My car wouldn't shut off and when it finally did and I had the key out of the ignition....the check engine, oil and brake lights were still lit, the clock was on and you could roll the windows up/down with the doors open.

In my attempts to turn the key to the off position....the sports light would periodically flicker, the car would act like the battery was dead (with the clicking, like it wanted to start up). When I disconnected the battery, I noticed an odor and a faint humming.

Any help would be appreciated

 

Hopefully it is just your batter and not a bad alternator. How old is your battery? Are the connections to it tight and not corroded. A new battery or new battery terminals are both a cheap fix for problems like these.

 

is this your 1990 EX?
The electrical side of your ignition switch has gone bad (worn out)

 

yes its my 90

do i have to replace the whole unit or just the worn out electrical part

 

just the electrical part. You can pick up the part from your dealer parts department.

 

thank you for your help

 

not a problem
just ask if you need more help