im want to know what i would need besides the the harness to change the harness in my car to the harness out of a 1990 to 1992 harness. i want to get rid of the maf. and the stuped in cap coil hei diss. id rather have the map. and this way i can upgrade my ignition cuz no one make a high output ignition for my car. they make it for 85 and ealyer and 87 and later. can anyone help.