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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1657 (Lighting Systems) >> Diagnostic Information and Procedures >> Vanity Mirror Lamp(s) Inoperative

Vanity Mirror Lamp(s) Inoperative

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
Vanity Mirror Lamp(s) Inoperative

Step Action Yes No
Schematic Reference:  Interior Lights Schematics  
1 Did you perform the Lighting Systems Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Lighting Systems 
2 Verify that the visor vanity mirror lamps are inoperative.
Do the visor vanity mirror lamps operate normally?
Go to TESTING FOR INTERMITTENT CONDITIONS AND POOR CONNECTIONS in Wiring Systems Go to Step 3 
3 Connect a test lamp from the inadvertent power courtesy lamps supply voltage circuit above the headliner at the inoperative visor vanity mirror connector to ground. Refer to CIRCUIT TESTING in Wiring Systems.
Does the test lamp illuminate?
Go to Step 4  Go to Step 5 
4 Connect a test lamp between the inadvertent power courtesy lamps supply voltage circuit and the ground circuit at the inoperative visor vanity mirror lamp connector. Refer to CIRCUIT TESTING in Wiring Systems.
Does the test lamp illuminate?
Go to Step 7  Go to Step 6 
5 Repair the open, high resistance or short to ground in the inadvertent power courtesy lamps supply voltage circuit. Refer to WIRING REPAIRS in Wiring Systems.
Is the repair complete?
Go to Step 8  -
6 Repair the open or high resistance in the ground circuit. Refer to WIRING REPAIRS in Wiring Systems.
Is the repair complete?
Go to Step 8  -
7 Is the repair complete? Go to Step 8  -
8 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 3