1. Turn OFF the ignition.
2. Remove the left front turn signal lamp.
3. Inspect the filiment.

Is the filament open?

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Go to Step 2

Go to Step 3

Replace the open lamp. Refer to Parking and Turn Signal Lamp Replacement .

Is the repair complete?

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System OK

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Connect a self powered test lamp from terminal G to ground.

Does the test lamp light?

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Go to Step 5

Go to Step 4

Locate and repair CKT 150 (BLK) for an open to ground.

Is the repair complete?

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System OK

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Locate and repair the open in CKT 2114 (LT BLU) between the lamp and the underhood bussed electrical center (UBEC).

Is the repair complete?

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System OK

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