Elon Musk said Saudi Arabia’s sovereign-wealth fund has approached him several times over nearly two years about providing financial support to take Tesla Inc. TSLA 0.26% private, as the chief executive sought to explain his claim to have funding for a possible deal. Mr. Musk’s blog post on Tesla’s website Monday provided new information about what led to his surprise tweet last Tuesday announcing the possible transaction . But the new post also left unanswered a host of big questions including how much capital would be required and whether the Saudi fund is indeed able and willing to provide it. Newsletter Sign-up The blog post underlined how unorthodox Mr. Musk’s approach has been to a possible transaction. He said the claim in his tweet that funding for a potential deal was “secured” stemmed from a July 31 meeting where the Saudi fund’s managing director “strongly expressed his support for […]