Re: qd13 tiller switch
That switch doesn't work that way. When its on, the tiller arm can only advance the throttle as far as the throttle lever on the powerhead is set. Since you have a "replacement" tiller arm I doubt you can use it anyway so it doesn't matter how you set it.
I answered the choke question in your other post. Please try to keep the postings on topic. Its easier for us to answer your questions.