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obd2>obd1 conversion

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Old 11-11-2005, 02:49 PM
  #11  
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Default Re: obd2>obd1 conversion

Here is the diagrams. You will need to switch to a Y8 or Z6 manifold with a 2 wire IAC. http://www.turbod16.com/viewtopic.php?t=3572
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Old 11-21-2005, 06:37 PM
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Default Re: obd2>obd1 conversion

I have your harness

OBD2b - OBD1

I bought the wrong one for my car lol

$50 shipped
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Old 11-23-2005, 03:34 PM
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Default Re: obd2>obd1 conversion

csaddict- your link says all AT vtec, and non vtec cars use a 3 wire. does this mean his dog-o-matic? Y8 has a 2 wire? ---- obdII
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Old 11-23-2005, 04:44 PM
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Default Re: obd2>obd1 conversion

just unplug it and look at the wires and you'll know either 2 or 3

lol
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Old 11-23-2005, 05:47 PM
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Default Re: obd2>obd1 conversion

Automatic Y8's have a three wire IACV. Even more of a problem is going to be the fact that you have an auto car and the ecu harness has 4 plugs and an auto p28 ecu only has a place for 3. So you plug it all in minus that plug and your all happy that it starts up, but your gonna be really pissed when you try to drive it and the damn thing will not let you shift out of park. Without that fourth plug, plugged into the ecu, you have no auto tranny functions. But that is ok, your sort of in luck, cause there is a company that now makes an OBD2 -> OBD1 "AUTO" conversion harness. Check out http://www.rywire.com/store/product_...products_id=57 It's not a cheap conversion harness, but sometimes you have to pay to play. Ok, so now your happy cause you got it all figured out, you just have to do the 3 wire to 2 wire conversion on the IACV, BUT WAIT!!! there is no spot to mount the 2 wire IACV on the auto Y8 intake manifold because the auto one is on the throttle body So what's the answer to this one you ask....well, it's Thanksgiving, not Christmas and I am not gonna tell you everything. Why is everyone spoonfeeding you info? I have no idea and it is actually blowing my mind.





Oh switch to a maual Y8 intake.....Merry Christmas ******!!
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Old 11-23-2005, 06:37 PM
  #16  
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Default Re: obd2>obd1 conversion

hell id drill some holes in it and mount the y8 IACV on it lol
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Old 11-23-2005, 06:49 PM
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Default Re: obd2>obd1 conversion

Originally Posted by CivicRacerX7
hell id drill some holes in it and mount the y8 IACV on it lol
You do know where the holes are located right? They have to line up with the throttle body and it is bored at an angle. I say let him send you the manifold and if you can get them to line up properly and tap the holes and all that jazz, then go get your motor back from your builder and assemble that ****** yourself, LOL Seriously, it might be something that is doable, but it is not going to be as simple as picking up a drill and making some holes. Not IMO anyway.

*edit* I guess if you had an old TB you could bolt on and use it as a guide for the one hole that is angled it might help.
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Old 11-24-2005, 11:14 AM
  #18  
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Default Re: obd2>obd1 conversion

His car is a stick, i would NEVER put a turbo on an auto car. Unless it was a GN.
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Old 11-24-2005, 02:41 PM
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Default Re: obd2>obd1 conversion

Originally Posted by sohcpwr
csaddict- your link says all AT vtec, and non vtec cars use a 3 wire. does this mean his dog-o-matic? Y8 has a 2 wire? ---- obdII
So WTF does this mean then, sounds like to me your asking if his auto Y8 has a 2 wire IACV
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Old 11-26-2005, 07:38 PM
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Default Re: obd2>obd1 conversion

OHHH i get it now. I didnt know what dog-o-matic meant. It means AUTOmatic. Yea on the link it said that auto's and non vtecs used a 3 wire, but it didnt say what the MT cars used. Were good now, thanks to all that helped
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