are jumping the left, or inside battery and you ground to the body you will fry your cars alternator and possibly blow the battery up because you will be jumping 12 volts to 24 volts. If you jump the left battery then ground to the body I believe you will be ok but it is not a chance you should take. Only go to the terminals of the one battery you are jumping and you are assured of a 12 volt connection.
1964 M151A1
1984 M1008
1967 M416
04/1952 M100
12/1952 M100- Departed
AN/TSQ-114A Trailblazer- Gone
1984 M1008
1967 M416
04/1952 M100
12/1952 M100- Departed
AN/TSQ-114A Trailblazer- Gone
-
- Brigadier General
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Re: MUTT JUMPING (and battery boosting)
Nicely done, thanks!
1976 M151A2 4 Color Cammo Mutt, aquired August 09
1976 or 7? M151A2 "Miss Sandy" Driver, aquired May 2010
Former owner M151A2 "Miss Saigon" Vietnam Rescue Sold Sept 09
Fond appreciation for the M151 Breed!!
1976 or 7? M151A2 "Miss Sandy" Driver, aquired May 2010
Former owner M151A2 "Miss Saigon" Vietnam Rescue Sold Sept 09
Fond appreciation for the M151 Breed!!
- Col Batguano
- Corporal
- Posts: 38
- Joined: September 5th, 2020, 10:48 am
- Location: Canada
Re: MUTT JUMPING (and battery boosting)
Thank you for this ! I love crayons but give me indigestion.