It sounds to me like you have a solenoid that is out since it won't even click. It won't be a coil because at that point it would at least be trying to turn. It's not your battery because it would at least be trying to crank as well. Not the switch because nothing had been done to that and your dash comes on. Ask the mechanic to check out your solenoid. Best bet that is what it is. It should have been checked out at the time but they will go out on their own . By rule, anytime you change a starter, change your solenoid, as well they aren't even expensive considering it will be in the garage being worked on. Good luck hope that fixes it. Send me a shout and let me know how it comes out!
