Question about Scosche Industries EFX Amplifier Wiring Kit 8-gauge w/Patch Cord Car Audio Amplifier

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Trying to hook my amp up in my car, I already have everything but the main power supply which is the wire to the battery.I was wondering how would i do that the right way?

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The car amp needs to be wired using a +12 power, ground, and +12v signal (rmt) cables.  the +12 volt cable needs to be connected from the posative terminal of the car battery to a fuse (the right size should be written on the amp somewhere) then to the +12v on the amp. the ground cable needs to be connected to the negative terminal of your car battery. the RMT is the more complicated one, this needs to be connected to the header unit or the ignition switch. if you look in the instructions for your header unit (the unict where you insert CD's or tapes etc) this should explain whewre exactly to connect this cable. or you can connect it to the terminal on the ignition switch which becomes live only when you turn the key, should be the third one in. this line basicly tells your amp to turn itself on when it recieves a 12v current. you can also wire it up to a manual switch directly from the battery by connecting another cable to the posative terminal of the battery then to a switch then to the RMT terminal of the amp.

Posted on Dec 28, 2008

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I have a 125.2 punch to a kicker 12 and it plays perfect when key is turned one notch but when car is started it cuts out. Why is this?


It sounds like you have the main power wire going to the accessory switch on your ignition or something. The main positive wire going to the amp needs to be run directly to the Battery Post Positive, with a fuse very close to the connection from the battery to keep your car from catching fire if the wire shorts out. If you have this already set up like this and you are having this problem then it sounds like you have a good battery but your alternator is so weak that it cannot keep up with charging the battery, powering the car and supply enough voltage and current to the amplifier when the car is running. Also check your ground wire to the amp, it needs to be as short as possible and have a good clean metal on metal connection.
Does the light on the amp stay lighted when the car is running or is it off?

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1 Answer

I have a amp from my car hooked up to a laptop power supply. It won't turn on. Everything is connected properly. What should I do


Why would you do that? If you were were going to do it properly, did you hook up the remote wire as well? Second, the voltage coming out the charger is >18 volts while the current draw on the amp is way too high for that charger.
Nonetheless, try a car battery if you want to test the amp.

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1 Answer

I dont know why my amp is not getting any power? the power light wont even come on? everything seems to be connected properly, but its not getting any power?


Make sure you have both power wires hooked up. There's the main power lead/cable going to to the battery, and the trigger wire from the accessory wire from the radio (antenna) to the amplifier. Hope that's what you were looking for. If so please rate my assistance and leave a testimonial.

Dec 30, 2010 | Visonik Dual Bass Box with Amplifier Car...

1 Answer

Soon as i try to connect the power and ground starts sparking and my fuse blows by the battery. I changed the ground cause i thought that could be it plus i tryed installing it in another car that had an...


your inline fuse wouldn't blow if there was just something wrong with the amp. the amp fuse would blow if that was the case. something is faulty with your wiring. you probably have the wires touching somewhere or are in the wrong terminals at the amp or on the wrong battery terminal. or your power wire is grounding out somewhere. its not the amp. its your wiring

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My Jl Audio 500/1, power light comes on but no power to subs


maybe it dont have enough to push it ,,did you try it before you buy it?

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1 Answer

So, everything is hooked up, the amp is getting power, but the problem is getting power from the amp to the sub, any idea what the problem could be?


Well the two main things that i think of is that your fuse in your battery wire is blown. Or that your ground wire isn't all the way connected

Jan 18, 2010 | Alpine MRP-M500 Car Audio Amplifier

1 Answer

My amp protection will not turn off i tryed almost everything?


i wish i can chat to you live so i can ask you qestions about your amp but to figure out what section of the amp might be fried it could be the power supply section could be the out put section or the in put section but i would try process of elimulation try unplugging your rca jacks and your subs unhook to your amp just the power hook up and try powering it but if the protection light steel comes on then try to remeber the last time your amp was working good and playing your subs was your amp getting hot if so you probaly fried your out put chips and not telling what else next question was you just hooking your amp up in your car and acually touch one of the power wire to the ground on your amp this happen to my friend and fried the power circuit relay chip on the power supply thats all the advice i can give but usually when the protection light comes on and you got every thing hook up right something fried

Oct 29, 2009 | Power Acoustik LT-980/2 Car Audio...

1 Answer

Stereo amp power supply


No I wouldn't share the amp feed. It should be stand alone, with its own fuse.

Yes it is wise to connect directly to the battery, hence through the firewall.

You should purchase an amp wiring kit, matched to the
watts of the amp. It has everything you need to correctly make all of the connections.

Good luck
Aduz

Mar 11, 2009 | Car Amplifiers

1 Answer

My amp is not working


For the visonik, you should check your speakers. You can use a D-cell battery. Remove the speaker wires from the amp and connect each speaker across the battery (for no longer than a few seconds). The speaker should pop each time the wires are touched to the battery. If they don't, the speaker is defective (assuming the battery isn't dead).

If the speakers are OK, you need to confirm that you have a good signal feeding the amp. You can use the RCA cables from another working amp in the vehicle. Do this with the amp that had the power light lit.

If you have signal going to the amp and the speakers are OK, the only two things left are the power supply feeding the amp (from the battery) and the amp. If you have B+ and remote voltage AND a good ground, the amp is defective.







For the pyramid, the amplifier probably has shorted output transistors. The amplifier will have to be repaired.

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3 Answers

Red LED "Protection Light is on" What is the problem


The red light means the amp is in protection mode. A few things can cause protection mode..... First disconnect the subs completely from the amp, and turn it on, if it powers up you have blown subs. Also try checking the main power wire at the battery...sometimes the current your meter is seeing is backfeeding from the remote wire, so your main power line could be blown at the fuse under the hood. hope this helps

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