i might need some help from you guys

[230kaccordcoupe]

so i did the 6 speed mt to my 1999 accord coupe v6, swap flywheel, clutch, pressure plate,etc. everything that is needed, except for the harness, cant find any info or diagram for putting the car to thinking its in Park or Neutral, or is there a way to alternate from P/N to Drive with a switch so that the engine can start. i know that there is a harness you can get but i can live with no vtec, rev lim, and reverse lights, speedo, and richie seems to be long gone, just need to get the car started, i think it has to do with the auto neutral safety switch but im not sure.