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Does the unit need a permenent live supply - Car Speakers & Subwoofers

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The car stereo he need it to store the radio stations and to start the cd in the last track he are playing,but he cames with a wire specifically for that always be a yellow one in most of the brands,and the red for the switch power.

Posted on Apr 13, 2008

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How to wire sreaker system


this is the same as a home speaker system, if installing an amp and sub you need to make sure you have a pre-out on your cd/tape/radio head unit. this will look like a red and white hole usally with l and r on it,
you will need to run a male phono to phono lead from the head unit to the amp, You will also need to run a fused live 12v from your battery to the amp live input (red wire) and a remote (usally blue) from your head unit to the amp (make sure you run the live ond remote on opisite sides of the car to the phonos as they can interfere with each other).
you also need to run an earth/ground to your amp, this must not be to long, i normaly just un srew a screw in the boot and connect it to that.
once this is done you can wire up your sub to the amp making sure to match - to - and + to plus.
hope this helps

Jan 02, 2011 | Car Speakers & Subwoofers

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What do i need to stop my vehicles power source overpowering my head unit


Your vehicle's power source, (battery/Alternator), cannot "overpower" your head unit. A car's internal electrical system runs at 12 volts. Period. Your head unit requires 12 volts to operate.

The head unit will still work at 13-14 volts. If your cars electrical system was supplying more than 14 volts all your internal electrical devices would begin to fail.

You have some other problem.

Dec 22, 2010 | Car Speakers & Subwoofers

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Hi my car batries flat down and i replys the new batriess and my car stereo asking for new code thanks


If the stereo is a standard unit supplied from the factory with that car then you need to ring the manufacturer of your vehicle and explain what happened and ask for the unlock code. If the stereo has been installed by you or someone else and is not the standard unit supplied with the vehicle then you need to call the manufacturer of the stereo and ask them for the unlock code.

Nov 11, 2010 | Car Speakers & Subwoofers

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Subwoofer wont go off.....vibrates like mad


Sounds like a short circuit, check all connections and check that it will work as set up. Some will only work as a mono(i.e. you use 1 caannel not a combination of both) could also be a loose connection.Also if the head unit is off, the amp for the sub should be off. Is the amp wired to permanant live? If so this will cause this. Wire to electric aerial switch on head unit.( there will be a live wire and a switch wire on amp).

Jun 02, 2009 | Rockford Fosgate Punch Stage P110 S4 Car...

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Hi i have just fitted my unit into my car but my speaker wiring is a different colour to the one supplied with the unit and i now have no sound, is there an alternative wiring chart with the colours for a...


ok, with the speaker wires in the car you need to get say a 9 volt battery and touch the speaker wires to it and you should hear which speaker wires go to which speaker. The speaker out puts from the unit should be paired up by color all you have to do is figure out which one is left-right-front-rear.

hope this helps

Dec 27, 2008 | Car Speakers & Subwoofers

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I have a CXSGT08HP sony car stereo. It was installed by a friend at home. The memory does not work. Can you tell me which wire is the memory wire and were i need to hook it up to?


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I’m attaching a wiring diagram which hopefully isreadable. I’ll also list the “where to”instructions for all of the other wires. It’simportant that several wiring steps be done in a particular order.

About the Memory Wire:

The memory wire is Yellow and should be connected to the +12 V power terminal (which isenergized at all times). First besure to connect the black ground (earth) lead to a metal surface of the car.

Important…
>>Before making connections, turn the stereo unit and carignition off to avoid short circuits.
>>Connect the yellow and red power input leads onlyafter all other leads have been connected.
>>The power antenna (aerial) control lead (blue)supplies +12 V DC when you turn on the tuner.


Hope this helps. Lemme know if you have more questions or would like me to email you acopy of the owner’s manual.

Thanks, and take care.

Gail :-)
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Connecting the Sony CXS-GT08HP Car Stereo Unit

1. To a metal surface of the car
>First connect the black ground (earth) lead, thenconnect the yellow and red power supply leads.

2. To the power antenna (aerial) control lead orpower supply lead of antenna (aerial) booster amplifier
>Notes
>>It is not necessary to connect this lead if there isno power antenna (aerial) or antenna (aerial) booster, or with a manually-operatedtelescopic antenna (aerial).
>>When your car has a built-in FM/AM antenna (aerial)in the rear/side glass, see “Notes on the control and power supply leads.”

3. To AMP REMOTE IN of an optional power amplifier
>This connection is only for amplifiers. Connecting anyother system may damage the unit.

4. To the +12 V power terminal which isenergized in the accessory position of the ignition switch
>Notes
>>If there is no accessory position, connect to the+12 V power (battery) terminal which is energized at all times.
>>Be sure to connect the black ground (earth) lead toa metal surface of the car first.
>>When your car has a built-in FM/AM antenna (aerial)in the rear/side glass, see “Notes on the control and power supply leads.”

5. To the +12 V power terminal which isenergized at all times
>Be sure to connect the black ground (earth) lead to ametal surface of the car first.

Important…
>>Before making connections, turn the car ignition offto avoid short circuits.
>>Connect the yellow and red power input leads onlyafter all other leads have been connected.
>>The power antenna (aerial) control lead (blue)supplies +12 V DC when you turn on the tuner.
>>When your car has built-in FM/AM antenna (aerial) inthe rear/side glass, connect the power antenna (aerial) control lead (blue) or theaccessory power supply lead (red) to the power terminal of the existing antenna(aerial) booster. For details, consult your dealer.
>>A power antenna (aerial) without a relay box cannotbe used with this unit.

Nov 29, 2008 | Car Speakers & Subwoofers

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The wiring in my peugot partner does not all ow me to have my blaupunkt radio operated by the vehicles ignition


It depends on the year of manufacture of the vehicle, if it is a new vehicle it may be a can bus system which doesn't have an ignition live and you will need to hard wire a switched live either from the fuse box or the cigarette lighter is sometimes an ignition live.If your vehicle does have a switched live behind the radio you will need to swap it with the permanent live

Jul 20, 2008 | Blaupunkt Car Speakers & Subwoofers

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I have an Alpine CDA-9815 head unit installed in a 2002 Dodge Dakota. I currently have a 12" DVC sub bridged at 4 Ohms. My head unit's volume goes up to 35. When i turn in past 24-25, the head unit...


It sounds like the sub woofer amplifier is pulling down the voltage level in the truck when it starts to get really loud. It may be the voltage regulator which is probably part of the alternator, or the alternator is not capable of supplying the needed current for the amplifier. If the voltage level drops below a certain level, the radio will see it as if the battery is disconnected. It requires a voltage level of around at least 10 volts to stay turned on. When an amplifier is playing loud, it draws a lot of current. If the current supply does not increase, it lowers the voltage level to compensate and get the current it needs to play at the level the head unit is pushing it to. As the voltage level goes down, the current increases when the voltage is dropping due to increased demand. You could check this with a voltage meter and monitor the level right at the battery and have somebody turn the volume up on the head unit slowly as you monitor the voltage level. The normal operating voltage of a car while the engine is running is about 14.4 volts. It should not drop much at all, no matter how loud the amplifier is playing. if it does drop, you have a problem with the trucks regulator or alternator.

I hope this helps, if you need more assistance let me know.

Dave

Jul 08, 2008 | Alpine Car Speakers & Subwoofers

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