Original AM Radio wires

Electrical and Ignition

  1. TF360

    TF360 Well-Known Member

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    On my original 1974 radio there are just two wires a red and a orange. I assume red is + power, but what is orange?
     
  2. 67Dart273

    67Dart273 Well-Known Member

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    Orange in Mopars is dash dimmer controlled lighting. Same as your dash lights.
     
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    • TF360

      TF360 Well-Known Member

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      67 thanks. I'm installing a aftermarket radio, so I won't need the orange for anything right- just tape it off?
       
    • halifaxhops

      halifaxhops It's going to get stupid around here! FABO Gold Member

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      Might go to the after market yellow or orange if it has a dimmer feature.
       
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      • 67Dart273

        67Dart273 Well-Known Member

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        Depends.......many aftermarket radios have a separate wire for the dash lamp just like your original. If not yes, tape it off. Put it in back of your mind, IE you install an accessory gauge panel, there is your lighting tap.
         
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        • Murray

          Murray FABO Gold Member FABO Gold Member

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          If a radio has a separate light wire- then it is tied into dash lights and will dim. If a radio has no separate light wire- then the light in the radio goes on with the radio and is not dimmable.
           
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          • TF360

            TF360 Well-Known Member

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            Ok, so the aftermarket radio (older am/fm cassette) has a yellow wire that shows it going to a positive separate from the red. It does not say dimmer, but I guess it will go to the orange-right?
             
          • 67Dart273

            67Dart273 Well-Known Member

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            I would just try it...........hook it to a source and see if the light comes on LOL
             
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