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Jump Box Answered

While the autoparts place was testing my battery(projected to take 1.5 hrs) I drove home with just the emergency jump box running the system. Probably not factory recommended for long durations, but it was just a mile or 2.

What's the worst that could happen?

Tags:JumpBox

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Downunder35m

2 years ago

Depends on the car and electronics.
Some cars go into an emergency mode when the battery is running low and the computer needs to reset after this.
In most cases that happens automatically if the battery is disconnected for more than 2 or 3 minutes.
Of course if the power runs too low on your starter pack the fuel pump (if electric) can get into trouble messing up the fuel mix - too much heat in the exhaust....
But for such a short distance you should be fine.

I do wonder though why those did not just put an old spare battery in your car to let you go home...
Guess you should pay your mechanic next time you get a repair done instead of taking off with a jump pack LOL

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Toga_DanDownunder35m

Reply 2 years ago

20+ yr old vehicle. I'm not sure about computer in it. I've seen this vehicle idle with no battery at all in it. Not sure about fuel pump. Overheat would b caused by lean combustion? This was an autoparts place. no loaner battery so far as I know. Rarely deal with mechanics. DIY, y'kno.

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Downunder35mToga_Dan

Reply 2 years ago

Well, then you are in same boat as I am and there is nothing to worry at all :)
Mine will even survive an EMP as there is no vital electronics in it at all, except for my radio and car stereo LOL
Once mine is running it does so quite happy without battery and alternator - nothing beats a 22 year old mechanical diesel engine ;)

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Toga_DanDownunder35m

Reply 2 years ago

ive never had a diesel. Would it roll start with no battery? Now that's the vehicle you want for armagedon!

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Downunder35mToga_Dan

Reply 2 years ago

As long as it is warm enough it will, just a bit hard in the winter times without a fire under the engine.
And I don't really pushing over 2T of steel against the force of the pistons.
So for armageddon I would have some nice rocks to go from the fire under the engine (in the winter) and park my toy on a nice long hill.
Remind me a week or two before armageddon to stock up on solar panels and batteries though!

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Toga_DanDownunder35m

Reply 2 years ago

if I get the memo on armageddon, I will forward it. Minigeddons, however are expected to be sporadic and unpredictable.

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Downunder35mToga_Dan

Reply 2 years ago

So you handle the end of the world pretty much like your Instructables....
The impossible is done at once, wonders might take a day or two LOL

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Toga_DanDownunder35m

Reply 2 years ago

.... and if the project is possible, why then I'm bored, and why bother!

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caitlinsdad

2 years ago

...your wife doesn't buy that story and you lost the battery somehow on a bet at the bar.