Could be neutral safety switch. That would explain the no crank situation. The starting on the second crank is probably something else. Tune-up perhaps.

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Streetside: 1987 Mercedes 300E Petrol Blue/Green
2014 Ford Mustang Grabber Blue
1999 Ford Ranger Green

Dockside: 1968 Eltro 17
1985 Silverton 34C