Actually, Barry Goldwater is an even better example. After Rockefeller's Country Club wing failed to stop Goldwater at the convention, they sat on their hands (and wallets) for the balance of the campaign -- bad-mouthing their party's candidate at every opportunity.
and that’s why trump can trump the gope. he’s not spending $ may very well get the AFL-CIO support, and could easily keep himself on the tube with out spending $, while letting small $ pick up local ads. The anger of the electorate could focus a micro local turnout response. We’re in a completely uncharted water.