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Thread: What are these electrical acronyms?

  1. 13-10-2013, 14:29 #1
    Monkeyra
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    What are these electrical acronyms?

    Below are the connections I need to find within my MR2 harness to enable me to wire up my 2GRFE ECU. Can anyone help with the acronyms?


    5th plug
    1 + - connect this to a positive supply somewhere
    3 ign - ignition?
    2 + - connect this to a positive supply somewhere
    7 + - connect this to a positive supply somewhere
    9 ign - ignition?
    8 MREL - Main Relay?
    10 FC - Fuel Pump Relay?


    4th plug
    1 Tach output - connect this the wire that leads to my speedo? (although I've got a mechanical speedo)
    8 SPD input - vehicle speed?
    30 W - Malfunction Indicator?
    33 CANH - not a scooby doo
    34 CANL - not a scooby doo
    Mk2 2GR-FE Trackday Weapon. Taxed, MOT'ed and insured! She's finished!
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  2. 13-10-2013, 20:36 #2
    Goldy
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    SPD is speed signal
    CANH and CANL are the two canbus signals,

    Don't have a scooby doo where any of them should be connected to though!
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  3. 13-10-2013, 21:32 #3
    cdwood2010
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    CanH and CanL are two of the ones you need to tap into for the OBD2 connector. They should be on the notes I sent you.

    C.
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