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Home >> GMC >> 2000 >> Jimmy 2D Utility, 4WD, Automatic >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Heated Glass/Defoggers >> Rear Window Defogger & Mirror Defogger >> System Tests >> Notes

System Tests: Notes

NOTE: Before testing, ensure fuses and circuit breakers are okay and ground connections are clean and tight. Leave electrical connectors attached and backprobe terminals unless specified otherwise. For references to connectors and terminals, see appropriate wiring diagram. See WIRING DIAGRAMS  .