After repairing the cause of the code, you clear the code with a scan tool.
OBD1
Should be OBD I, OBD II is 1996 and newer
A code reader that will work on the OBD I system.
System too rich bank 1
Use an OBD scan tool to reset or disconnect the battery
The 1997 Chevrolet Blazer OBD 2 port is on lower edge of dash; right of parking brake
if it was manufactured after '96 it should have an OBD II port located underneath the dashboard near the steering column. take an OBD II scanner and find the code that was tripped and reset it.
good luck! There is no OBD port on a vehicle that old
A person can reset the airbag light on 1997 Buick Regal by checking the wires and making sure they are all plugged in. Then by clearing the codes causing the light with an OBD scanner.
Disconnect the battery cables and wait about 15 minutes. Some of the OBD II computers will not reset and will have to be coded out and the problem fixed to get rid of the error.
The engine light on a Chevy Colorado can be rest by connecting an OBD II reader to the interface port under the dash. Each code can then be reset which will disable the dash light until the error is detected again.
94 should be OBD I.