Kammala jumla mai zuwa: Warwick da Cheever sun kasance tare da ƙungiyar don 1989 kuma sun tuka Brawn da aka tsara Arrows A11, wanda injin Ford DFR V8 ke amfani da shi. Kyakkyawan kammalawa na ƙungiyar ya zo ne a Grand Prix na Amurka a garin Cheever na Phoenix. A can, Ba'amurke ya zira kwallaye na karshe na podium ta hanyar kammala na uku. A ƙarshe, duk da haka, Cheever ya yi gwagwarmaya a cikin A11 (wanda dole ne a canza shi musamman a farkon kakar don haka babban Ba'amurke zai iya shiga cikin motar) kuma a zahiri ya kasa cancanta a gasar
Babban Gasar Burtaniya da Italiya. Har ila yau, rashin sa'a na Warwick ya ci gaba: tsayi mai tsawo a lokacin tseren budewa a Brazil ya kashe shi abin da mutane da yawa suka yi imanin zai zama nasararsa ta farko, yayin da a zagaye na 6 a cikin Grand Prix na Kanada mai ruwa, Warwick ya jagoranci, kuma yana a matsayi na biyu lokacin da Ford V8 ya fashe. Ya kasance a kai a kai ya fi sauri fiye da waɗanda ke bayansa (ciki har da wanda ya yi nasara Thierry Boutsen, wanda ya tuka Williams-Renault), kuma zai iya cin nasara lokacin da jagoran tseren Ayrton Senna ya busa injin Honda a cikin McLaren dinsa tare da sauran zagaye biyu kawai. Bayan kammala na biyar a 1988, Arrows ya sauka zuwa na bakwai a 1989.