ɡˈʊdɹɛntʃ tˈʊk tə ðɪ ˈɛɹweɪvz ɪn nˈaɪntiːnhˈʌndɹɪd sˈɛvənti sˈɛvən æz ɐ wˈeɪ tə mˈɑːɹkɪt dʒˈɛnɚɹəl mˈoʊɾɚz fɹˈæntʃaɪzd dˈiːlɚz sˈɜːvɪs dᵻpˈɑːɹtmənts, ɹᵻplˈeɪsɪŋ ɐ pˈætʃwɜːk ʌv sˈɛpɹət dʒˌiːˈɛmdᵻvˈɪʒənəl ˈɔfɚɹɪŋz.
Goodwrench took to the airwaves in 1977 as a way to market General Motors franchised dealers' service departments, replacing a patchwork of separate GM-divisional offerings.