Question about Audiofonics ADF-241 Car Audio Amplifier

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Help During a recent move the +12v got disconnected. I have the amplifier hooked up to a power cap and was wondering if I ground this wire to a bolt? The gnd on the back of the amplifier was hooked up to the capacitor, did they install this the wrong way?

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From what did the wire become disconnected (amp, battery, cap...)?


Posted on Jun 18, 2008

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Amplifier : Apx1300 Watts : 300w Relayed with cables #6 from 12v battery to condenser. Relayed from condenser to + pole on the amp Condenser relayed to direct bodycar ground bolt. Amplifier relayed...


Most probably you have grounding problem.Check for bodycar ground bolt if there is any rust or dirt.If your Amp restricting voltage to 6.5 you wouldn't have 12 V on the battery terminal eather,and fuse that supply power line would be blown by now.Defiinetly check ground,as you described problem above that what sounds is like

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Nitro 483 amp where do you hook up the power it has a gnd rmt and +12v what hooks up where


Fused 12 volt power wire from the battery connects to +12V at the amp. Chassis ground wire connects to gnd at the amp. Switched 12 volt power wire (accessory) (remote turn on from after market radio) connects to rmt at the amp.

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How do i hook up my amp. the ground wire and the v 12


well, basically... the 12v (+) power wire is fused and hooked to the battery and ran to the amplifier, then run an amp turn on wire from you radio its usually blue with a white stripe (if you have an after market radio) then run the rcas from the radio to the amp and finally tap the ground (usually and cleaned bare-metal on your car close to the amp).... if you give me some more info i can help u further... what is the make/model/yr of your car, what radio do you have, amp, sub, speakers, etc....?

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My amps protection circuit keeps cutting on and off when i hook up my amp


Hello m_george191,

Usually an amp will go into protection when there is a problem with the wiring, impedance load, or when overheated. Immediately when hooked up, it probably isn't overheating.

Most likely, there's a short or ground on a speaker wire, an input, or a faulty ground to the amp itself. Frayed or broken insulation, stray wires shorting across the terminal blocks, and shorted voice coils can all cause the protection circuit to activate.

First check your power and ground wires. Then disconnect the speakers and inputs and see if the amp powers up normally. If the amp still goes into protection with all wires other than 12V +, Ground, and Remote disconnected, the amp itself is defective. If it powers up normally with all other wires disconnected, reconnect the inputs one at a time to determine if one of them causing the problem. Likewise, reconnect the speaker wires one at a time.

Hope this helps.

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Amplifier turns on but not the subwoofer?


Hello thedj3214,

You can find the color codes for a 1999 Buick Regal here. There is no dedicated amp remote wire. Neither is there a power antenna wire.

You could use the 12V "switched lead (yellow) from the radio or any switched 12V lead directly from the vehicle fuse box. I'd wire it through a dash mounted toggle switch so as to be able to turn the amp on and off manually.

The Sony 2150GSX is a 2-channel amp with the speaker terminals on either side. You do not want to ground the subwoofer itself, only the ground terminal should be connected to bare metal on the vehicle chassis or body as close to the amp as possible. The ground wire does not need to be run to the negative battery terminal.

A ground on one of the speaker leads will probably cause the amp not to power up. A ground on a speaker wire usually activates the amps protection circuit, causing it to not operate until the fault is corrected.

Hope this helps.

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Green light, No Power


Disconnect the remote wire and make a jumper at the amp from the 12v + to the remote input and see if you get the same results. If yes, then you probably have a bad ground point. It might not be able to handle the transfer load it's receiveing. If no, then you have an issue with your remote wire or power wire. Check for any kinks or pinches in the wire.

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I need installation instructions for a MTX thunder 280


BATT = 12v positve constant
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The remote wire is most commonly found on aftermarket CD players. It's typically in the main wire harness. The most common color of this wire is blue with a white stripe.

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If the ground terminal is connected to a ground wire, the ground wire isn't connected to a good ground.

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1 Answer

No sound to speakers


is the sub dual or single?check sub first then try disconnecting all power including ground for 20min to discarge caps some amps mute if driven hard at low impedience .

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