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    stay_high's Avatar
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    How do i do this??

    Blew a fuse on a power wire. Tried to replace the fuse (with wire still hooked up to amp and battery) and it sparked as i tried to fit it. IDK if this blew the fuse or not because you cant tell with the fuses i bought. So i then unscrewed the wire from the battery and tried to put the fuse in. Got it in and when i put the wire terminal back onto the battery its also sparked..and the amp wont turn on so im guessing the fuse blew. SO how the hell do i do this?? It sparks and blows the fuse either way i do it?? lol







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    Re: How do i do this??

    Thinking i need to disocnnet negative battery terminal then replace fuse then reconect negatvive batt terminal?




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    Re: How do i do this??

    Power wire is probably touching metal somewhere.



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    Re: How do i do this??

    Quote Originally Posted by stay_high View Post
    Thinking i need to disocnnet negative battery terminal then replace fuse then reconect negatvive batt terminal?
    This should help for sure. I always get minor sparks when I reconnect the negative stuff though too.



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    Re: How do i do this??

    Power wire is touching metal? So even the rubber part cant touch metal? I really hope the fuse blew and thats why the amp wont work cuz i just bought this amp used lol...




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    Re: How do i do this??

    Quote Originally Posted by stay_high View Post
    Power wire is touching metal? So even the rubber part cant touch metal? I really hope the fuse blew and thats why the amp wont work cuz i just bought this amp used lol...
    unhook the power wire from the amp insert a fuse if it still sparks then yes you have a dead short on your power wire if not your amp is bad.



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    Re: How do i do this??

    Quote Originally Posted by goingdef View Post
    unhook the power wire from the amp insert a fuse if it still sparks then yes you have a dead short on your power wire if not your amp is bad.
    Will do tomoro its dark out now. But then wont it spark and blow the fuse again when i try to plug the wire into the amp terminal?




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    Re: How do i do this??

    It will blow the fuse again if the amp is bad or the power wire is touching metal somewhere.



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    Re: How do i do this??

    Disconnect ground from battery, and both wires from amp. Ensure they are not touching, I like to wrap them with electrical tape just to be sure. Put fuse in power wire. Reconnect ground to battery. If it blows at this point, you have a short somewhere in your wiring. If it doesn't blow, disconnect ground from battery again. Reconnect your positive and negative wires to your amp. Ensure that there are no stray strands of wire between your positive and negative terminals on your amp that could possibly short out the wire. Make sure your gains are all the way down. Reconnect your ground to battery. If the fuse blows at this point, you have a short somewhere inside your amp.




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    Re: How do i do this??

    Quote Originally Posted by mazdakid View Post
    It will blow the fuse again if the amp is bad or the power wire is touching metal somewhere.
    When you say power wore touching metal, do you mean even the wire that isnt exposed cant touch metal? Or just the ends that are cut away from the rubber/insulation?




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    Re: How do i do this??

    Quote Originally Posted by stay_high View Post
    When you say power wore touching metal, do you mean even the wire that isnt exposed cant touch metal? Or just the ends that are cut away from the rubber/insulation?
    Bare wire.




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    Re: How do i do this??

    Quote Originally Posted by gckless View Post
    Bare wire.
    Well when i tried to replace the fuse, I had he wire connected to the battery and the amp. The terminal on the amp is metal. So mabey that was it? Ground, speaker wires, remote, and rcas where also connected to the amp at this time.




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    Re: How do i do this??

    Quote Originally Posted by stay_high View Post
    Well when i tried to replace the fuse, I had he wire connected to the battery and the amp. The terminal on the amp is metal. So mabey that was it? Ground, speaker wires, remote, and rcas where also connected to the amp at this time.
    Disconnect ground from battery, both power and ground wire from amp, and all other wires/cables from the amp. Ensure the power wires that were disconnected from the amp are not touching, I like to wrap them with electrical tape just to be sure. Put fuse in power wire. Reconnect ground to battery. If it blows at this point, you have a short somewhere in your wiring. If it doesn't blow, disconnect ground from battery again. Reconnect your positive and negative wires to your amp. Ensure that there are no stray strands of wire between your positive and negative terminals on your amp that could possibly short out the wire. Make sure your gains are all the way down. Reconnect your ground to battery. If the fuse blows at this point, you have a short somewhere inside your amp.




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    Re: How do i do this??

    Quote Originally Posted by mazdakid View Post
    Power wire is probably touching metal somewhere.
    Sounds about right




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    Re: How do i do this??

    You may have bought a bad amp as well..Trial and error.The testing methods begin




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