Wiper Motor Current Draw Test
Fig. 39 Wiper Motor Current Draw Test:
Disconnect the negative battery cable. Remove wiper module from vehicle as outlined. With wiper module on bench disconnect wiper linkage from wiper motor. Connect the green lead from the Rotunda Starting and Charging Tester or equivalent to battery positive post. Connect positive (red) lead from tester first to low-speed connection and then to high- speed connections at connector plug as shown in the illustration. In either case, the current draw should not exceed 3.5 amperes.