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Thread: 4age alternator pin out

  1. #1
    Senior Member squish_m8's Avatar
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    Dec 2008
    Name
    Kieran
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    SA
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    Default 4age alternator pin out

    Car - 71 pano

    motor - bigport 4age

    use - pretending to drive in the garage

    problem - loom didn't come with alternator plug so i dont know which way to wire it up to the main engine relay. also I have been told the alternator is from an ae93 smallport if that makes a difference and I have found an sv21 plug that fits but wires are different colours
    so basically i want to know which pin is which.

    occurs/started when - i am trying to wire up the alternator

    personal situation - wanna get it finished so i can do some skidz

    Cheers

  2. #2
    Veteran Nikkojoe's Avatar
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    Dec 2008
    Name
    Tom
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    Perth
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    Default

    quick search found this:


    ( B+ ) - Battery Post - Heavy gauge wire that connects to the battery.

    ( S ) - Sense - Used to sense voltage across the battery to prevent overcharging. Usually connect this to the battery post wire as it goes to the battery too (saves wire).

    ( L ) - Lamp - Alternator charge Lamp (Turns off when alternator starts charging).

    ( IG ) - Ignition - 12V Ignition Switched Source

    4ac voltage regulator on the strut tower has the lamp and ignition wires on that plug, so look for:
    Black with yellow - IG
    Yellow (or Yellow with white) - Lamp

    Connect the associated pins together and you are good to go
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