LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 1975 >> Skyhawk Base, Automatic Trans >> Repair and Diagnosis (Single Page) >> Body & Frame >> Windows >> Power Windows - Tailgate >> Testing >> Window Motor

Window Motor

Disconnect harness connector at motor. Using a 12 volt power source, connect positive power source lead to one of motor terminals and ground other lead. Motor should operate. To check reverse rotation of motor, switch positive lead to other terminal. If motor does not operate in either direction, motor is defective.

Fig 1: G.M. POWER TAILGATE WIRING DIAGRAM
G09353678Courtesy of GENERAL MOTORS COMPANY