FixVault

Wiper Switch Test

Unplug multifunction switch connector, located under steering column. Using DVOM, check resistance of switch as indicated. See the WIPER SWITCH RESISTANCE  table. See Fig 1 . Replace switch if resistance is not as specified.

WIPER SWITCH RESISTANCE

Switch Position Terminals (1) Ohms
Washer
On 2 & 4 (2)
Off 2 & 4 103,300
Wipers
Off 4 & 6 47,600
Low Speed 4 & 6 4,080
High Speed 4 & 6 (2)
Interval (MAX) 2 & 4 (3) 103,300
Interval (MIN) 2 & 4 (3) 3,300
(1) Resistance may 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
G94H32117Courtesy of FORD MOTOR CO.