Search these forums for ignition switch, main relay, starter.. and see if you can discern the symptoms and diagnostics for each.
You haven't given us much information to work with. For example - does *anything* happen when you turn on the key (hint - activity with lights in the instrument cluster)? Any relays click? Fuel pump run for a second or two? ABS cycle? Hear a loud click when you turn the key to 'start' but no turning of the engine? Engine spinning but no 'fire'?
Those details will help nail down where the problem lies..
Thanks for advice and stuff, but i'm simply asking the symptoms of a bad switch. Not looking to get answers of why my car won't start. But i took a look at the switch yesterday and took a picture. Would this call for a replacement?
No, that's just oxidation and wear from the pot-metal part of the ignition assembly.
The place where the attention is needed is inside.. you can clean the contacts and re-lube them if you're so inclined. There seems to be significant current passing through the contacts, and they arc and become pitted over time.
There are articles here (and elsewhere) describing the process; seems fairly straightforward and doesn't require special tools (etc).
When my ignition switch went bad, there would be a pause when i turned the key to the start position. nothing would happen for a few seconds and then it would start right up. the pause started getting longer and longer. And then eventually when i turned the key to start, nothing would happen at all, the dash lights didnt even come on. But if i remember correctly i think the starter relay was still clicking.
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