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Car audio i hooked up an amp of mine and the rca jacks on the amp are causing the sub in my car to freak out why?

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The most common cause for this type of oscillation is an open shield ground. An open shield in the head unit is more common than an open shield in the amp. You need to test the shield ground with an ohm meter. The following page explains this in detail.

Temporary Shield Ground Repair

Posted on Apr 19, 2008

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Connecting sub woffer with 2 rca jacks to amp with 1 rca jack


What is the brand name and model number of your amp and sub?

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Ive got a kenwood kvt-512 n im tryin to hook an amp n subs up but dnt know where to plug my RCA jacks from the amp 2 the radio!


Your unit should have 2 plugs in the back...one for the audio and power wires to connect to your factory connections and the other plug is just RCA connections for your video, subs and front speakers. If you have a 4 channel amp and a amp for your subs, you will have to split the 4 channel amp down to 2 and run them to your front RCA connections. Subs will connect to the sub connections. If yours are not listed then you may have to track down a wiring diagram. Hope this helps.

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Can I hook up an amp and subs to a 98 pontiac gtp factory delco cd player


Yes, you will need to purchase an adapter for an ac delco radio that has rca jacks to plug your amp into

Dec 24, 2010 | Car Audio & Video

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How can i test my rca output jacks with a test light? pioneer deh p3100ub. hooked up spkr, nothing. tried one rca plug to white(lt) and then red(rt). Unit has 4 rca jacks, 2 for subwfr and 2 for front...


:) the rca jacks have to be connected to an amplifier,, their signal is too lay to even light a bulb.. you have to connect it to a car amplifier and then from the amplifier to the speakers..

Just so you'd know,, once your deck plays and you hear music on your speakers through your normal speaker wires,, RCA jacks work..

Ok you have 4 jacks,, 2 subs and 2 front.. These should connect to a preamp,, which takes 4 inputs and allows you to equalize or adjust how the music should sound,, now from the pre-amp,, it runs to an amplifier,, thats powers the subs and another that powers the speakers.. Some amps have 4 inputs so you can use one amp for your subs mids and heights..

for example a basic music system is

1 cd player
1 pre amp
1 amplifier (4 inputs, 4 channel out)

you bridge 1+2 and connect this to 1 12" double coil sub woofer

the next 2 connect to 2 mid speakers example "rockford or ev 5 / 8 " and 2 tweeters for heights..

Thats a kicking tricked out basic car audio system,,,

Hope that helps you understand how it works..


Mar 12, 2010 | Pioneer DEH P3100UB Car CD/ MP3 Player

1 Answer

How do I hook up a non powered sub woofer on my htr-5630?


You will need an amplifier or 2 channel receiver. Hook the sub out rca jack to the rca inputs on this new amp or receiver and hook the speaker terminals on sub to speaker terminals on same amp or receiver. Your Yamaha receiver doesn't have any power for a passive sub.Just pick up any old fairly high powered receiver for fifty dollars and you're good to go.I use old dolby pro logic receivers as they are a dime a dozen today. Good luck.

Feb 20, 2010 | Yamaha HTR-5630 Receiver

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THERE IS NOT 2 RCA HOOK UPS FOR THE SUBS HOW KAN I HOOK UP MY AMP SO MY 2 12S WILL HIT


If there's only a single sub-out RCA cable, you have two options. The amp may have a manual switch that puts it in Mono mode, in which case you only use 1 of the 2 RCA jacks. The other option is to go get an RCA splitter. This will take your single sub-out cable and feed the exact same signal to both left/right of your amp. Either way, you get the same result. If the 1200W amp is for your sub(s) only, you should set the high-pass filter and subsonic filters to help your bass "hit harder" and cleaner.

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Hooking to amps to a power acoustik ptid-7250n


Can you post a bit more about the components, as in the make and model of each?
  1. Head unit in the dash
  2. Sub amp
  3. Stereo amp

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Red over light is on


I believe you have a short in your RCA jacks. Try unplugging both RCA's and see if the red light goes off. Your amplifier is in what they call protection. Meaning something is causing the circuitry to fail.

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Audiobahn amp help...


You have a Direct Short in the System Between the Head Unit and the Amp. Check the Ground on the Amp and then Check all the Wires behind the Stereo and the Common Ground There. You could even have a Spot in the New RCA Cables that is Touching Metal Somewhere. Please Rate My Response! Thanks!

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The only amp wires that connect to the Head Unit are:
Amplifier remote turn on wire to Blue/white at radio
and RCA audio cords to SUB or REAR output RCA jacks.

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