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Wiper Switch Continuity Test

Check wiper switch for continuity using following chart. Disconnect connector under steering column and test with self-powered test light or ohmmeter. (Ohmmeter required for intermittent wiper test). If switch does not show required continuity, or poor continuity exists in any position, replace switch.

NOTE: See wiper switch connector terminal identification in Fig 1.
WIPER CONTINUITY TEST

Position Standard Wiper Interval Wiper
OFF C-D, F-L F-L, P-G
LOW B-C, G-L R-L-G
HIGH B-C, G-H R-H-G
INTER   (1)L-G, G-R
WASH B-W B-W
(1) Resistance between G-R should vary between 420 and 13, 000 ohms.
Fig 1: Wiper Switch Continuity Test Terminal Locations
G09358850Courtesy of FORD MOTOR CO.