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OBD1 b18 in to 98 Ek OBD2a HELP! ASAP

Discussion in 'HYBRID -> EG-EK / DC' started by Ek Crazy, Jun 24, 2009.

  1. Ek Crazy

    Ek Crazy New Member

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    I have just got a OBD1 GSR engine out of a 95 integra for dirt cheap and im putting it in my ek civic ..engine is in and im at a stand still on the re wiring of using my stock si harness,i have the OBD2a To OBD1 conversion harness ready to go with my p72 ecu, my problem is : After taking a closer look at my ek harness i found my alternator plug is a 3 wire not a 4 wire like the alternator already on the b18 engine .Do i have to run a wire to the ecm(A19) to fix this (wanting to keep the obd1 alternator) any help anyone.... [​IMG]
     
  2. werdupEGs

    werdupEGs New Member

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    I believe the 3 wire alternator is an obd1 and 4 wire is obd2 right? There was a comparison picture online somewhere.

    That's kinda wierd.
     
    Last edited: Jun 24, 2009
  3. 97h22dxcoupe

    97h22dxcoupe senior member

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    i would just use your old alt. it should work just fine...
     
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