Your Vehicle: 2001 Ford Escort ZX2 L4-2.0L DOHC VIN 3
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  Grid Wire Test  

Check Voltage At The Grid Filament

Measure the voltage at the center of each heated back window grid filament. The voltages should be approximately 5 volts at the center of each filament. If the heated back window grid does not operate as specified, repair the filament(s) in question; refer to Heated Window Grid Wire Repair. Otherwise, return to the pinpoint test. See: Pinpoint Tests