HA Motorsports custom adapter/jumper harness for installing one of our OBD1 Auto ECU packages into 96-99 Acura Integra with B series engine and B series automatic transmission. The 1996-1999 Integra with automatic transmission has a separate transmission control unit (TCU) from the factory. Using this custom jumper harness, you can install one of our OBD1 AUTO ECU packages while retaining the factory TCU to control your automatic transmission. * Uses all OEM connectors for OE quality fitment and durability. The OBD2A plug (large plug housing) will plug directly into your stock ECU/PCM connectors, and the OBD1 connectors will plug into the new OBD1 AUTO ECU.
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QUESTIONS & ANSWERS
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Will this work for a b16 swap using the LS trans in a 99 integra
Yes, as long as you use one of our OBD1 AUTO ECU packages, and an OBD1 94-95 Integra TCU.
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How exactly Does this work? I Have A 1996 Integra LS with S4XA. Do I just use a OBD1 manual ECU like P28 S300 and it splices the necessary signal to the factory TCM? Or do I need a dual ECU setup And an OBD1 Auto ECU to act as TCM The description is just a little vague I would like some clarification
Your 96 Integra auto already has a separate TCM from the factory which controls the transmission. This harness just adapts your OBD2A ECU plugs to OBD1 so that you can use an OBD1 ECU. Your TCM is OBD2, but an OBD1 TCM can simply be plugged in it's place. You cannot use a P28 ECU as it won't communicate with the separate TCM. You will need to use our OBD1 AUTO ECU package for this: https://www.hamotorsports.com/collections/hondata-s300-obd1-ecu-packages/products/s300-auto-package