Maybe the movie Juggernaut (1974), but where its writers got the idea, who knows. https://movies.stackexchange.com/questions/3957/what-was-the-first-movie-to-i

Maybe the movie Juggernaut (1974), but where its writers got the idea, who knows. https://movies.stackexchange.com/questions/3957/what-was-the-first-movie-to-introduce-blue-wire-or-red-wire-bomb-disposal https://movies.stackexchange.com/questions/3957/what-was-the... https://tvtropes.org/pmwiki/pmwiki.php/Main/WireDilemma https://tvtropes.org/pmwiki/pmwiki.php/Main/WireDilemma