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HELP ME! wiring for VTEC

Discussion in 'ECU's, Electronics, and Tuning' started by blink1_8_2dude, Jul 15, 2003.

  1. blink1_8_2dude

    blink1_8_2dude Senior Member

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    ok i just got my b18c in and mounted woohooooooo!!!!!!!! any way ive got everything wired except what needs to be wired for VTEC becuase i simply dont know how to do it, can someone please tell me exactly what wires i need to find and exactly how to do it.

    My car is a 95 integra my new mtor is an OBD-1 b18c my old motor was an OBD-1 b18b.

    THANKS
     
  2. blundar

    blundar Senior Member

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    it's going to depend on which ECU you are using to run the motor.
    Assuming you have a JDM/USDM P30 or P72, you will need to add wires for:

    -Vtec solenoid
    -Vtec pressure switch
    -knock sensor

    If your motor has the wack ass secondary butterflies in the inatke manifold, you will need to add a wire for the IABs (Butterflies) and make sure you have a P72 ECU.

    If you are using a chipped P28 to run the car, you can omit the KS wire. P28s do not look for a knock sensor.

    You can look up which pins on the ECU these are by using the wonderful "ECU pinout guide" on the main page.
     
  3. blink1_8_2dude

    blink1_8_2dude Senior Member

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    does the vtec pressure switch have 2 wires coming out of a green socket on it?????????
     
  4. blundar

    blundar Senior Member

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