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ls-vtec in a 96 ex civic coupe, do i need a new Si

Discussion in 'ECU's, Electronics, and Tuning' started by brasilianstreet, Apr 1, 2004.

  1. brasilianstreet

    brasilianstreet Senior Member

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    well i got an obd II b16 Si vtec head, integra ls block , b16 Si JDM hydro tranny and other parts and it getting built to be put into my 96 ex civic coupe and i was wondering if i need a new Si ecu or a Si wireing harness?
     
  2. pissedoffsol

    pissedoffsol RETIRED

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    you have to use your ex wire harness, and add a wire for the knock sensor- and then, you need a vtec ecu.

    the p2t si ecu won't plug in to your harness- it is obd2b, your car is obd2a. you will need a conversion harness.

    but i'd recommend going to obd1 and running a p30 or a chipped p28
     
  3. brasilianstreet

    brasilianstreet Senior Member

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    how can i do this^ is there a web site or place you reocmend to go to or call to get all the stuff i need ?
     
  4. BseriesKllR

    BseriesKllR Senior Member

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  5. katman

    katman Member

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    Here's my diagram(s) for wiring up VTEC on a 96-98/OBD2a vehicle (you can ignore the other sensors listed there since you own an EX):

    http://www.ff-squad.com/tech/wiring/wiring.96-98.jpg
    and
    http://www.ff-squad.com/tech/wiring/wiring.96-98_a-plug.jpg


    btw, you dont need to wire in a KS because all 96-00 EX coupes have a KS.

    If you need an OBD2a->OBD2b jumper harness, hit me up :)
     
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