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Ground wire has burned plastic cover on my amp

Well i guess the ground wire was kinda loose and the wire was making contact with the plastic cover in witch the wire goes into on the plastic cover on the amp and it has melted the plastic cover on the amp where the ground goes in and the plastic cover on the ground wire aswell what can i do 2 fix this problem

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What type of terminal is on the amp. screw or slip on type?

The plastic does not carry any type of ground. If your ground wire was melted, that means you have a 'hot' wire shorting across the ground somehow causing a short. This causes excessive heat like an 'arc' welder.

You might want to check your power wire to make sure its not making any contact to ground. Make sure any foreign debris is not causing a 'bridge' between the 2 posts.

If your terminals (or place where you hook up power and ground wires) are in good shape, re-wire and turn on the unit.

Posted on Feb 16, 2009

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Your not getting enough power to your amp and this will damage them for sure! Also your amp needs to have it's own separate wire that goes directly from your battery to the amp! If you run your power wire for your amp any other way you are asking for major electrical problems. You need to have a piece of 8 Ga. wire running from your battery all the way to your amp, also need to have a very good ground very clean and making contact fully through another piece of wire the same size as the + wire from your battery! This is so important that you do this simply because if the wire is too small it will get hot from the current draw by your amps that it will eventually melt the jacket off of the wire and short out or even catch on fire! That sound your hearing is the amps cycling through power up and shutting down since they need 12 Volts of constant voltage and a constant source of current flowing through the wire it will start to power up but once both amps draw from the wire they loose the power needed to stay working, then they do it again, etc... Rewire your amps with large enough wire or if you are using the correct wire then I would suggest checking your battery and then your alternator for problems of under voltage. Hope this helps, always make sure to place a fuse in line from you battery + terminal no further than 18" from the connection to you battery and use a fuse that is rated for the WIRE being used. Your trying to keep the wire from burning up that's all that the fuse is for. The fuses on the amps are to keep your amps from burning up they are not protecting that wire at all.

Aug 20, 2013 | Jensen Car Audio & Video

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I have a JL 1000/1 and the low ohm light switch on and off.. The terminal connector is slightly loose.. with a jiggle of the ground wire the amp switch back to GREEN and plays normal..

Check the ground wire to the car make sure that you have bare metal and that the contact between the car and the wire is good. Ensure that the ground wire is in all the way. What size ground wire are you using. I would say don't use smaller than 4ga for a 1000 watt amps.
Also has the amp been screwed or velcroed to the box? Sometimes amp connections become loose from the vibrations of the bass. So it's possible it might be an internal issue or that the wire isn't in all the way.
I would suggest also taking the amp completely out of the car and inspecting the terminals to make sure they aren't loose or corroded.

Mar 06, 2011 | Jl Audio 1000/1 Car Audio Amplifier

1 Answer

My amp keeps blowing its fuses whenits plugged in

Go over all your wiring. Make sure your power wire isn't grounded somewhere. If your power wire is touching any bare metal it will spark and blow the fuse the second you touch the power to your amp. Make sure your in-line fuse is about a foot from your battery, and make sure you have your ground wire grounded securely to the main chassis of the car/truck and that it is either same size gauge as your power or even a little bit bigger gauge. Also make sure no strands of wire from your ground or power wire are loose and reaching over touching the other where you plug them into the amp. If the ground and power touch eachother they will blow the fuse and possibly cause permanent damage to the amp.

Jan 06, 2011 | Pioneer Car Amplifier GM-5100T - 2CH 760...

1 Answer

Power cap has power amp protect light is on ?

If there is a protection light then you have a bad power or ground connection. First thing I recommend you do is to get a regular test light with a ground alligator clip and test for a ground on your power cable. The way to do this is to place the alligator clip to either your amp turn on wire which is the small blue wire coming from your radio to turn the amp on or another powered wire and place the tip of the test light to the main power cable that powers the amp or the Capacitor and if your test light lights up then you have to trace the power cable from amp back to battery + terminal and see where the power cable is pinched or making a ground contact also check your blue amp turn on wire and see if it has a ground to it. If all this checks out then check your cars battery terminals, make sure they are not loose, corroded, rusty or damaged check fuses or take out amps fuses and reinsert to see if it resets, check all ground connections on amp and cap,if none of this works for you then you might have a defective cap or amp.

Good luck.

Jun 19, 2010 | Sony Xplod XM-554ZR Car Audio Amplifier

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How can avoid interference of radio stations in the Amplifier?

Well if it is a humming noise (also can kinda sound like a turbo whining)

its more than likely a bad ground on your headunit or amp check that the amps ground is put on a solid part of your cars metal and get some sand paper and get the paint off before u ground it

other things to check before u go out and buy a filter is
check that the person who installed your stereo/amp DIDNT run the POWER for the amp next to the RCA leads or speaker wire this can cause alot of interferance too and isnt recomended at all .. power wire should be run on the other side of the car to the speaker wire and rca leads

if that fails to rid the interference you can go to anygood car audio store and ask for a filter for the rca leads and also a ground and power filter to elimantae annoying interference

also check that your airal is grounded correctly to the body of ur car over time it can become loose or corrode

hope this helps

Jan 27, 2010 | Pyramid PB1281X Car Audio Amplifier

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I have a 2002 galant. for some reason every time i install a new amp in my car it stops working after a few days. any ideas?

Hello d4n_r1ch1,

You don't say what exactly happens to the amps.

Is it the same make and model of amp each time? Do they fail gradually? Do they overheat? Do they go into protection mode? Do any of the fuses ever blow before the failures? Are there any "burning" smells or melted plastic parts?

In any event, I'd suspect some kind of wiring problem is killing the amps. Inadequate grounding, operating below or above rated voltage, and overcurrent are the most likely causes for failure. You can check the ground and the voltage with a multimeter. Overcurrent is usually caused by operating the amp into too low impedance. Again, that is something you can check.

Hope this helps.

Aug 24, 2009 | Pioneer Car Audio & Video

1 Answer

All wires are connected but i have no power to my amp.

Hello laramoe,

For the lowest resistance connection, your ground wire needs to be in good solid contact with bare metal of the vehicle frame or body within about 18-24" from the amp. The ground is probably the most important connection you'll make to the amp. A bad one will not only rob your amp of the current it needs for best performance, it could result in damage to the amp or the vehicle itself. The ground should be the FIRST connection you make, and you should spend some time making sure that it is a good one. At the absolute minimum, you should test the "resistance" between the negative battery terminal and your intended ground point. Anything above about 5 ohms and you should look for a better ground. 2-4 ohms is OK, but you'll lose some input current and that means less output. I like my meter to read 1 ohm or less, before I'm really happy with the ground connection.

You may need to pull back plastic panels and/or carpeting to get to the metal. Then, find an existing bolt or screw that goes into or through the metal (a seat bolt is good, and most trunk, hood, and many dash screws go into metal). If you are unable to find an existing screw or bolt, you can drill a hole and attach the ground with a new "self-tapping" sheet metal screw. If you do decide to drill, use a drill stop and be VERY careful around any lines or hoses. Use sandpaper or a small Dremel grinder to remove any paint, undercoating, or soundproofing materials from around the hole. Crimp the ground wire to a "ring" terminal and put a toothed lockwasher under the terminal. Make sure that the head of your screw is sized to completely surround the ring terminal and tighten it until the lockwasher bites slightly into the metal. DO NOT overtighten, or it will strip and come loose. If you wish, you can cover it with dielectric grease (like mechanics use on battery terminals) or you can seal around it with silicone. You can also spray-paint it with a corrosion resistant paint. Rust Oleum flat black works well.

Hope this helps.

Jun 12, 2009 | Koiiler XM-7676W Car Audio Amplifier

1 Answer

Ground wire burnt plactic cover on amp where wire goes in


Feb 16, 2009 | AudioBahn A2300HCT Car Audio Amplifier

1 Answer

My amp wont turn on

try this it may help
the amp body may need to be grounded in addition,
try screwing it to contact a metal surface or run the ground wire to the amp body and then loop it to ground terminal have fun

Jan 07, 2009 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

Amp stopped working after ground accidentally disconnected

yup check the fuses and the turn on wire ... usually if you knocked 1 wire ya got 2 ... the amp turn on would be a guess

Sep 22, 2008 | Kenwood KAC-729S Car Audio Amplifier

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