Answer
The Haynes manual has wiring diagrams in it. The wiring diagrams given for the 1989 Chevrolet Celebrity 2.5L F.I. are incorrect. Also note that Auto Zone told me the 1989 didn't come with the 2.5.
Ignition wiring diagram
autozone.com
Remove the retaining ring from the top of your 1989 Chevy Corvette ignition switch. Slide the ignition switch out and remove the wiring harness.
Remove the retaining ring from the top of your 1999 Chevy Cavalier ignition switch. Slide the ignition switch out and remove the wiring harness from the end of it.
Where can I find a free online diagram of the ignition system wiring for a 1985 Chevy S10
autozone.com
You will need to remove the retaining ring at the top of your 1998 Chevy Lumina ignition switch. Slide the ignition switch out. Remove the wiring harness.
Remove the retaining ring at the top of your 1994 Chevy Corsica ignition switch. Slide the ignition switch out and remove the wiring harness. Reverse the process to install the new ignition switch.
No, there is not a fuse on the alternator.
The 1966 Chevy Impala ignition switch can be removed by loosening the retaining ring at the top of the ignition switch. Remove the wiring harness. Reverse the process to install the new ignition switch.
You will need to remove the retaining ring from the top of your 1997 Chevy Camaro ignition switch. The ignition switch will slide out. Remove the wiring harness. Reverse the process to install the new ignition switch.
Remove the retaining ring at the top of your 1985 Chevy ignition switch. Slide the ignition switch out and remove the wiring harness. Reverse the process to install the new ignition switch.