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Thread: Wireing UHF to Radio Accessories wiring?

  1. 6th January 2013, 08:06 PM #1
    Babs Guest

    Wireing UHF to Radio Accessories wiring?

    Hello All, Happy New Year.


    A little advise please, I need to hook up the UHF radio and want to put it on the ignition accessories my question is - if I tap into the earth and power wires on the radio deck will it give any interference on either the radio deck or the UHF?

    Or would I be better tapping into the cigarette lighter wires?

    Cheers,

    Babs.

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  2. 6th January 2013, 08:20 PM #2
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    Homestar
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    On both my vehicles, I have just used a multimeter at the fuse box to find an ignition source and used that. Earth can go onto any decent grounded point. I doubt you will have any issues with interference with what you have planned.

    Cheers - Gav
    If you need to contact me please email homestarrunnerau@gmail.com - thanks - Gav.
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  3. 6th January 2013, 09:50 PM #3
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    carlschmid2002
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    I used the cigarette lighter for my ARB compressor. For my UHF I have it wired live all the time using a Mulgo X Box so I don't need the key in a emergency.
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  4. 6th January 2013, 09:57 PM #4
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    Basil135
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    I would wire it to a permament 12v supply, direct to the battery, via a fuse.

    Saves having to switch the ignition on if you need the radio. If you loose your keys, or the ignition stuffs up out the back of no-where, and the UHF is the only means of comms that works, then being able to use it without the key could be paramount.

    Even leaving a UHF on for a few days, just receiving, shouldn't drain your battery too much.
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  5. 7th January 2013, 02:49 PM #5
    Davo
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    There's always been this idea that both positive and negative leads for radios should go straight to the battery to provide "clean" power without any interference, but I don't know if that's still the case with a modern car and a modern radio.
    At any given point in time, somewhere in the world someone is working on a Land-Rover.
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  6. 13th January 2013, 09:35 AM #6
    Babs Guest
    Cheers Guys

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  7. 8th July 2014, 08:35 PM #7
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    VladTepes
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    Could someone be more specific please - how to wire my Icom direct to the battery - where an what size would the fuse need to be?
    It's not broken. It's "Carbon Neutral".


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  8. 9th July 2014, 06:43 AM #8
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    There should be a fuse in the power lead, close to the radio. Usually around 5 amp.

    I always add another fuse at the battery end, the next size up. So 8 amp. This is to protect the cable to the radio.

    You want as sort a distance as possible for this one, to give maximum protection.

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