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No power on antenna or radio - GPS

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  • martinsgh Sep 02, 2010

    radio for 1993 cadillac deville am-fm casset standard equipment

  • martinsgh Sep 02, 2010

    no power on radio or antenna

  • martinsgh Sep 02, 2010

    fuses and relay ok

  • martinsgh Sep 02, 2010

    fuses and relay are ok for 1993 deville

  • martinsgh Sep 02, 2010

    1993 cadillac deville am-fm radio w/casset player standard equipment the fuse in the fuse box is good and the relay in the relay section appears ok

  • martinsgh Sep 02, 2010

    did you receive

  • martinsgh Sep 03, 2010

    radio is out how do i check with meter what color wire where to ground


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I will just have to give you a general answer, since there's no specific information on the unit (make, model, etc). First of all, check your power supply with a voltmeter (check the body of the unit or power supply to ascertain what the voltage should be- most are 12v). That's about all you without taking the unit apart and troubleshooting it, which is difficult, and hard to repair and get parts for. These units are basically sold as throwaways, since they're not cost effective to repair.
Good luck to you, thanks for using FixYa, and hope this helps.

Posted on Sep 03, 2010

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What is it we are working on here, make model and year

Posted on Sep 02, 2010

  • yadayada
    yadayada Sep 02, 2010

    have u checked the fuse box for the radio? if the radio fuse is blown then the antenna will not work. The fuse number is listed in the owners manual


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I installed a new radio, everything works except the power antenna??

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What does fuse called radio-b do?

If your unit has digital display as most do now, RADIO-B will supply constant power to power the units memory so it can remember the preset channels, starting volume etc. The power antenna is usually controlled by a separate wire from the unit (normally blue) this wire supplies a low voltage signal to the antenna, The antenna will also have its own power supply and earth at the base of the antenna, the problem could be there. depending on the antenna, some have a controlling relay that is separate, again another possible source. there will also be a fuse in the main fuse box. These will all need to be checked, along with connecting a power source to the antenna to ensure the antenna does actually work.

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On 2000 monte carlo is the stereo antenna powered?

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Am fm reception bad

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The external antenna on your radio is a coax (round) design It needs an adaptor and an antenna which are cheap.

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You would need to get the antenna specifically designed for your handheld. Sometimes these will come in different band splits such as 450-470 MHz and 436-460 MHz. You would choose the band split closest to the frequency you commonly operate on. Using an antenna not designed for your radio can cause problems with the radio, such as you mentioned, including beating up the internal power amp. (Same problem exist if someone presses the PTT when there is no antenna on the radio.) Contact a radio dealer who offers your type of radio for more info and to find out what types of antennas are designed for your radio.

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I have a motorola AAM25KKD9AA2AN radio. When I key the microphone the radio powers off and when I release the microophone it powers back on. If I remove the antenna, it does not do this.

Sounds like a power problem. Check your wiring and battery connections. Or if using this radio as a base station with a power supply, check your wiring and the power supply. You are likely not getting enough power to operate the radio.

By keying the mic without an antenna connected you are creating high VSWR which is hard on the radio. It reflects power back into the radio and pounds the power amplifier. The reason the radio is staying on is likely it takes less power without the antenna connected. While examining the radio, double check your antenna connections and coax.

Best regards.

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I replaced a standard antenna with an electric antenna in a 199 Ford Contour. All the mounting brackets were there, but the wiring harness was not. I need to know how to wire the electric antenna (wire...

If it is a three wire electric antenna. The Ground wire is usually black. To find out which is the trigger wire simply connect the black wire to ground and then power one of the other wires, if you here the clicking of the relay you know this one is the trigger wire and the other wire is the power wire.

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Aug 07, 2009 | 1993 Chevrolet Corvette

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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.

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