OBD conversion in a dx hatch

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Old Jan 21, 2010 | 12:56 PM
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LS-turboner's Avatar
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Default OBD conversion in a dx hatch

i got a civic hatch DX trim, first off, im getting a SI harness so i dont have to wire for MPFI, then, i want to run a OBD1 ECU/Hondata s100.
my question is, how do i back date a 97 obd2 B18b so i can run it OBD1? what will i have to do sensor wise, intake manifold, injectors(which eventually will be aftermarket), and so on. so pretty much everything i need to do to go OBD0 to OBD1 s100, to my OBD2 B18b.
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Old Jan 21, 2010 | 01:12 PM
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Default Re: OBD conversion in a dx hatch

You still need to convert to MPFI, you can't just plug in the new harness.
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Old Jan 21, 2010 | 01:46 PM
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Default Re: OBD conversion in a dx hatch

what would have to be converted to MPFi? the SI harness already is for MPFI.
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Old Jan 21, 2010 | 01:51 PM
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Default Re: OBD conversion in a dx hatch

Your Interior harness is not.
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Old Jan 21, 2010 | 02:27 PM
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Default Re: OBD conversion in a dx hatch

what has to done to the interior harness?
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Old Jan 21, 2010 | 02:27 PM
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Default Re: OBD conversion in a dx hatch

i plan to get a obd0 to obd1 jumper harness
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Old Jan 21, 2010 | 02:29 PM
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Default Re: OBD conversion in a dx hatch

what has to be done about the obd2 b18 to run obd1? obd1 dizzy and injectors? what sensors will have be used?
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Old Jan 21, 2010 | 03:36 PM
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Default Re: OBD conversion in a dx hatch

Relax bro,

You need to modify your DPFI harness. That is by far the best way to do it. It is a few wires and your done. You can use the injector clips and Resistor plug on the Si harness.


http://www.angelfire.com/d20/hcivic88/dx-siwiring.html
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Old Jan 21, 2010 | 03:37 PM
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Default Re: OBD conversion in a dx hatch

After this get your favorite Jumper harness to complete your motor swap dream.
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