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Home >> Chevrolet >> 2007 >> Express 2500 V8-4.8L >> Repair and Diagnosis >> Windows and Glass >> Heated Glass Element >> Testing and Inspection >> Symptom Related Diagnostic Procedures

Symptom Related Diagnostic Procedures



REAR WINDOW DEFOGGER INOPERATIVE

TEST DESCRIPTION

Step 1 - Step 11:




Step 12 - Step 23:




Step 24 - Step 28:




The number below refers to the step number on the diagnostic table.
9. Listen for an audible click when the RR DEFOG relay operates. Command both the ON and OFF states of the RR DEFOG relay. Repeat the commands as necessary.