OBD1 ECU diagram or something needed ? ?

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Old May 31, 2006 | 06:33 AM
  #1  
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Default OBD1 ECU diagram or something needed ? ?

Ok I took out my ecu last night, and one of the pins came out and im not sure which slot it goes to, wonderin if anyone can help me, I have obd1 jumper harness, and theres 4 empty slots available, so if anyone with an obd1 crx, can take a pic for me of what their harness looks like, or point me into a direction of a diagram. Thanks ! ! !

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Old May 31, 2006 | 07:03 AM
  #2  
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Default Re: OBD1 ECU diagram or something needed ? ? (Vtakkk)

I made my own harness using this. You should be able to figure it out, using it.

http://www.knology.net/~jediklc/obd0toobd1swap.htm
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Old May 31, 2006 | 07:28 AM
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take a pic of what its connected to on the other end (the female end of the conversion harness)
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Old May 31, 2006 | 09:10 AM
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Default Re: (crx_88_si)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by crx_88_si &raquo;</TD></TR><TR><TD CLASS="quote">take a pic of what its connected to on the other end (the female end of the conversion harness)</TD></TR></TABLE>

Its the 2 wires that are outta place





Modified by Vtakkk at 10:52 AM 5/31/2006
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Old May 31, 2006 | 09:40 AM
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lol so which one on the obd0 side is it?

cant tell ..
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Old May 31, 2006 | 09:53 AM
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Default Re: (crx_88_si)



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Old May 31, 2006 | 10:19 AM
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ok.. it looks like b15 and b17 (obd-0) match up to those two wires that are popped up a little. But what i dont understand is why they are attached at the other end to the same pin ?

my charts tell me that

b15 goes to a21
b17 goes to a22

my charts say it goes beside the black wire on the connect that is still connected. one top and one bottom.
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Old May 31, 2006 | 10:27 AM
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Default Re: (crx_88_si)

are there different harnesses or something ? ?

so your saying that the 17/15 on urs are in a place thats already being used on mine by other wires ? ? Im confused.


Modified by Vtakkk at 12:45 PM 5/31/2006
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Old May 31, 2006 | 10:44 AM
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i say just plug the bugger in and start the car, see what code pops up, lol (tape that wire off first tho!)
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Old May 31, 2006 | 11:46 AM
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Default Re: (crx_88_si)

problem is car wont start ever since I ripped out the ecu, and I dont have a diagnostic jumper harness to see what code im throwing, this really sucks.
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