Prom Chip BJWN 1995 S10 Chevy GMC 4.3L ENGINE 16197427 16196395 Memcal 16199928
PROM: BJWN. EPROM NUMBER: 16199928. When replacing your PROM you must match the 4 letter code on your PROM from your vehicle. Do not replace a PROM with a non matching unit. This is for one PROM only and doesn’t include the engine computer.