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<blockquote data-quote="jrgolfpro" data-source="post: 6735162" data-attributes="member: 620448">The temps drop to around -5 below at night at the coldest right now and during the day it&#039;ll creep back up to around 20 or so above.... I would think that the Optima would be able to start the car just fine though if its only been sitting out for a few days but I know there&#039;s a definite decrease in cranking power to the point where I&#039;d be afraid it&#039;d be dead by the following the Saturday if I let it sit for the whole week... I never had this issue during the summer or up until January when the temps really got cold...Well I&#039;m going to connect the sub wire straight to the amp and bypass the cap to see if that makes any difference.&nbsp; Before I do that though, When get out of work tomorrow I&#039;m gonna go for a drive with the faceplate out like always so the amplifiers are not being powered on and also with the fuse out of the sub wire so the capacitor isn&#039;t drawing anything and I&#039;ll see how that holds up from Sunday when I get out of work till Thursday afternoon next week when I leave to drive home for spring break.I never had this issue before I installed the sub and back in the day when I just had the 4 channel amp and walmart battery I&#039;d leave my car at home and return home from college a month later after it&#039;d be sitting for extended periods of time and it&#039;d start right up.... I&#039;m almost convinced it&#039;s the cap that&#039;s causing my problems but I just don&#039;t know.... I swear its somehow pulling from the battery when the car is shut off but everything including the amps and stuff power down completely when the car is off so I don&#039;t know... My friends got a little 4 cylinder Kia with an 80 amp alternator and he&#039;s powering two 12&#039; subs with cap and amp and he&#039;s never had any issues starting his car..... he doesn&#039;t have an amp for the speakers but my stuff combined doesn&#039;t seem to be as powerful as the draw of his subs....</blockquote>

[QUOTE="jrgolfpro, post: 6735162, member: 620448"] The temps drop to around -5 below at night at the coldest right now and during the day it'll creep back up to around 20 or so above.... I would think that the Optima would be able to start the car just fine though if its only been sitting out for a few days but I know there's a definite decrease in cranking power to the point where I'd be afraid it'd be dead by the following the Saturday if I let it sit for the whole week... I never had this issue during the summer or up until January when the temps really got cold... Well I'm going to connect the sub wire straight to the amp and bypass the cap to see if that makes any difference. Before I do that though, When get out of work tomorrow I'm gonna go for a drive with the faceplate out like always so the amplifiers are not being powered on and also with the fuse out of the sub wire so the capacitor isn't drawing anything and I'll see how that holds up from Sunday when I get out of work till Thursday afternoon next week when I leave to drive home for spring break. I never had this issue before I installed the sub and back in the day when I just had the 4 channel amp and walmart battery I'd leave my car at home and return home from college a month later after it'd be sitting for extended periods of time and it'd start right up.... I'm almost convinced it's the cap that's causing my problems but I just don't know.... I swear its somehow pulling from the battery when the car is shut off but everything including the amps and stuff power down completely when the car is off so I don't know... My friends got a little 4 cylinder Kia with an 80 amp alternator and he's powering two 12' subs with cap and amp and he's never had any issues starting his car..... he doesn't have an amp for the speakers but my stuff combined doesn't seem to be as powerful as the draw of his subs.... [/QUOTE]

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