Question about Autotek SS290.2 Car Audio Amplifier

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Amplifer I have a autotek ss290.2 amplifer and one day I turned the car on, and the amp does not work, there is no sound and the led light is on , and it is red, protect mode, not understanding why this is happing?

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Recheck your ground make sure it has a good connection most of the time this is what it is

Posted on Feb 11, 2008


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Control modules are very sensitive to poor grounds, it causes the current to ground through compnents and damage them. Get a wiring diagram find the grounds and repair them first.

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This can be speaker wires touching, poorly grounded amplifier, battery power is too little for amplifer or speakers wired below minimum amplifer impedance.

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I have a red light right next to my ground remote and power wire Connecters and it comes on red and then turns off what's my problem

Ok, need more information, but I will tell you what I am assuming. I assume you are talking about an amplifier. Does it work after the light goes off? If not, It sounds like your amplifer is either going into protection, or that your amplifier is malfunctioning.

If your amplifer is going into protection, you need to check wiring. Most amplifiers go into protection if they sense an amperage anomoly (ie. fluctuating high and low, or overload). This would be a good thing because it's protecting your amp. But it's also frustrating, because now you have to find the problem. If your issue is wiring, I recommend starting from scratch. It's a pain, but will save you the frustration of checking every little thing and there a lot of things to do with the wiring. Always use a multimeter when checking for good ground placement. This tends to be a leading problem with amps shutting down. Also, inadequate guage wiring can also be an issue. Happy Hunting.

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1 Answer

I have everything hooked up correctly and cleanly, but when i turn my truck on the blue light flashes on then off and my subs do nothing. I don't know if its shorting out or what is going on.

sounds like a loose ground, or a loose positive cable or possibly a blow inline fuse, and the only power your unit is getting is from the remote. triple check all your connections. use your senses, smell the amp, smell for a burned order, this usually identifies if it is something internal. but it sounds like in your case (from experience with) a bad ground. If your gound or positive is connected but not tight it may be enough to power the remote circut, but not good enough to handle the actual turn on (Click) of the circut. powering the led light usually takes about .5 amps, but powering the turn on switch usually takes anywhere from .5 to 20 amps, then the inital charging of the capacitors that are internal on every amplifier... that quick charge pulls a decent amount of curren fast (usually the first 2-3 seconds) to fully charge a small amplifer after it has clicked on. hopes this helps

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The radio and the cd turns on but no sound comes out after having the battery replaced. The vehicle is a 05 Mercury Mariner

radio runs off two power wires, one full time power and one switched power check to see which is working. turn the key to acc. and see if power stays on with car off, check all fuses. open the hood and look at battery cables, look to see if everything was hooked up right and if there is a amplifer in your car could be a fuse on the line to the amp either next to the battery or next to the amplifer.

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Fisher Model CA-270 amplifer. Audio select not working.

When you state that you can not select a device, do you mean that there is no sound, or that the device selection is not happening? A few more descriptive details will help here.


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1 Answer

Clarion stereo in1997 mercury marquis wiring hook up to amplifer

make sure the speaker wires in the car do not have one side grounded.the output on the clarion is a floating output and cannot be grounded.the best solution is to look at the wiring on each of the speakers,and match them out to the ones on the clarion.the most common colr code is white front left,gray front right green rear left and purple rear right.each speaker has a plus and minus.mixing them up will result in the speakers being out of phase and result in poor bass performance.i would wire the wires directly to the clarion using crimp connectors.the first thing i would do is power up the stereo out of the car to 12 volts,and using a speaker make sure you have sound coming out.the yellow wire which is the clock/memory is a must to be connected to constant 12 volts or no sound can result

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1 Answer

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If Theres No Sound Comeing From Your Speakers At All Fully Check Your Wires For Any Breaks Or Connectivity Problems To The Head Set Or Power Supply Also Check Your Fuses If Problem Persists Let Me Know With What You Looked At And Ill Try To Talk Your Through. Hope This Is Of Some Help To you

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Problems with the rca's on phoenix gold 500.2 amplifer

squeeze the outer cup prongs a bit tighter or replace the cable with a new on that fits tight.

Apr 01, 2009 | Phoenix Gold Tantrum 500.2 Car Audio...

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