autoaddictions said:I believe its used for the internal datalogin feature. You must send the Ecu to big stuff to have the upgrade done to the ecu. You put a switch to 12v and the orange wire. When 12v is applied to orange wire it will start internal datalogin. Thus there is no need to have a laptop in you car during a pass. NHRA rules!!!! Not unusualy inforced in slower cars. I hooked mine up and it does nothing. You have to send ecu to have memory upgrade done cost 250 bucks.
autoaddictions said:I can send you a base map for #74 injectors if helps. Did you sync your timing yet.