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Thread: 120 to 12v converter

  1. #1
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    Default 120 to 12v converter

    What amp do I need to run my bench top harness? some converters are as little as .5 amp. THANKS

  2. #2
    Lifetime Member TAQuickness's Avatar
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    I don't know what the PCM draws, but I picked up a 15amp for $40-$50 a few years ago


  3. #3
    Lifetime Member Garry's Avatar
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    Do you have an amp meter? I wouldn't expect the PCM alone to draw anywhere near .5Amps@12V ... haven't tried it, though ... my guess is somewhere in the 50-100mA ballpark ...
    Garry Glendown * '17 Fifty 2SS MT * 99 Firehawk Convertible (for sale)

  4. #4
    Lifetime Member limited cv8r's Avatar
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    i've bench flashed using a 12v 3amp power supply, no problems
    It's all good until it goes "Bang"

  5. #5
    EFILive Developer Site Admin Blacky's Avatar
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    You need 12V with at least 1Amp. Make sure it is a regulated power supply.
    Regards
    Paul
    Before asking for help, please read this.

  6. #6
    Guess who's back!!!! Black02SS's Avatar
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    Check radio shack. They have a regulated 3A with cigarette lighter plug as well a terminal plugs for under 50.

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    THANKS, for the replies

  8. #8
    Lifetime Member Garry's Avatar
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    Quote Originally Posted by Blacky
    You need 12V with at least 1Amp.
    Is the PCM actually using that much power??? Heck, I'm running a complete quartermile timing system with 18 light barriers etc. on 22V/.580A ... (minus the 220V lights)
    Garry Glendown * '17 Fifty 2SS MT * 99 Firehawk Convertible (for sale)

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