chevelle3504speed Posted July 19, 2014 Report Share Posted July 19, 2014 Hey guys, I am about to start putting an L67 in my 95 Cutlass Supreme. I have most everything figured out I think; however, I'm unsure of the data link connector. How do I splice in the obd 2 dlc plug using the original obd 1.5 wiring under the dash? I have to add a wire to the plug for class 2 data, right? Thanks, Andy Quote Link to comment Share on other sites More sharing options...
95 vert Posted July 20, 2014 Report Share Posted July 20, 2014 When I did mine, I used a 96 Cutlass dlc connector. All the existing obd1 wires were the same color. The "UART" wire I had to add to the C100, pass it thru the firewall and splice it to the obd2 dlc Quote Link to comment Share on other sites More sharing options...
chevelle3504speed Posted July 22, 2014 Author Report Share Posted July 22, 2014 I see. Thanks for the information. Quote Link to comment Share on other sites More sharing options...
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