Was the Fog Lights System Check performed?

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Go to Step 2

Go to Fog Lights System Check

1. Place the fog lamp switch in the ON position.
2. Connect a J 39200 digital multimeter (DMM) from ground to the following headlamp switch connector terminal:

•	Front fog lamps: connector C1 terminal F (PPL).

•	Rear fog lamps: connector C1 terminal H (RED).

Is battery voltage measured?

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Go to Step 4

Go to Step 3

Inspect the following circuits for an open:

Refer to Testing for Continuity in Wiring Systems.

Is the circuit OK?

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Go to Step 6

Go to Step 5

Inspect CKT 150 (BLK) for an open between the headlamp switch and splice S219. Refer to Testing for Continuity in Wiring Systems.

Is CKT 150 OK?

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Go to Step 6

Go to Step 5

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

Is the repair complete?

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Go to Fog Lights System Check

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Replace the headlamp switch. Refer to Headlamp Switch Replacement .

Is the headlamp switch replacement complete?

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Go to Fog Lights System Check

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