ok so i have a 90 integra da9 my car is equieped with pr4 obd1 and i was buying a pr4 but looks like is an obd1 cuz mine has a green socket and two blacks and the obd1 is 3 black sockets and it has the same connector as my 95 civic obd1 so i bought a pg7 can i use it on a 90 integra i was told the pg7 was for a 88-91 something like that can i use it