Don't post the same thing in 3 different sub-forums and don't start a new thread to continue an old one unless the topic/situation has changed drastically.
Have you replace the ignition switch and the starter relay yet? Those, the clutch switch or NSW are the only other cut outs present. If the starter cranks but the engine doesn't start none of these are the issue.
The shift lock unit does not affect the starting of the engine in any way.
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