I have a b18b1 Block With a B16A2 Head all Obd1 i have this wired up with a gsr harness and a p28 but i am having a problem with a few extra connectors that dont go anywhere 2 are grey and 1 is green they fit on the throttle position sensor and map but which ones do i need also will i be needing a knock sensor. thanks i will try to get pics.