DEFINITION: This diagnostic procedure should only be used if the park and tail lamp are inoperative and one or more clearance lamps are inoperative.

Did you perform the Exterior Lights System Check?

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Go to Step 2

Go to Exterior Lights System Check

1. One at a time, remove the bulb from the affected clearance lamp(s).
2. Connect a J 39200 between CKT 150 (BLK) and ground.

Is there continuity?

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Go to Step 3

Go to Step 5

1. Connect a J 39200 between cavity B for CKT 9 (BRN) at each lamp and ground.
2. Place the headlamp and panel dimmer switch in the PARK lamps position.

Is there battery voltage?

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Go to Step 4

Go to Step 6

Replace the affected clearance lamp bulbs.

Is the repair complete?

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Go to Exterior Lights System Check

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Repair the open in CKT 150 (BLK) between the affected clearance lamp and G401.

Is the repair complete?

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Go to Exterior Lights System Check

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Repair the open in CKT 9 (BRN) between the affected clearance lamp and S412 (LH) or S413 (RH)

Is the repair complete?

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Go to Exterior Lights System Check

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