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Old 06-25-2013, 01:02 PM   #1
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Battery dead

My wife left the lights on and ran my battery down. She asked the neighbor if he could jump it off for her and he tried but couldn't get it started. When i got home, I hooked up the cables grounding it to the block and got it started. Its running way rough and stalled out while it was in the driveway. I think he hooked up the cables on the battery(didnt ground it to the block). Did he fry the computer or anything else? Never seen this before. Lil help.

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Old 06-25-2013, 01:14 PM   #2
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My wife left the lights on and ran my battery down. She asked the neighbor if he could jump it off for her and he tried but couldn't get it started. When i got home, I hooked up the cables grounding it to the block and got it started. Its running way rough and stalled out while it was in the driveway. I think he hooked up the cables on the battery(didnt ground it to the block). Did he fry the computer or anything else? Never seen this before. Lil help.
Wouldn't make a difference. The rational for not hooking up directly to the battery is that they don't want someone coupling to the good battery first and then the bad one. If there is build up of H2 in the bad battery, boom. By grounding somewhere besides the battery you're at least not having the persons face in the line of fire. If you hook up both pos and neg to the bad vehicle first there is no issue because you'll be near the good battery. Get it started again and keep the revs up for a bit, see what happens.

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Old 06-25-2013, 01:16 PM   #3
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It shouldn't hurt it....I think the battery is so low that it is dragging everything down. Idling in the driveway will not charge it up. You need to get it started and start driving it around the block a few times. This will allow it charge up and should help everything return to normal.

Alternatively, you could just hook a charger up to it and let it sit for a while.
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Old 06-25-2013, 01:22 PM   #4
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yeah, get it started and let it charge the battery back up. They don't like a low battery for sure. Or, put it on a charger over night. Chances are, if you didn't have the rough running problems before the battery died, its prob. just because the battery is so low.

And yeah, I second that. The reason to hook up + first then - to ground is to avoid getting a spark on top of the battery that could ignite hydrogen gasses.
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Old 06-25-2013, 01:42 PM   #5
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Thanks to everyone. Got this one a couple of months ago and still learning about it. Also it has after market headlights,the fluorescent ones, so when she left the lights on, they really drained it. Thinking of getting rid of those things too.
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Old 06-25-2013, 01:45 PM   #6
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Thanks to everyone. Got this one a couple of months ago and still learning about it. Also it has after market headlights,the fluorescent ones, so when she left the lights on, they really drained it. Thinking of getting rid of those things too.

First thing I did was new headlights (HID). Couldn't see shit with the sealed beams.

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