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Is there any differance in the antenna on a 24 volt car radio versus a 12 volt system

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No

Posted on May 01, 2009

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Diagram setting up cb radio in house


That depends on your power source and what type of antennae you're using. Can you tell us if your antennae is a mobile antennae or a home/base station antennae? What is your power source, a car battery or a 120 volt AC to 12 volt DC converter? More info is good.

Mar 02, 2014 | Cobra Dynascan 21 21a 23-ch 23-channel Am...

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Dash lights arent working on a 99 explorer, fuses are fine and all the other lights work. quit working after installation of aftermarket stereo


OK, that radio use a straight or constant 12 volts a ignition 12 volts and grounds. now your radio ground might be connected to the park light wires of the car. that wire will should grounds ( - ) but when you turn on the park light it turns to 12 volts to illuminate the dashboard gear shift etc. if that is the case you're wondering where you will get grounds to collect the radio, well the antenna wire has ground, so plug and play, and the frame where the radio goes has metal, which is also grounds. disconnect the black wire from the radio and that wire you can test by turning the park lights on and you will get 12 volts

Feb 16, 2014 | 1999 Ford Explorer

1 Answer

Lexus nakamichi 12 cd player repair


follow this steps and fix it. God bless you

blem: I get noise on my car audio system that disappears when I turn the car off.
Possible Cause

Suggested Solution
Alternator or ignition noise is being picked up through the power connection. Install a 12-volt noise filter between the power tap and the power input on your car audio. Back to the Troubleshooting Index Problem: The sound distorts at high volume when I play the radio in my car audio system.
Possible Cause

Suggested Solution
The radio wattage is too low to drive the speakers. Use a car amplifier to increase the radio's power. Replace the speakers with ones which match the radio's output. Back to the Troubleshooting Index Problem: My car radio only get one station.
Possible Cause

Suggested Solution
There is a problem with the wiring. Check the antenna circuit and rewire if necessary. There is a problem with the antenna. Check the antenna and replace if necessary. There is a problem with the radio. If you received more than one station with your previous system and you have already checked the wiring and the antenna, either replace the radio or send it to a service center. Back to the Troubleshooting Index Problem: My car radio keep running hot and blowing fuses.
Possible Cause

Suggested Solution
The wires to different speakers have been combined rather than run separately. Make sure that each of the speakers has 2 wires run to it. Combining speaker wires will cause this problem. Back to the Troubleshooting Index Problem: I lose my station memories in my car radio when I turn off the vehicle.
Possible Cause

Suggested Solution
The tuner memory wire may not be connected properly. Connect the yellow wire to your vehicle battery's positive (+) terminal or to a fuse that provides a continuous source of 12 volts. This connection provides continuous power for the clock and tuner memory when the ignition is turned off. Back to the Troubleshooting Index Problem: The amplifier stays on for a few minutes, then shuts off, then comes back on, then shuts off again.
Possible Cause

Suggested Solution
It is overheating due to power issues. Check your power ratings to be sure they match the amplifier's specifications. There is a problem with the amplifier. If the power ratings are correct, the amplifier needs to be sent to a service center. Back to the Troubleshooting Index Problem: When using two amplifiers, I lose the right channel on one amp.
Possible Cause

Suggested Solution
There is a problem in the sound system or wiring. Try swapping amplifiers or bypassing that amp. If the problem persists on the right channel on both amps, check the wiring and sound system. There is a problem with the amplifier. Replace the amplifier that displays the problem or send it to a service center .

Nov 04, 2013 | Car Audio & Video

1 Answer

Got given a CB radio.. from a trucker... im in the [UK] wanting to put it in my car.. accept the voltage difference... a truck's voltage is about 24-volt's.. compared to a car.. only being 12...


I don't think there is a in accessories. The 24 volt truck systems are Cranking and Lighting. Either way you have no risk at trying the lower 12 volt car electrical. The problem is when you reverse polarity.

Aug 21, 2011 | Radio Communications

1 Answer

Cant get sound in dvd mode only in radio mode


PS: Check if you car has remote wire or anterna wire.
Details below.

A relatively common problem is installing an amplifier with a factory head unit or other head unit without a remote turn on wire (or a burned out circuit). So the amplifier doesn't stay on 24 hours a day you need a way to turn it on and off remotely. Hence the term "remote turn on wire". Almost every aftermarket head unit has a remote turn on wire. Some manufacturers call it a power antenna wire. But regardless of the label all it does is output a positive 12 volts when the head unit is turned on. It should be noted that some head units have both a remote turn on wire and a power antenna wire. It's important to use the right wire for your amplifier and other electronic equipment. In the case of both remote and antenna wires the power antenna wire will only output 12 volts when the radio is on. If you were to connect your amplifier's remote terminal to the power antenna wire then you would only get output from the amplifier with the radio. When you switch to CD the amplifier would not work because the head unit turns off the power antenna wire when the radio is section is not active.
There are several ways to get your amplifier to turn on and off remotely even if your head unit does not have a remote turn on wire. The cheap and easy way is to run the amplifier's remote terminal off of a switched accessory wire. This is the wire that your head unit uses. It is only powered when the key is in the accessory or run position of the ignition switch. When you shut the car off the wire loses power and the head unit and amplifier will both turn off. Your amp will be on when your car is on and off when you car is off. If you don't want the amplifier to always be on when the car is on you could wire a simple switch inline with this new remote wire. Normally you would leave it on so that it turns on when the head unit is on. But if you wanted to turn the amplifier off you could flip the switch to off which would stop the flow of 12 volts to the amplifier's remote turn on terminal.

Baadaye Mo

Oct 26, 2010 | Clarion VZ709 Car DVD Player

1 Answer

Wiring ??? I'm installing dual 12 volt battery's


pos to pos and neg to neg for 12 volt but if your system is 24 volt thats a different story it will be pos to neg.and pos to neg

Nov 02, 2009 | Ford F-450 Cars & Trucks

1 Answer

We are trying to install a pionere radio and without the power antena/system control wire hocked up the speakers have no sound when you hook it to 12 volts the tweeters click what should i do


The antenna wire, witch should be yellow. is not supposed to be hooked up to 12 volts. It is only meant to be used as an on censer . If that wire is the reason your speakers are not working then the stereo is defective. That wire should have 12 volts coming out of it when the stereo is on. And hooking it to 12 volts could have damaged your stereo. I would look at the wire diagram again before doing anything else.

So anyway if you are not using the power antenna wire cap it off and leave it alone. you do not need it. Check all of your connections again and follow the wire diagram.
Good luck.

Aug 08, 2009 | 2001 Dodge Dakota

1 Answer

Only door speakers have sound on the cd mode


the amp requires a 12 volt power constant, and a 12 volt "on" signal. you prolly have the 12 v "on" hooked up to the car stereo's antennae remote, meaning your amp gets power when the radio is on, cuase the radio is sending a signal to the amp (thinking that it is sending a signal to the antennae to raise)

you do have one of those collapsable antennas, right?

Mar 12, 2009 | Clarion VRX745VD Car DVD Player

1 Answer

Amp turns off


your radio has 2 blue wires. one of them provides a 12 volt turn on for a power antenna (when a cd is inserted that 12 volt turn on turns off, because when a cd is playing, the antenna doesn't need to be raised up). The other blue wire has a 12 volt turn whenever the radio or the cd is turned on--this is the blue wire that you need to connect to your amp remote line. ( pull out the radio and switch the blue wires)
respectfully,
Merle

Sep 12, 2008 | Kenwood KDC-MP4028 CD Player

1 Answer

Antenna Power supply


First order of business is to check and see if the antenna is operating properly. If the wire in your harness is intended to power the antenna, connect 12 volts to this lead, and the antenna should go up (this needs to be done with the key in the ON or ACCY position). If the antenna does not go up, check the fusebox for a blown fuse. If the antenna does indeed go up, then you can scratch that off the list of possible problems and move on to the next step.

The Clarion should have a power input wire to keep the clock alive, and a power wire (normally of heavier guage) to actually power the radio. Make sure the radio operates when the key is in the ON or ACCY position. If the radio is operating, so far so good.

I'm kind of confused when you say there are two wires on the clarion... "power antenna turn-on" and "auto antenna". Are these both on the clarion? There should be a wire that constantly feeds the antenna with power (I would cal this one auto antenna). It should always be powered to 12 volts. The antenna should operate when the "antenna turn on" lead becomes 12 volts. Normally this ONLY happens when the clarion RADIO is on (ie: if you're listening to a CD, the antenna probably won't get activated).

After checking all this, if you're still having problems and if you haven't already done so, grab a DC volt meter and verify that the clarion power antenna turn on lead goes to 12 volts when you turn on the radio. If it does not, then there is an internal problem within the radio. If this lead IS going to 12 volts when it is supposed to and the antenna still isn't working, then my guess is that the antenna is malfunctioning.

Let me know what you find out... I'll keep looking at stuff from this end. Good luck.

Apr 19, 2008 | Clarion DB175MP CD Player

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