B CAR ECM COMPONENT CROSS REFERENCE CHART CONT D PRODUCTION SERVICE SERVICE PRODUCTION PRODUCTION BROADCAST CONTROLLER CALIBRATOR CALIBRATOR ECM CODE ECM PROM PROM CODE 1988 16050391 FWZ 1228079 16077563 7947FWZ 16068881 ACFK 1228079 16077203 0088ACFK 16070983 ADAY 1228330 16122177 7524ADAY 16070993 ADAZ 1228330 16077527 7528ADAZ 16071003 ADBA 1228330 16077532 7533ADBA 16077181 AHWH 1228079 16077203 7204AHWH 16077191 AHWJ 1228079 16077207 7208AHWJ 16084761 AKYD 1228063 16083464 3465AKYD 16084771 AKYF 1228063 16083468 3469AKYF 16085001 AKZW 1228022 16143119 3505AKZW 16085011 AKZX 1228022 16143120 3509AKZX 16085221 ALFU 1228022 16084952 4953ALFU 1989 16070983 ADAY 1228330 16122177 7524ADAY 16070993 ADAZ 1228330 16077527 7528ADAZ 16071003 ADBA 1228330 16077532 7533ADBA 16083201 AKNA 1228746 16089638 9640AKNA 16085843 ALUR 1228330 16132056 2282ALUR 16084761 AKYD 1228063 16083464 3465AKYD 16084771 AKYF 1228063 16083468 3469AKYF 16130381 APFN 1228746 16148142 0604APFN 16127511 ANTU 1228746 16128031 8032ANTU 16125841 ANLU 1228746 16144294 5369ANLU 16085491 ALRR 1228746 16121039 l040ALRR 16132053 APSW 1228330 16132056 2057APSW 16085833 ALUP 1228330 16122177 2178ALUP 16125841 ATJP 1228746 16144294 4334ATJP 1990 16071003 ADBA 1228330 16077532 7533ADBA 16084761 AKYD 1228063 16083464 3465AKYD 16084771 AKYF 1228063 16083468 3469AKYF 16085491 ALRR 1228746 16153073 l040ALRR 16085833 ALUP 1228330 16122177 2178ALUP 16127511 ANTU 1228746 16128031 8032ANTU T 16129141 ANXL 1228746 16148142 9240ANXL 16132053 APSW 1228330 16132056 2057APSW 16070983 ADAY 1228330 16122177 7524ADAY 16130381 APFN 1228746 16148142 0604APFN 16132053 APSW 1228330 16132056 2057APSW 16148031 ATYR 1228746 16148142 8143ATYR 16151271 AUML 1228746 16162838 1209AUML 3032AXWD 16085491 ALRR 1228746 16153073 l040ALRR 16085491 AUTS 1228746 16153073 3144AUTS NOTE When replacing the Production ECM Controller with a Remanufactured ECM Control er it is important to transfer the Production Broadcast Code and Production ECM number to the Remanufactured ECM Controller Label Please do not record on ECM Cover This will enable positive identification of ECM Components throughout the service life of the vehicle 1991 GENERAL MOTORS SERVICE PARTS 0PERATIONS CHEVROLET 17W 3 999 3 222 6 91