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04 up off board help.

Scottydoggs

Scottydoggs

Killa Bee
im looking for a little help on a 04 up off board.

i need the pin #'s pcm plug to obd2 port. im using the one plug, found the one data serial line # 15. but cant seem to find the other data pin.

thanks.
 


I saw TurboSBC or whatever his name is had info on one, I PM'd him but never got a reply so maybe he'll chime in on it.
 


i found a post with the pin outs. im only seeing pin 15 as a serial data, im not seeing the other one on the same plug.
 
Alldata was a no go, just schematics. I found these pics in another thread though:
C1-1.gif


C1-2.gif


C2-1.gif


C2-2.gif


C3-1.gif


C3-2.gif


Original post:
http://www.grandprixforums.net/threads/46260-PCM-Pinouts?p=562679&viewfull=1#post562679

Damn it. you found it the same time I did, lol.
 


thats the thing, i dont have a 04 pcm. 15 gets used, then you need the other two pins as well. as per a 07-03 off board, aka going for the same wires.
 
Hmpf. I wish someone that has built one would chime in. I know the ones Bill sold were 2 plugs. You talking about that one TurboSBC made with the metal plate and diodes?
 
i just need to know what pins to use off the one plug lol im not using diodes and crap. all i know is its been done with one plug.
 


Pin 15 on C1. Give that same connector power to the IGN wires and then use one of the low references as a ground. Otherwise use the mother of all grounds on C2.
 
ive got pin 8 for ground, 15 for class data, 18 and 19 for ignition power.

if i power 15 wheres the data gonna cross over from?
 
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