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View Full Version : how to identify obd1 vs obd 11 pcm's


toolman1981
05-17-2011, 07:40 AM
have a pcm not sure what year it is out of anyone know the part number
95ImpySS
05-18-2011, 06:41 PM
There is a sticker on the top of the PCM.

ODB1 PN ends in 8051

ODB2 PN ends in 4399
toolman1981
05-19-2011, 11:14 AM
thank you