Aftermarket Radio Wiring?

Electrical & Ignition

  1. dodge68charger

    dodge68charger Well-Known Member

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    Is The Starter Relay A Suitable Spot
    To Get Power From The Battery
    ( Yellow Wire) For An Aftermarket Radio?

    Running One Of Them Stock Looking Ones With The Modern Stuff Inside

    The Red Wire I Can Wire To Keyed Ignition On The Fuse Box.

    Thanks
     
  2. Kern Dog

    Kern Dog FBBO Gold Member FBBO Gold Member

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    The 3/8" stud is constant power. I'd suggest using a fuse if you use that terminal.
     
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    • Nacho-RT74

      Nacho-RT74 FBBO Gold Member FBBO Gold Member

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      Is the radio a regular one and not some speciall high powered one?

      You can use the stock red wire being used for the stock radio for the regular operation, which is already fused.

      For the constant source which normally is just to hold memories ( stations, audio presets ) you can get the power from fuse block which already gets some sources for that, or even from ammeter ( black side ). No need to get power from outside the cab.

      If you don't get a free source on back of fuse box at this moment, you just need to get a female/male terminal On the new radio wire to be inserted onto the batt buss bar provision and splitt the power from there.

      Like these

      https://terminalscheap.com/piggyback-disconnects

      Or use some splitt terminal like some of these

      https://terminalscheap.com/double-male-single-female

      Your fuse box could already have some stock wiring with those "piggiback" terminals disposed without actual use so a regular terminal will make the job

      5REVCRKfcw5mtO_F8HRkbUh3Ah6QJB5ehFJcvVk1s5f9Xq5Mt4ge7k3hHqjtWcNHfiiHnTk0e8NPn2NH7HE_iqh_P2CiGOjS.jpg

      You can make the same for the Radio main source running to an ACC source of the fuse box, but having the stock radio one so close I think is cleaner. Dunno if you are replacing the stock one or installing down the dash and keeping the stock one in place and operative too.

      Modern radios even more powerful than the stock ones are more efficient with the load required. They don't suck more than the stock one. ( actually they use to use less load )
       
      Last edited: Feb 23, 2021
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      • diesel_lv

        diesel_lv Well-Known Member

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        I'm using a vintage style aftermarket stereo w modern internals, Bluetooth, USB etc... I used round fuse adapters at the fuse block and connected switched power to the radio fuse and constant power for memory to the cigarette lighter fuse. The adapters slide over fuse end and then snap back in fuse slot. No cutting and very easy.
         
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        • dodge68charger

          dodge68charger Well-Known Member

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          Do You Have Pictures?

          Mine Is An Aftermarket One With The Same Sort Of Stuff

          Thank You
           
        • diesel_lv

          diesel_lv Well-Known Member

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          No pics, but here is the fuse adapter I used. Screenshot_20210223-135539_Amazon Shopping.jpg
           
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          • dodge68charger

            dodge68charger Well-Known Member

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            I Will Purchase One Of Those Tonight..Thank You!
             
          • dodge68charger

            dodge68charger Well-Known Member

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            Appreciate The Help Guys!
             
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