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Old 04-11-2013, 09:31 PM   #1
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Check gauges

Ok so I've been busy with putting an amp and a sub in my jeep and finally finished it. the battery died because I'm a dumb... You know what, and ran the amp and sub for 10 min without starting the jeep. After that I jumped it and drove it but while I was driving the check gauges light came on and volt guage or whatever it's called went to 19. Any clue what could be causing it? Could it be that my batery just died and need to be charged? Would running the sub kill the battery that fast? Battery is bran new by the way! So it shouldn't be bad atleast I'd hope not. thanks for any help lol

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Old 04-11-2013, 09:34 PM   #2
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What size amp and sub are you running?

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Old 04-11-2013, 10:23 PM   #3
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500rms amp and sub it's a 12"
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Old 04-11-2013, 10:45 PM   #4
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Im not very electronically smart but i do know that a few of my friends have had to put an extra battery in to run their subs because they had your problem with the battery dying because of a high wattage amplifier. I run a single 10 with a 125 watt amp so mines like nothing. But i know a dude with an 18 and a 1000 watt amp and he runs two batteries. So like i said im not very electronicaly smart so i could be totally wrong but as far asi know your single battery might not be enough for what you got and you may need an extra battery
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Old 04-12-2013, 12:41 AM   #5
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Quote:
Originally Posted by fourty4magjr View Post
Ok so I've been busy with putting an amp and a sub in my jeep and finally finished it. the battery died because I'm a dumb... You know what, and ran the amp and sub for 10 min without starting the jeep. After that I jumped it and drove it but while I was driving the check gauges light came on and volt guage or whatever it's called went to 19. Any clue what could be causing it? Could it be that my batery just died and need to be charged? Would running the sub kill the battery that fast? Battery is bran new by the way! So it shouldn't be bad atleast I'd hope not. thanks for any help lol
Sounds like your system drained the battery, and driving it, the alternator is charging the battery. New batteries usually aren't fully charged anyway. Its a good practice when you install a new battery to put the vehicle on a charger to fully charge a new battery if your not going to be driving it.
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Old 04-12-2013, 12:45 AM   #6
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another thing you may want to consider is putting in a higher output alternator. if you have high wattage off road lights + the amp and sub + just the usual voltage need to run the jeep, the stock alternator may not be able to keep up with all of it and charge the battery too.
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Old 04-12-2013, 07:05 AM   #7
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another thing you may want to consider is putting in a higher output alternator. if you have high wattage off road lights + the amp and sub + just the usual voltage need to run the jeep, the stock alternator may not be able to keep up with all of it and charge the battery too.
Yeah that's on the list and will get done here soon if the battery dies on me again.
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Old 04-12-2013, 07:07 AM   #8
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Thanks guys for te help! If it dies again and happens again ill know whats up. if not then I know that the battery was just dead. I drove it for an hour last night to charge the battery up and at my half way point I posted this and on the way home nothing happened so I think it was just dead.
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Old 04-12-2013, 08:49 PM   #9
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All is good so far! Seems as if it was just the battery.
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Old 04-12-2013, 08:53 PM   #10
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Good deal! Its always nice when something breaks and just seems to fix itself haha. My amp for my sub did this. Got caught in a random storm one night and flooded my amp. Didnt work lol so i took it to the sound store to buy a new one and showedthe dude workin.. He picked it up and a waterfall flowed out from in my amp. I decided i could live without the sub for a while so didnt get one. On the way home, it cranked right up and had been good ever since!! This was last summer haha. My miracle amp
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Old 04-12-2013, 09:05 PM   #11
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Good deal! Its always nice when something breaks and just seems to fix itself haha. My amp for my sub did this. Got caught in a random storm one night and flooded my amp. Didnt work lol so i took it to the sound store to buy a new one and showedthe dude workin.. He picked it up and a waterfall flowed out from in my amp. I decided i could live without the sub for a while so didnt get one. On the way home, it cranked right up and had been good ever since!! This was last summer haha. My miracle amp
Oh yeah it's always nice when that happens!

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