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Amp Blowing fuses...WTF?!

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Old Jun 14, 2007 | 12:10 AM
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Default Amp Blowing fuses...WTF?!

I just got my new subwoofer in yesterday (its a Kicker solobaric L5) and I hooked it up to my amp (Power Akoustik 2200Watt). Well, all yesterday, it sounded great..no problems, until alst night..i was driving and it cut out. So I figured maybe my amp over heated. Well I got home and cur my car off then turned it back on and it was back on again. Well, on my way to work this morning it did the same thing...shut off. So I put my car in neutral, tunred it off, then turned it back on...it came back on. When I went to go to lunch today, it did the same thing (you know the story now.) Well, I got off of work today to find out that everytime it cut out it had nothing to do with amp overheating or anyhting..my fuses were blowing. ( blew all 3 of tehm, they didnt all go at one time...everytime my woofer shut off that was a fuse blowing.) Evidently when you cut off power to it and turn it back on (the amp) it goes to another fuse? Well, I put 3 new fuses in it...and in my driveway all three blew...I cranmked my car...one gone...turned it off then turned it back on...another one gone...my woofer plays for like a split second then blows a fuse..>WTH is going on?


So I guess after you jsut read alll that ____...I needa know how I can stop this ____ from happening?!
Old Jun 14, 2007 | 01:23 AM
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hmmm... are you sure you grounded the amplifier correctly?
Old Jun 14, 2007 | 01:25 AM
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Well, I got the local car audio place to run all the wires for me, the only thing i did was actually plugging in the wires from teh amp to the speakers. WOuld a bad ground cause this? if so, I can do back and they'd check it for me for free.
Old Jun 14, 2007 | 01:26 AM
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shouldve went back as soon as fuses started blowing...
Old Jun 14, 2007 | 01:27 AM
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Well I was kind of on my way to work, etc...place was clsoed by teh time I got off...all that good jazz.
Old Jun 14, 2007 | 03:46 AM
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im having this same problem but they dont blown when i have my 1 mtx 15 in but blow wheni have my two 12" pioneers in my problem is how i wired them is there anychange this sub is dual voice coil>? and you wired the subs wrong?
Old Jun 14, 2007 | 04:01 AM
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I think blown fuses happen when the positive power source touches a ground source.

Check the wires again, they may have a peeled off insulator or skin. Check connections on each device and terminal.

What I would do is let the ones who installed it fix that problem. So if more problems occur, you can sue their a$$.
Old Jun 14, 2007 | 05:04 AM
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Do you have it on the stock head unit? It might be the remote wire.
Old Jun 14, 2007 | 07:52 AM
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i blame PA for crap amplifier
Old Jun 14, 2007 | 11:24 AM
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sounds like u need a bigger ground, u never mentioned what gauge your power wire or ground is. a good rule of thumb for me is have 4gauge power wire and 0gauge ground,
Old Jun 14, 2007 | 11:50 AM
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The power and ground are both 4 guage.
Old Jun 14, 2007 | 12:45 PM
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where are you gains set at??
check ground/power wire

take it back to the place you got it done
Old Jun 14, 2007 | 12:46 PM
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and wtf?? you are supposda use thae same gauge wire for power and gound.
Old Jun 14, 2007 | 04:27 PM
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*cough* Short Circuit *cough*
Old Jun 14, 2007 | 04:30 PM
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*cough* bad install *cough*
Old Jun 14, 2007 | 04:41 PM
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it could possibly be the remote wire is not attached to a remote turn on lead. but thats not whats bothering me . what is confusing is that the sub plays a split second then off with a blown fuse. that leads me to believe the amp is putting out way to much power for or the sub drawing to much power from the amp and thus the blown fuse.

its a fresh install the only other thing and best bet would be the power / remote wire grounding out. thats the best possibility with the amp coming on i know its not in the main power wire or you wouldnt have anything at all, its once the remote wire turns on the sub plays then blows.

1- where are the fuses located that are blowing?
2- are they the correct amperage for the application?
3-without turning on the radio do you have a red, green whatever light on the amp to show that its connected?

and yes power and ground need to be the same size wire. ground should be as short as possible to elliminate ground loops (alternator whine)

www.the12volt.com
Old Jun 14, 2007 | 05:06 PM
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Just out of curiousity, are you running a two channel amplifier in bridged mode at 2 Ohms? That usually results in popped fuses. You didn't say what type of amp you're running, other than that it's Power Acoustik, but almost all mutli-channel amps will not be stable at 2 Ohms if they're bridged. And since your sub is a dual voice coil...yeah, that'd be my guess.
Old Jun 14, 2007 | 11:20 PM
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Yeah, its bridged two cahnnels, but it says in the manuel that it is stable at 2 ohms, just not one.

Anyways, I got it back form the guys who ran the wires for me...ground is good...he said that one of the voice coild or something liek that is blown in my woofer. So he said what happened was the amp is too big for the woofer and it was stretching so much that one of the wires on the back of the woofer touched the magnet...he said anytime that happens im going to blow a fuse. When I turn my sterios on, it works, I jsut can't turn it loud without a fuse being bloen and that's teh reason why.
Old Jun 15, 2007 | 01:15 AM
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same thing happend to me when i installed my 2 12" comp vrs tha damn thing melted my fuse first..then the holder was melted as well...soo...i got the 4 gauge wiring kit i had 8 before on the old system and reran it...after alot of advice i learned that u gotta make sure the wires grounded well or it will keep blowing fuses...its either 1 of those 2 things...
Old Jun 15, 2007 | 03:13 AM
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By the way, sorry about the one million typos in my last post haha, I was in a hurry.
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