On original key knock out and on the side of the ignition switch.
Most cars have the key code on the passengers door lock ...
the key code for 1989 cadlillac
The buzzer that lets you know the key is in the ignition in a 1989 Chevy Blazer is in the steering column. To access it you would need to remove the steering wheel with a special tool, or remove the ignition assembly. The key makes contact with a tab that activates the buzzer.
The key.
your chev dealer can get key code for you by using the VIN number
Yes you need the security code. phone your Chevy dealer they will have a computer system that has the code on it. I work for a Chevy dealership.
the dealer can tell your resistance code from the VIN. but with no key to make a copy from, you might have to replace the tumbler then get a key copied.
the cole national key B 51 D fits GM and chevy trucks 1968 to 1989
The 1980 Suzuki key code switch is located near the ignition switch. This is the common location for most older models.
Try a new starter or ignition.
A good locksmith has access to this info, or can get this info from GM. But if you have the key he can read the cuts on the key and give you a key cutting code.
flip the license plate doown and your keys slot s right there but it will be a different key than your ignition key