Did you perform the Interior Lights System Check?

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Go to Step 3

Go to Interior Lamps System Check

Turn the headlamp and panel dimmer switch to the PARK position.

Do all the instrument cluster illumination lamps light?

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Go to Step 3

Go to Step 4

Move the headlamp and panel dimmer switch from the dimmest position to the brightest position.

Does the intensity of the instrument cluster illumination lamps change with the turning of the switch?

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System OK

Go to Step 5

Are all of the instrument cluster illumination lamps inoperative?

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Go to Step 6

Go to Step 7

Replace the headlamp and panel dimmer switch.

Is the repair complete?

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Go to Interior Lamps System Check

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1. Turn the headlamp and panel dimmer switch to the brightest position.
2. Using a J 39200 , measure the voltage from cavity D4 of the instrument panel fuse block, the ILLUM fuse 14, to ground.

Does the DMM measure less the specified voltage?

10.0 V

Go to Step 8

Go to Step 9

1. Inspect for an open in the following circuits between splice S217 and the affected lamps:

•	CKT 8 (GRY)

•	CKT 150 (BLK)

2. Repair the open, as necessary.

Did you find and correct a condition?

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Go to Interior Lamps System Check

Go to Step 10

1. Inspect for an open or high resistance in CKT 44 (DK GRN) or in CKT 8 (GRY) between the headlamp and panel dimmer switch and splice S217.
2. Repair the circuit, as necessary.

Did you find and correct a condition?

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Go to Interior Lamps System Check

Go to Step 5

Repair the open in CKT 451 (BLK) and ground G103 or ground G104.

Is the repair complete?

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Go to Interior Lamps System Check

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Replace the affected lamps.

Is the repair complete?

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Go to Interior Lamps System Check

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