Thread: OBDii connector
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Old 11-27-2021, 10:13 PM   #11
87chevy.com
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Re: OBDii connector

mann, this makes my head hurt...

instead of asking uncle jimmy's cousins dog walker for help, ask for diagrams... then you know...100% without a doubt.

pin 6 and 14 should be the communication 2500 and 2501.

swapping and trying stuff without knowing is asking to short out something.

what is pin 6 of OBD port connected to.... what ecu pin or transmission pin exactly? same for pin 14..
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