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capacitor shorting out my car?


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dspoppa 
Member - Posts: 20
Member spacespace
Joined: November 16, 2005
Location: United States
Posted: October 24, 2009 at 4:56 PM / IP Logged  
I was on 95 south, driving at about 75 and my car died. I had just replaced my subs, and when its working it while hit pretty hard, then pop the shuts down for seemingly no reason. it trips at the battery terminal circuit breaker for the system, I disconnected the system by the breaker and drove it another 250 miles without a problem, flip the breaker, and itll hit a few seconds and sudden death to the car. please help as I have to continue to fl tomorrow and itd be nice to have some music. Thank you DJ 
DYohn 
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Joined: April 22, 2003
Location: Arizona, United States
Posted: October 24, 2009 at 6:44 PM / IP Logged  
It's probably not a cap but if you thnk it is, remove it from the system.
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haemphyst 
Platinum - Posts: 5,054
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Joined: January 19, 2003
Location: Michigan, Bouvet Island
Posted: October 24, 2009 at 8:04 PM / IP Logged  
You didn't actually tell us whether you had a cap or not...
If you have a cap, remove it, as suggested, and try it without... I doubt also that it is a cap issue, but more likely you have wired your woofers incorrectly.
It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."
dspoppa 
Member - Posts: 20
Member spacespace
Joined: November 16, 2005
Location: United States
Posted: October 24, 2009 at 8:09 PM / IP Logged  

Ive checked the wiring, and it all checks out, wouldnt that just short out the amp, and not the whole car? i have 1 of those cheapy 3 farad cap, a power acustics. cap

haemphyst 
Platinum - Posts: 5,054
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Joined: January 19, 2003
Location: Michigan, Bouvet Island
Posted: October 24, 2009 at 8:48 PM / IP Logged  
Pull it... try it without.
It all reminds me of something that Molière once said to Guy de Maupassant at a café in Vienna: "That's nice. You should write it down."
m50sniper 
Member - Posts: 8
Member spacespace
Joined: October 24, 2009
Posted: October 24, 2009 at 9:20 PM / IP Logged  
I would recommend NOT putting a capacitor on because it's useless other than looks. All it does is draw current from your battery and then when your amp turns on it just shoots all that current out and charges again and so on. Capacitors were designed for bridged AC to DC circuits not constant current flow circuits so like I said. VERY pointless. Don't mean to dump on your parade.
dasbogie 
Silver - Posts: 514
Silver spacespace
Joined: September 30, 2006
Location: Pennsylvania, United States
Posted: October 25, 2009 at 9:08 PM / IP Logged  
Who dumped in here?  Can you explain your bridge from ac to dc comment?  I am not being smart here, I'm actually being quite stupid and curious of the theory.  In the realm of capacitors, it would be nice to have a sticky in this forum on the facts(of capacitors) and not the myths.  Pros and cons, that type of thing.  I have had a few different brand caps installed and in one vehicle i had a parasitic drain on the battery.  The kind where you park the car over night, wake up the next day and the car won't start.  Thought it was the cap.  Blamed that p.o.s.  and uninstalled it.  Still had the drain.  Swapped out the big beefy alternator for the stock one luckily I still had.  Problem solved.  Wow, I don't think I helped the original poster here.  Sorry about that. 

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