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Thread: Help with alternator wiring

  1. 21st July 2011, 03:41 PM #1
    PeterP's Avatar
    PeterP
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    Help with alternator wiring

    I am using an old Rangie alternator on a small motor for charging batteries out at the block. Bosch 14V 55Amp

    All pretty straight forward big brown wire (B+) to battery +ve, small brown/yellow (D+) to +ve via an alternator lamp, earths in place, should be all that is required.

    Can anyone tell me what the white (#1) one coming from inside is used for?
    There is also a black terminal (#2) with a round push on post, any ideas?

    Thanks,
    Peter
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  2. 21st July 2011, 03:53 PM #2
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    langy
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    # 1 should be a tacho output,

    # 2 might be to engergise the field coils - ie switched 12v+ from ignition (in the rangie wiring loom at least).
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  3. 21st July 2011, 04:47 PM #3
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    bee utey
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    This is an XE-XF Falcon alternator. The small round terminal fed the auto choke heater element and can be used as a tacho output in the Rangie. I suspect the person who fitted the alternator originally didn't know this and added the white wire as well. Disregard both if not being used in a Landy.
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  4. 21st July 2011, 04:56 PM #4
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    clubagreenie
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    Looks like a BXF1255 or 65. White is added for tacho, B/Y is the voltage sense wire so run from as you said. But the black I'm not sure, I used to mad these with the tach wire a dozen at a time but never had that, if it's got continuity to the body it's just an added earth. Check with multimeter.
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