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  1. #1
    Member Array
    Join Date
    Sep 2011
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    forever waiting
    Car:
    no weetek civic

    splicing into conversion harness

    this maybe be a dumb question, but i may as well ask (inb4 noob forum)

    in using an ek4 obd2a harness, with an obd2a -> obd1 conversion harness, for wiring in something like IAB, can i skip wiring into the ecu plug and splice it into the given wire for the obd1 connectors?

    so instead of plugging it into A26 on the ek4 loom, can i splice it directly into A17 of the obd1 harness towards the ecu? would it function in the same respect?
    SSpamily



    hehe

  2. #2
    Member Array
    Join Date
    Jul 2006
    Location
    Perth - Ardross
    Car:
    crx gen 1/gen 2
    I have done similar things when the conversion harness wasn't quite right. Provided the path from the ecu pin to the sensor.control is right it really doesn't matter, unless you want to have it perfect.
    anjin

    aka ian

  3. #3
    Member Array
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    Sep 2011
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    Quote Originally Posted by anjin View Post
    I have done similar things when the conversion harness wasn't quite right. Provided the path from the ecu pin to the sensor.control is right it really doesn't matter, unless you want to have it perfect.
    so ecu will still recognise the sensor? fantastic. might just do that and save the pain of fiddling with the plug for now.
    SSpamily



    hehe

  4. #4
    Green block gangster Array
    Join Date
    May 2004
    Car:
    twin GX160's
    you can wire into the conversion harness, just make sure you solder your wires and use heat shrink.

  5. #5
    Member Array
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    Sep 2011
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    Quote Originally Posted by ECU-MAN View Post
    you can wire into the conversion harness, just make sure you solder your wires and use heat shrink.
    yep fantastic thought so. what about for something that needs to be grounded? wire into a ground wire or just ground into chassis?
    SSpamily



    hehe

  6. #6
    Green block gangster Array
    Join Date
    May 2004
    Car:
    twin GX160's
    depends what that something is.

  7. #7
    Member Array
    Join Date
    Sep 2011
    Location
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    Quote Originally Posted by ECU-MAN View Post
    depends what that something is.
    touche, its vtec pressure sensor (blue/blk?), as my loom very mysteriously doesn't have it.
    SSpamily



    hehe

  8. #8
    Green block gangster Array
    Join Date
    May 2004
    Car:
    twin GX160's
    use OBDI A23 or A24 to ground the VTP sensor

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