Question about Radio Shack TRC-447 CB Radio

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Mic wiring diagram

What is the wiring diagram color and function for the Realistic TRC-447? Please help, I am tryiny to wire a cobra hand power mic to work on this radio. Thanks

Posted by Mustang2 on

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  • Pickaroo Feb 11, 2008

    please help, I'm trying to wire a Cobra Mic to a 40 channel President Teddy R.

  • Pickaroo Feb 11, 2008

    Hi, please help me with wiring my Cobra Mic to my 40 channel C.B. President Teddy R. The colors of the Mic wires are : Red, White, Black, Ground[bare]. Thank You and Have a Good Day.



    Pickaroo.

  • Anonymous Mar 26, 2014

    my switched power wire for stereo has no power. wanted to just run a new one strait from ignition to head unit... what color wire wouuld i splice into? And where is easiest access? any pictures would be a tremendous help

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9 Answers

James Thomas

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I have a Realistic Cb TR-465 5 pins stander mike and want to waire a power mike to the radio.

Posted on Aug 03, 2013

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Want to wire cobra mic to a uniden washington radio

Posted on Mar 27, 2009

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HERE IT IS THE CORRECT MIC WIRING FOR THE REALISTIC TRC 447.

1.)Audio
2.)RX
3.)TX
4.)CH.Down / Shorted to Ground
5.)Ground
6.)Ch.Up / Shorted to Pin 4

Be extremely careful when wiring this radio! pin 4 and pin 6 carry voltage shorting these to the wrong place can result in serious damage to your radio.

Posted on Oct 22, 2009

Anonymous

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What is the wiring diagram for a Road Noise EC-2018 Turbo echo mic? I'm trying to hook it into a cobra.

Posted on Jan 04, 2008

Scott Rosendaul

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Try this 1- blue& shield
2-open
3-red
4- white
5- black yellow -no connection <if this doesnt work>
make black and yellow noconnection

Posted on Dec 12, 2007

  • Scott Rosendaul Dec 11, 2014

    yes, come off the transmitter with a jumper to the freq counter input, then come out of the output side of the freq counter to the input side of the amplifier

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Anonymous

Is it possible to put in line a frequency counter and a linear at the same time for cb

Posted on Jul 31, 2008

  • Scott Rosendaul Dec 11, 2014

    yes, come off the transmitter with a jumper to the input side of the freq counter then come off the output side of the freq counter to the input side of the amp, from the output side of the amp you should use a swr-power meter to set up the output of the amp

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pmcdowell994

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Radio Shack CB model TRC-447 keeps changing channels when trying to use microphone. Cannot find replacement mic available anywhere. Is there anything we can do besides replacing entire unit?

Posted on Jul 28, 2011

  • kindridblue Aug 21, 2011

    try taking the mic apart and see if the mic element has fell out and touching something when keyed up

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John Maltman

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Hi can any one help me im trying 2 put a EC-2018 POWER MIKE ON MY SUPERSTAR 3900 EFT ?

Posted on May 17, 2010

Anonymous

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I need how to a ec 2018tb to a uniden 510

Posted on Dec 31, 2008

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1 Answer

I want to wire my superstar dm452 power echo mic to my realistic trc 465 am ssb and need to know what color goes to what pin?


its a 5 pin which all radshack radios are and they are all,99% anyway, wired the same . So take an old radshak mic apart at the plug and see how it is wired then experiment from there.

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why not just buy a cobra mic,it would be easier.

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Six wire mic to a trc 495


Realistic radio mics are all , except for a few , wired the same. All you have to do is look up the wiring for the realistic 5 pin din plug . One of those wires in the mic is not going to be used the thing is which one . Connect the wires as they are mentioned in the diagram then if it doesn't work connect the last wire.

Oct 26, 2012 | Radio Shack Radio Communications

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I need to know what colers go where on the mic pin for a trc 447 thank you


I don't know which mic you're trying to wire to this radio. The colors of the wires in the mic cable may change from one mic to another, so relying on the color is not reliable. Usually you refer to these connections as Pin1 to a Signal or Function; or Jack Pin1 to Plug Pin3. No one assumes a color will always be used to connect Pin1 to TX (transmit).

With that said, I found an answer on FixYa from someone that answered the question some time ago like this:

HERE IT IS THE CORRECT MIC WIRING FOR THE REALISTIC TRC 447.

1.)Audio
2.)RX
3.)TX
4.)CH.Down / Shorted to Ground
5.)Ground
6.)Ch.Up / Shorted to Pin 4

Be extremely careful when wiring this radio! pin 4 and pin 6 carry voltage shorting these to the wrong place can result in serious damage to your radio.

Lastly, since I doubt what was provided above is going to help you very much - you can review all the info ever printed by Realistic on your radio, here. There's a wealth of info on this page and you should be able to find what you're looking for in it. You're looking to find the pinouts of the radio to the pinouts of the mic.

If you ever have to disconnect a multiconductor cable from a connector, and you don't have the time or means to write the colors down, it is better to simply cut the cable - leaving all the colored insulation of wire ends soldered / still secured to the connector. When you are ready to do the replacement of the connector or cable, you've got the wiring order in place still, and can make the new connections one at a time at your leisure.

Good luck!

Aug 11, 2010 | Radio Shack TRC-447 CB Radio

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Need to replace microphone on a Radio Shack TRC 447 CB. 6 pin Anybody know?


A great mic is the RK56 $39.99+tax in Temple, TX on Hwy 95.. And comes with a 4pin for cobras but can be wired for any radio

Aug 09, 2010 | Radio Shack TRC-447 CB Radio

1 Answer

Need a new mic for TRC447 radio Shack CB. Has a 6 pin connector


Hi Old

here is the link to wire up a different mic look on pg. 51 of this pdf.
link.http://www.cbtricks.com/radios/realistic/trc_447/graphics/trc_447_sm.pdf

hope this helps save this radio from the trash!!!


Ray

Aug 05, 2010 | Radio Shack TRC-447 CB Radio

1 Answer

I need a wiring diagram for the courier Centurion cb mic, it has a phono jack pin tip .


The center of the mic pin is your hot, and the outside is the ground. On the mic, the white wire is your hot Audio, and the shield is the ground.

Hope this helps,
J.R.

Jan 19, 2010 | Radio Shack TRC-447 CB Radio

4 Answers

Radio shack trc-447


According to the service manual for the TRC-447, the only adjustment is for "power" which is #L205. The only other step in the transmitter alignment is for the "S" meter.
On the Cobra, VR4 is AMC, L14,L13,L12 is AM power.

Jan 31, 2009 | Radio Shack TRC-447 CB Radio

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