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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1730 (Lighting Systems) >> Diagnostic Information and Procedures >> Headlamps Inoperative - Flash to Pass

Headlamps Inoperative - Flash to Pass

WARNING: This page is about a different car, the 2003 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
Headlamps Inoperative - Flash to Pass

Step Action Yes No
Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics 
1 Did you perform the Lighting System Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Lighting Systems 
2
  1. Place the headlamp switch in the HEADLAMP position.
  2. Place the multifunction lever in the FLASH TO PASS position.
Do the high beam headlamps illuminate?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3 Test for an open or high resistance in the flash to pass ground circuit of the headlamp switch. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 6  Go to Step 4 
4 Inspect for poor connections at the harness connector of the headlamp switch. Refer to Testing for Intermittent Conditions and Poor Connections and Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 6  Go to Step 5 
5 Replace the headlamp switch. Refer to Multifunction, Turn Signal Switch Replacement in Steering Wheel and Column.
Did you complete the repair?
Go to Step 6  -
6 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 3