Wiper Switch

Wiper switch is integral with multifunction switch on steering column. Disconnect multifunction switch connector. Using DVOM, check resistance between switch terminals with switch in specified position. SeeFig 1 . See WIPER SWITCH RESISTANCE . If resistance is not as specified, replace multifunction switch.

WIPER SWITCH RESISTANCE

Switch Position

Terminals No.

⁽¹⁾ Ohms

Washer

4 & 6

⁽²⁾

Off

1 & 4

47,600

Wipers

Off

4 & 6

103,300

Low Speed

1 & 4

4080

Low Speed

4 & 6

3300

High Speed

1 & 4

⁽²⁾

High Speed

4 & 6

3300

Interval (MAX)

4 & 6

⁽³⁾ 103,300

Interval (MIN)

4 & 6

⁽³⁾ 3300

⁽¹⁾	Specification can vary by as much as 10 percent.

⁽²⁾	Continuity should exist.

⁽³⁾	Resistance should vary smoothly between specified limits as knob is rotated between MIN and MAX positions.

Fig 1: Identifying Wiper Switch Terminals

Courtesy of FORD MOTOR CO.