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CN2 serial cable connection?

Old 01-21-2006, 08:51 PM
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Default CN2 serial cable connection?

okay i have a chipped p28 and a serial datalogging cable, the ends of the cable are labeled and i had always kept the cable plugged into the ecu but for some reason i unplugged it and can't find the diagram that Keven sent me with the ecu and cable that says what wire goes where.
can anybody help?
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Old 01-21-2006, 09:48 PM
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Default Re: CN2 serial cable connection?

take a picture of the end of the pin. Does it have a brown wire on one of the ends? If so, that side is the CN1, and goes torward the ECU plugs.
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Old 01-22-2006, 01:37 PM
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Default Re: CN2 serial cable connection?

the wires aren't all together. they are all seperate with their own piece that slides over the pins. need to know what order they go in. they are all labeled what they are like ground, Tx, Rx i just need to know the order they conect to the ecu.
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Old 01-22-2006, 01:46 PM
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Default Re: CN2 serial cable connection?

TX to pin 4 of CN2
RX to pin 2 of CN2
Ground to pin 1 of CN2
+5V to pin 3 of CN2
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Old 01-22-2006, 04:52 PM
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Default Re: CN2 serial cable connection?

thank you soo much
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Old 01-22-2006, 05:10 PM
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Default Re: CN2 serial cable connection?

OK good stuff. I thought they would be already installed in a female 4-pin header connector.
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Old 01-22-2006, 11:17 PM
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Default Re: CN2 serial cable connection?

Originally Posted by 93turbo16
OK good stuff. I thought they would be already installed in a female 4-pin header connector.
that would have been a whole lot easier.
i better write the order on the inside ecu cover so i don't lose it
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