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The amp is blown because the power cable and the ground cable were put back backwards.

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Ok well like i told the other guy if u no its blown just replace it and hook it up ur self

Posted on Apr 05, 2008

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I have 2 10" Sony Explod Subs and a 1000w amp. My fuze was blown but i bought a new fuze that was stronger. My system is still not working.


the amp has power, ground and emote turn on? is the amplifier lighting up? is it going into protection?check the wiring to the amp before you suspect a bad sub and amp

Nov 01, 2012 | Sony Car Speakers & Subwoofers

1 Answer

My 12 inch speakers stopped working I bought new speakers and amp it still doesnt work could it be a power issue?


well does the amp power up when you turn your key on and when you turn the radio on? if so check your RCA cables they might not be carrieing a signal. if the amp is not powering check your main inline fuse to see if its blown, also make sure to clean your ground wire connections as well. a dirty ground will cause your amp to not turn on also.

Aug 20, 2011 | JBL GT150 Car Subwoofer

1 Answer

How do you connect the amp with the stereo


  • Choose where to put your new amp. If you are installing subwoofers it's usually best to put the amplifier in the trunk next to or attached to your subwoofer enclosure. If you are going to power your main car speakers with the amplifier then it may be better to put the amp under the passenger's seat.

  • 2

    Purchase the following wiring for the amp: A thick power cable (the thickness required depends on the total wattage of your amp, ask a sales rep or consult your amplifier's manual for the proper gauge) that will have to reach from your battery to the amp (the power cable should also have an inline fuse to protect the amplifier); 3 feet of ground cable of equal thickness as the power cable; an RCA signal cable to carry the left and right signals from your head unit to the amp; a "remote on" wire which can be any thin wire (20 to 24 gauge) that will also run from the head unit to the amp; speaker wire (if you are powering subwoofers you should only need about 3 feet of 12-gauge wire per sub, if you're going to power your main speakers you will need enough 16-gauge wire to reach each speaker from the amp, 12 feet per speaker is usually safe).

  • 3

    Gather the following tools: Screwdrivers, wire cutters, wire strippers, pliers, a utility knife, sandpaper, masking tape with a pen for labeling, 2 crimp-on o-ring ends for the power and ground cables. If you're hooking the amp to your speakers, you'll also need 2 crimp-on female spade connectors for each speaker.

  • 4

    Find a manual with instructions on taking off the dash of your car (not the whole dash--just the head unit, in order to hook wires to the back), and also to get at your car's speakers if you are hooking the amp to them.
    The Installation

  • 1

    Disconnect the ground (negative) cable from your battery. Never work on the electrical system of your car with this connected.

  • 2

    Attach the side with the fuse of the thick positive (+/red) power cable to the connector on the positive terminal of your battery; the o-ring can be sandwiched in the bolt on the connector that connects your car to the battery. Now put the fuse in the fuse holder.

  • 3

    Run the power cable through the firewall of your car (there is usually an opening on the driver's side) and to your amplifier. If your amp is in the back it is usually best to run this wire under the plastic molding that goes along the bottom edge of your car. Be careful where you run the wire because the power cables should never be near the signal or speaker wires.

  • 4

    Find a metal bolt or screw on the metal of your car near the amp to connect the ground cable to. This should be as close to the amp as possible, never more than 3 feet. Unscrew it and clean the metal surface with sandpaper. Attach the ground to it with the o-ring and screw it back down firmly.

  • 5

    Remove your head unit and run the signal and remote on wires from behind the head unit to your amp. Connect the RCA connectors and the remote on wire to the back of your head unit.

  • 6

    (If you are installing subwoofers and not running your normal speakers off the amplifier skip to step 7.) Run the 16-gauge wire from each one of your speakers to the amplifier. On the amp side use the masking tape to label each wire so you know which speaker it is. On the speaker end-strip a 1/4 inch off the ends of the wires and crimp on the female spade connectors with your pliers. Connect the spade connectors to your speakers making sure to match the positive (+/red or white) with the positive terminal and the negative (-/black) with the negative one.

  • 7

    Connect everything to your amplifier. Only strip off as much as you need off the end of each wire to make a solid connection, you don't want any exposed wire hanging out. If you have subs, attach them to the amp with the 12-gauge speaker wire.

  • 8

    Secure your amp to something. If it is in the back you can screw it directly to your subwoofer enclosure. If it is under a seat you may just want to get some straps that hold it down.

  • 9

    Reconnect your car's negative cable to the battery. Test your system and make sure everything works, going around to see that every speaker is on before you put everything back together

  • Feb 17, 2011 | Car Speakers & Subwoofers

    1 Answer

    Just got a used boat with a JVC KD S590 stereo and a JVC KS AX302 amp. The stereo works fine with the in boat speakers but the tower speakers do not work, I checked them both on another system and they...


    take a digital volt meter and check the power cable and ground on the amp to see if you are getting any power . should read 12.5 or more if no power then check fuses and the ground connection

    if you have power then replace the equipment that not working

    Oct 29, 2010 | Car Speakers & Subwoofers

    1 Answer

    The amp works subs turn off after they are turned up restart and they are back on. Is it a bad ground.


    Can't say for sure it is a bad ground but does sound like you have a intermittant connection some where. So I would start by taking the fuse out at the battery terminal, then disconnect and reconnect your power cable to the amp, disconnect the ground wire to the amp then reattach, then do the same on the chasssis side. Do the same with the remote wire. Put the fuse back in and test .

    Sep 20, 2010 | Car Speakers & Subwoofers

    1 Answer

    I have 2 12" solobaricL7 kickers and a audiobahn2200HCT and the amp clips before it gets very loud. is my power wire too small?


    You should be useing 4 gauge power wire from your battery to the fuse holder, and from the fuse holder to the amp also 4 gauge, make sure you are also useing a short (18 inches or less) 4 gauge ground wire also. Make sure you are providing a GOOD ground, try to ground to the frame!!!!!!!
    If you cannot ground to the frame, connect to the body of the vehicle close to the amp,drill a hole where needed and scrape paint or any coating around the drilled hole, then solder a ring terminal onto the gound wire,then put a bolt,lock washer and nut through the ring terminal through the drilled hole and tighten sufficiently to the vehicle!!!
    Also what comes to mind is make sure the subs are in good condition(not blown) make sure they move freely without any scratching from the voice coils as you depress the cones in and out!!!
    Depending on the vehicle you made need to upgrade the alternator and battery.
    Make sure the battery has good cables and ground also, no corrosion,loose clamps,etc.
    Good luck !

    Mar 14, 2010 | AudioBahn Immortal AWIS10P Subwoofer Car...

    1 Answer

    I have this same problem


    Check the power with a volt meter. The battery power, then the remote power. Also make sure it's grounded properly. bad grounds cause mayhem.

    Sep 14, 2009 | Pyle BZDBP212 Car Subwoofer

    1 Answer

    I just tried to install a KAC-7204 amp and I hooked the power directly up to the battery and grounded the unit and the power light indicator doesn't come on and no power is coming from the actual amp. What...


    You need to connect the ACC cable from the head unit to the amp. It is normaly a blue cable, you may have to extend it depending where you have mounted the amp. The ACC cable 'tells' the amp to switch on when the head unit is powered up.

    It could also be a blown fuse either on the amp itself or within the wiring for it. You should have used a power cable with a fuse block built into it, check them out.

    Regards
    DarkmanUK

    Let me know how you go.

    Sep 07, 2008 | Kenwood Car Speakers & Subwoofers

    1 Answer

    Basslink


    make sure ur ground cabke is as large if not larger then ur poweer cable.

    Oct 11, 2007 | Infinity BASSLINK Car Subwoofer

    8 Answers

    SUBWOOFER NOT WORKING?


    if you have real old wires from the amp to the sub try getting new wires on it. check the little wires that go to the cone itself on the sub. sometimes they can manage to get pulled out of their terminals and make sure that thier touching the terminals on the correct spot

    Sep 29, 2006 | JBL GT150 Car Subwoofer

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