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Question about Infinity Reference 7541a Car Audio Amplifier

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02 Dodge Durango Infinity (stock) system

The Stereo has started making popping and snapping noises and no matter what component I am using( cd, tape, or raido) it sounds like a raido that is not properly tuned in. At low volume it is very noticeable. It has the built in amp. and I do like to turn it up loud, so I figured it was on it's way out. I bought another one (used from an 04), but it is also making the exact same noises. So I am inclined to think it isn't the stereo that is the problem, but I have never had a problem like this. (All speakers are brand new as well). Any advice would be helpful.

Posted by emchire on

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Anonymous

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This is not an easy diagnostic ,companies hide these amps in special places,amp needs to be check faulty fuse,ground or connections

Posted on Aug 22, 2007

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The stock amp would be useless if you are going to uprate the rest of your system. Because you will play it louder. You could use it to drive the front door speakers, but I would remove it and fit an upgraded item that will actually improve your system.If you are going to install a new head unit then there is a very real chance that the amp in the new head unit will be better than the one installed by the manufacturer.
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Stereo crackles

A little more detail. Do you mean speakers are crackling. Most likely blown the factory speakers. These are very cheaply made. And if you play music loud often they will blow easy. Is it completely stock system. If you relaced your stereo with an after market it may be the wrong ohms for the speakers or to much power and you need better quality speakes. If not coming in clearly make sure your antenna is tight and your wire harness are are connected securely. Let me know more details. Do you have infinity sound or not. Any after market components. Or completely stock.
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How do i hook up an after market stereo in a 1998 dodge durango slt with an infinity sound system w/amp

get an adaptor kit for the stereo wiring. it will plug directly into the factory harness and vertually eliminate cross-wiring.
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Some factory radios have external amplifiers for the sound. I would check all the fuses in the vehicle and see if one is blown. That would be my guess. When the main was replaced, it might have sent a strong enough current and popped a fuse to your amplifier.
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