Wiper Switch Continuity Test

Unplug wiper switch connector. Measure resistance between specified terminals. See the WIPER SWITCH CONTINUITY TEST table. See Fig 1 . Replace switch if readings are not as specified.

WIPER SWITCH CONTINUITY TEST

Switch Position

Terminal No.

Resistance k/ohms

OFF

4 To 6

103.3

OFF

1 To 4

47.6

LOW

1 To 4

4.08

HIGH

1 To 4

WASH

4 To 6

INT

1 To 4

11.3

INT ⁽¹⁾

MIN

4 To 6

3.3

MAX

1 To 4

11.33

MAX

4 To 6

103.3

⁽¹⁾	Rotate (INT) interval knob from minimum to maximum. Resistance should gradually increase from 3.3 k/ohms (MIN) to 103.3 k/ohms (MAX). All measurements should be within 10% of specifications.

Fig 1: Wiper Switch Terminals (Mustang)

Courtesy of FORD MOTOR CO.