TRANSMISSION IDENTIFICATION ASSEMBLY CODE TO TRANSMISSION 1985 BA ME9 BS ME9 OB ME9 BX ME9 BN ME9 1986 GBA ME9 GBE ME9 GBM ME9 GBT ME9 1987 7FKH ME9 7FNH ME9 7FSH ME9 7FTH ME9 7HCH ME9 1988 BBKH ME9 8BTH ME9 8FSH ME9 1989 9WRH ME9 9BHH ME9 9BTH ME9 9BXH ME9 9WUH ME9 1990 OWMH ME9 OBHH ME9 OBWH ME9 OWPH ME9 1991 1YMW M13 1BC M13 1BS M13 1YZW M13 1992 2BTW M13 2YMU M13 2YZW M13 2CLW M13 2CSW M13 2CXW M13 1993 3BTW M13 3CLW M13 3CSW M13 3CXW M13 3YMW M13 3YZW M13 1992 GENERAL MOTORS SERVICE PARTS OPERATIONS BUlCK 44C t 4 000 4 6 8 92