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If you have a call for heat and no voltage to the inducer then you either have a bad board or a bad connection between the board and the inducer.
I don't quite follow you're last post. If you think you have a bad connection in the molex then I'd replace that first since it's a lot cheaper than a new board.
If there's a chance it's the connector I'd replace it before I went for a new board
If it was a rollout or an open limit circuit you should be getting an error.
Not offhand. You can try these guys for a replacement