Wiper Control Relay: Inspection

Disconnect the connector from wiper control relay.

Connect the positive (+) lead from the battery to terminal 8 and the negative (- ) lead to terminal 6. Connect the positive (+) lead from the voltmeter to terminal 3 and the negative (- ) lead to ground.

Fig 1: Connecting Positive (+) Lead From Battery To Terminal 8 And Negative (-) Lead To Terminal 6

Courtesy of SAAB-SCANIA OF AMERICA, INC.

Measure the voltage when the wiper relay is operated.

Fig 2: Voltage Specifications

Courtesy of SAAB-SCANIA OF AMERICA, INC.

1. Switch position
2. Voltage
3. 9+/-2 sec.

If operation is not as specified, replace the switch.