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Home >> Isuzu >> 1993 >> Stylus Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Heated Glass/Defoggers >> Defogger - Rear Window >> Component Testing >> Defogger Switch

Defogger Switch

Remove switch from instrument panel. See DEFOGGER SWITCH R & I  under REMOVAL & INSTALLATION. Ensure continuity exists in each indicated switch position. See DEFOGGER SWITCH CONTINUITY TEST  . If switch does not function as indicated, replace switch.

DEFOGGER SWITCH CONTINUITY TEST

Application Reading
OFF Position
Terminals No. 1 & 4 Continuity
Terminals No. 2 & 5 No Continuity
ON Position
Terminals No. 1 & 4 Continuity
Terminals No. 2 & 5 Continuity