Honda-SOHC

I'm new to forums and newer to motorcycles so forgive me if this has been covered, i used the search and didn't find anything. 

So here is the problem i have been having, I turn the key on, press the starter button and the headlight dims but nothing else happens.  The neutral light wont come on, i jump the connections on the starter relay and the starter motor spins but it doesn't seem to be engaging anything in the engine.

I'm suspecting the neutral switch or the wiring although nothing that i have read indicates that this would stop it from turning the engine over.  Is this a common symptom? Does anyone have a picture of the neutral switch in its home? or pictures of what can commonly go wrong?

Thanks

Eric

Hello Everyone, my names Eric and i own a 1980 cb750c that i hope to be riding this summer.  It is being a little finicky but ill look around for more information about this first.

Cheers

Eric