PROM Chip BDSD 1994 Chevy GMC 4.3L 4L60E for ECM ECU 16197427 & 16196395
Fully function memcal came out of 4.3l g10 van with 4l60e transmission. Should work for any GM vehicle with that combination, but check your compatibility before purchase. Crack in plastic tab on side of case, does not effect functionality.