Schematic Reference: Headlights/Daytime Running Lights (DRL) Schematics

Did you perform the Lighting System Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

1. Place the headlamp switch in the HEADLAMP position.
2. Place the headlamp dimmer switch in the HIGH position.

Do the high beam headlamps illuminate?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

1. Disconnect the headlamp switch assembly connector.
2. Connect a 15 amp fused jumper between the headlamp high beam signal circuit and a good ground.

Do the high beam headlamps illuminate?

Go to Step 4

Go to Step 5

Inspect for poor connections at the harness connector of the headlamp switch assembly. 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 7

Go to Step 6

Repair an open or high resistance in the headlamp high beam signal circuit. Refer to Circuit Testing and Wiring Repairs in Wiring Systems.

Did you complete the repair?

Go to Step 7

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Replace the headlamp switch assembly. Refer to Headlamp Switch Replacement .

Did you complete the replacement?

Go to Step 7

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Operate the system in order to verify the repair.

Did you correct the condition?

System OK

Go to Step 3