FixVault

Wiper Motor Current Test

WARNING: This page is about a different car, the 1995 Ford Mustang. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disengage pivot arm from wiper motor. Unplug connector from wiper motor. See Fig 1 . Connect jumper wire from Yellow/Red wire terminal of motor to ground.
  2. Connect ammeter between positive battery terminal and White wire terminal of motor. Measure high speed current. Disconnect ammeter from White wire terminal, and connect it to Dark Blue/Orange wire terminal of motor. Measure low speed current. In both low and high speed tests, current should not exceed 3.0 amps.
Fig 1: Identifying Wiper Motor Terminals
G94C32328Courtesy of FORD MOTOR CO.