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  1. 08-14-2011, 08:30 PM #1
    Arm&hammer
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    Default swap question.

    I have a 1998 honda civic ex. My car is obd2a. d16y8 motor
    I'm looking at getting a 2000 honda civic ex d16y8 but it is obd2b.
    From what i understand there is two wires that are missing in the engine harness to the harness that goes in the car. Rpm gauge and something else. what would i have to do to get the harness to work in my car?
    With the obd2b harness the tach will not work, i will not be able to read engine codes, reverse lights will not work, and the radiator fan will not work.
    what is the easiest solution?
    Last edited by Arm&hammer; 08-14-2011 at 09:14 PM.
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  2. 08-14-2011, 08:50 PM #2
    Bacon
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    Couldn't you just run the two wires and use an OBD2B ECU?
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  3. 08-14-2011, 08:54 PM #3
    Arm&hammer
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    Default

    i was going to use that ecu and that harness, but how would i run the wires and where?
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  4. 08-14-2011, 08:56 PM #4
    Bacon
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    Sounds similar to running VTEC wires on a non-VTEC car...just run a wire or two from sensor to the point on the ECU. Find a pin out chart for the ECUs you are working with.

    Others will know a lot more than me but that's what it sounds like.
    Quote Originally Posted by Echonova View Post
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  5. 08-14-2011, 09:08 PM #5
    Arm&hammer
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    Default

    i'm not trying to run it to the ecu; i'm trying to run it to the car. but i don't think that the dizzy has the wire that i need to run so i'm kinda stumped on this. and i can't use the obd2a dizzy because it will not plug into the obd2b harness.
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  6. 08-14-2011, 09:15 PM #6
    Arm&hammer
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    i have the obd2a engine harness but it has been cut up so i don't really want to use it, would it just be easier to just use the obd2a ecu and harness on this motor?
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  7. 08-14-2011, 10:24 PM #7
    Bacon
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    One of these may help

    OBD2 harness
    Quote Originally Posted by Echonova View Post
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  8. 08-14-2011, 10:57 PM #8
    Arm&hammer
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    that's mad expensive. it would be easier and cheaper if i just switched the motor to obd2a. also one more question, is there any differences other than the harness between the 99-00 motor and the 96-98 motor.
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  9. 08-14-2011, 11:15 PM #9
    silversol
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    yes you will need 96-98 harness the plugs on the car are not the same, the newer y8 will drop right in yes the dizzy plug is diffrent, just use the harness/ecu/ dizzy that the car came with
    Hella stock member!
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