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    Author Topic: 4/5 Pin ECU  (Read 500 times)

    Offline 60K T/A

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    4/5 Pin ECU
    « on: August 11, 2007 - 03:30:24 PM »
    What is the difference between the 4 pin and 5 pin ECU's?
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    Offline Chryco Psycho

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    Re: 4/5 Pin ECU
    « Reply #1 on: August 12, 2007 - 02:20:53 PM »
    the 5 pin used an external resisiter as in double ballast resister to drop voltage to the 5th pin , the 4 pin box used a resisiter internally to do the same thing so it only needs the 2 pin ballast
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