pshojo Posted December 2, 2012 Report Share Posted December 2, 2012 Help please. I have 1993 cutlass supreme with 12 pin DLC connector that has orange, black, green, and white/black strip wires. I'm assuming black is ground, orange is power. Green and White are?? I am wanting to wire this up to OBDII connector to make the swap for a friend. I just figured out the 16 pin, the couple wires are throwing me. Location Quote Link to comment Share on other sites More sharing options...
RobertISaar Posted December 3, 2012 Report Share Posted December 3, 2012 the OBD1 connector isn't wired the way you think.... there's no +12V in it. you'll need to flip it around and look at the mating side and it will be like this: FEDCBA GHJKLM that's with the extra indexing edge on the bottom. A is always ground, M is always 8192 baud communications, B(if present) is used to switch between various modes in certain cars, E (if present) is used for 160 baud and in some cases 8192 baud data). anyways, those are the pins that are always going to be present, ones other than that are application specific. Quote Link to comment Share on other sites More sharing options...
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