Marka Wilson uu si lama filaan ah ugu dhawaaqay hawlgabkiisa bishii Maarso 1976, Callaghan wuxuu ka adkaaday shan musharax oo kale si loo doorto Hogaamiyaha Xisbiga Shaqaalaha; waxaa loo magacaabay ra'iisul wasaare 5tii Abriil 1976. Inkasta oo ay guul ka gaadheen aqlabiyad kooban oo ka tirsan Golaha Shacabka doorashadii 1974, haddana Labour ayaa lumisay tan waqtigii Callaghan uu noqday ra'iisul wasaare, iyo dhowr guuldarooyin doorasho-hoosaad iyo dib-u-dhac bilooyinkiisii hore ayaa ku qasbay Callaghan inuu la galo kalsooni iyo heshiis sahay ah Xisbiga Liberal. Inkastoo tani ay bilow ahaan u muuqatay mid xasilloon, ka dib khilaafaadka shaqada ee muhiimka ah iyo shaqo joojinta baahsan ee "Jiilaalka Naxdinta leh" ee 1978-79 iyo guuldaradii aftida ee Scotland.
, waxay keentay in xisbiyada yar yar ay ku biiraan Conservatives-ka si ay u ansixiyaan mooshin kalsooni kala noqosho ah oo ku saabsan Callaghan 28kii Maarso 1979. In kasta oo uu si shakhsi ah caan ugu ahaa ra'yi ururinada, Callaghan wuxuu hoggaamiyay xisbiga Shaqaalaha guuldaradii doorashadii 1979 waxaana lagu beddelay Margaret Thatcher.