Should be OBD I, OBD II is 1996 and newer
OBD1
good luck! There is no OBD port on a vehicle that old
OBD II came out in 1996 and up.
That would be the OBD I Diagnostic Connector.
That would be the OBD I system and the connector would be found under the dash, drivers side.
A code reader that will work on the OBD I system.
System too rich bank 1
i am looking for a diagram of the firing order in a 1997 Chevy s10 blazer 4x4.
Inside the headlight switch.
An S10 is the same as a Chevy S10.
under the steering column.
Chain.