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Can low voltage do this?


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Alright so, as some of you may know I have been having some problems with my positive terminal getting hot. Did an experiment over the last few days. (First I fixed my ground so its making good contact now) but anyway, I bumped like crazy home from school today, yesterday and day before...got out of my car and checked the battery, not even warm. Granted I didn't bump through my neighborhood, but if the battery was as hot as it had been, it wouldve still be pretty hot. So anyway, fired it up in my driveway again cause I was trying to figure out how to stop it from making my 3rd brake light cover thing fall out. But I wasn't on the accelerator at all, didn't check the voltage but I am sure the drop was nasty since my lights were dimming out pretty good. This lasted no longer than a few minutes, and the terminal was hot. Now I have a stock alternator and I know that it outputs shit at idle and decent at highway rpms...Cause once again I have never noticed it hot after driving with music, just in my driveway. Could the cause be I have not been revving up my engine while I bump in my driveway so I get some nasty voltage drop?

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Someone correct me on this but it might be that the system is drawing tons of power straight off the battery when at idle, because the alternator isn't putting out many amps.

EDIT: Need mo batteries

Edited by S15_Silvia

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lower voltage = higher current(amperage) = more heat. i think it could be your problem.

Edited by skittlesRgood

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yeah thats the cause if the alts not helping out enough the battery has got to front the rest

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You'll need to be careful, dropping that low can cause clipping.

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  • 3 weeks later...

If I was you I would Upgrade my electrical, get a bigger alt. and a extra battery for the back, but that is IMO.

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If I was you I would Upgrade my electrical, get a bigger alt. and a extra battery for the back, but that is IMO.

EDIT: Sorry for the Double Post, mouse hand got alittle trigger happy.

Edited by cubs_fan0718

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06 Impala SS
Kenwood Excelon DDX593

Ampere Audio 150.4

Ampere Audio 5K
1 XS D4700 (front)
Mechman 320a Alt. w/ Big 3

Lots of Second Skin Damplifier

Under Construction for 2017

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  • 2 weeks later...

What size power wire is running to your amp, and what wire is recommended for your amp?, sometimes when the amp lets say recommends 2 awg wire, and you give it 6 gauge wire there can be a big pressure build up in the wire and cause it to get hot and melt and also can make the voltage drop more because it is stressing, ive experienced it before with a friends car the wire melted around the fuse block. also what size fuse do you have on the wire also, if the fuse its too big for the wire it can mess up also.

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