[Dead Corpse]

Vapor lock wouldn't effect turning the engine over. It'd just choke it's fuel supply. If all she's getting is a "click", then the solenoid is engaging but not enough juice is getting to the windings to turn the motor.

[Monkey Face]

So it may be a short in the wiring somewhere?

[Darksheare]

True.
You'd think after having the starter in my beat up car do something interesting that sounded similar, I'd have thought of that.