Question about Infinity Reference 7541a Car Audio Amplifier

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Amp stays on all the time

The amp in my car constantly stays on when the car is off and the keys are not in the ignition. even without the rem wire hooked up the amp still stays on (not even in protect mode) im pretty much at a loss of what the problem could be

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Hi. your amp has an internal power supply fault. problem lies in the remote turn on regulator circuit or with the pulse width modulating circuit.this fault definitely needs to be in technicians hands. cheers

Posted on Aug 05, 2007

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Faulty amp, Nothing to serious try and get it repaired

Posted on Dec 13, 2008

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Posted on Jan 02, 2017

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1 Answer

When I turn car off amp still stays on without keys in ignition


the constant power should be run to the battery. The "turn-on power" should be run to your radio which only comes on by the ignition. If it still comes on then your radio is wired to come on without key. Then you have to check the constant and turn-on wires for it.

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1 Answer

My amp stays on all the time when power is connected, even when rem. power wire is not hooked up


The amplifier is connected battery power so it's always on. It should be connected to a power source that is controlled by the ignition switch, 1.e., hot in START or RUN

Nov 07, 2012 | Lightning Audio Bolt B2.150.2 Car Audio...

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Amp want power off


Hello
If your Dual Car Amp refuese to switch ON check the following.
+12V wire is not connected or incorrect voltage.
REM wire is not connected or incorrect voltage.
Ground wire is not connected.
Fuse(s) are blown.
If the fuse blows repeatedly, check whether the +ve voltage wire touche the chasis of the vehicle. If it is OK, the fault is with the univt itself. That is, the output of the unit has a short. Check for any output IC failure. OK.

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Need to know the color of the memory wire in a Sony cdx-gt22w car stereo


the memorey wire is yellow. what i did i took another piece of wire. hooked them together an run to my fuse box. find something that stays on, without having to turn the key. tie the wire on one side of the fuse put it back in. turn the key on set one station turn off. wait bout 20seconds turn back on. if it dont work the first time keep trning different fuses till you get it.

Oct 31, 2009 | Sony Car Audio & Video

1 Answer

What are the colors of the wires for...Battery constant 12v...12v hot only when ignition is switched on.....ground.....and front & rear speakers + and -


ok i cud help u, the color for power wire is yellow or red, front & rear speakers is normally white & gray...the both power wire's , one is constant the other only works when u turn the key, u have too hook ur amp up to find out which is which, constant ur amp will stay on...hope i wasof help

Jul 12, 2009 | Car Audio & Video

1 Answer

No power to amp


you need to hook up the rem wire, that runs from head unit to amp its usaully a blue wire on the head unit and there should be a rem input near where the power leads are on the amp

Mar 21, 2009 | Kicker ZX400.1 Car Audio Amplifier

1 Answer

Amp shuts off when switched from radio to cd


your amps rem wire is hooked to the power antenna wire on your head unit and so when you turn off the radio you would nolonger need an antenna so it powers down and would lower the antenna.Depending on the head unit you should have one output for the power antenna and one for the amp rem......If your head unit doesn't have the rem output you can wire it to the switched wire that powers your head unit but keep in mind the amp will stay on while you have the key in acc or run position even if your head unit is off.
hope this helps!

Jan 16, 2009 | Kenwood KAC-9152D Car Audio Amplifier

1 Answer

No sound from subs.


http://www.pac-audio.com/instructions/C2A-GM24.pdf

Sounds like you have the Remote turn on hooked to constant 12V instead of a switched power.
The Blue/White wire off the module should go directly to the amplifier remote terminal.
If this has a constant 12V when the key is off, the module is defective and needs to be repaired/returned.

Jan 03, 2009 | Alpine MRP-M350 Car Audio Amplifier

1 Answer

Blowing fuses


you may have the rem wire hooked up to the yellow 12v battery wire located on your harness. try yellow to yellow and if your rem is not working correctly when is hooked blue to blue put in on the red ignition wire located on your harness. should solve the problem. or return it

Mar 02, 2008 | AudioControl KVT-911DVD Car Video Player

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