Aerostar 2WD V6-245 4.0L (1990)
Wiper Switch: Testing and Inspection
Fig. 5 Wiper Switch Continuity Test. 1988 Bronco II & Ranger
Fig. 6 Wiper Switch Continuity Test. Except 88 Bronco II & Ranger
1.
Check continuity between switch terminals, Figs 5 and 6.
2.
To detect marginal operation of switch, move switch lever while each reading is being taken.
3.
If switch does not show continuity or if poor continuity exists at any switch position, replace switch.
