Did you perform the Headlights System Check?

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Go to Step 2

Go to Headlight System Check

1. Disconnect the headlamp dimmer switch connector C202.
2. Place the headlamp switch in the HEAD position.
3. Connect a fused jumper between the headlamp dimmer switch connector C202 cavity A8 (PPL) and ground.

Do the headlamps switch from low beams to high beams?

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Go to Step 5

Go to Step 3

1. Disconnect the lamp control module (LCM) connector C1.
2. Connect fused jumpers between the following points:

•	The LCM connector C1 cavity D (DK BLU) to cavity E (BLK)

•	The LCM connector C1 cavity G (RED) to cavity B (LT GRN)

Do the high beam headlamps illuminate?

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Go to Step 7

Go to Step 4

Repair the open in CKT 11 (LT GRN) between the LCM and the underhood junction block. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Headlight System Check

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Test CKT 351 (BLK/WHT) between S203 and the headlamp dimmer switch for an open. Refer to Testing for Continuity in Wiring Systems.

Is there an open in CKT 351?

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Go to Step 6

Go to Step 9

Replace the headlamp dimmer switch. Refer to Multifunction Turn Signal Lever Replacement - On Vehicle in Steering Wheel and Column-Tilt

Is the headlamp dimmer switch replacement complete?

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Go to Headlight System Check

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Test CKT 524 (PPL) for an open. Refer to Testing for Continuity in Wiring Systems.

Is there an open in CKT 524?

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Go to Step 8

Go to Step 9

Replace the LCM. Refer to Headlamp Control Module Replacement .

Is the LCM replacement complete?

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Go to Headlight System Check

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Repair the faulty wiring. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Headlight System Check

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