Wiper Switch Continuity Test

Test switch continuity with an ohmmeter connected between switch terminals. See Fig 1 . To detect marginal operation of switch, move switch lever as each reading is being taken. If switch does not show continuity or if poor continuity exists, replace switch.

Fig 1: Wiper Switch Continuity Test Terminal Locations

WIPER SWITCH CONTINUITY TEST

Position

Standard Wiper

Intermittent Wiper

OFF

P-L

N/A

LOW

B-L

HIGH

B-H

B-H-L

WASH

B-W

INTER

***

B-1

ANY

***

⁽¹⁾ R1-R2

⁽¹⁾	Variable resistance between R1 and R2 should be 420-13,000 ohms.