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    pleiadi79's Avatar
    pleiadi79 Posts: 2, Reputation: 1
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    #1

    Sep 5, 2011, 04:26 PM
    Alternator fr signal
    I'm using a race ecu on my honda. I would know what to do with alternator fr signal. Can I ground it in order to have alternator always working? Or I must connect to the ecu? Fr signal comes out from alternator or from ecu?

    Thanks
    Stratmando's Avatar
    Stratmando Posts: 11,188, Reputation: 508
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    #2

    Sep 5, 2011, 04:30 PM
    I would not ground it yet, I thought it may connect to positive? for full output?
    I would wait for a definite answer.
    You don't want it to be continious, you want it to stop charging when Battery is full, don't overcharge.
    pleiadi79's Avatar
    pleiadi79 Posts: 2, Reputation: 1
    New Member
    		  
    #3

    Sep 6, 2011, 12:13 AM
    Thanks!!

    I'm not sure if it is possible to positive, I think the signal is a duty cycle square wave from ecu and its came from a comparison with eld ( electronic load detector):

    From honda manual (I can post it) signal at 0 load is around 5v to that pin, but I don't understand if alternator generates it when running or is always a signal from ecu...

    Thanks david
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