DEFINITION: This diagnostic should be used when none of the power windows operate from any switch.

Has the Power Windows System Check been performed?

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Go to Step 2

Go to Power Windows System Check

1. Place the ignition switch in the RUN position.
2. Connect a test lamp from CKT 343 (YEL) at the LF power window master switch connector C1, cavity L, to ground.

Does the test lamp light?

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Go to Step 3

Go to Step 4

Connect a test lamp from CKT 343 (YEL) at the LF power window master switch connector C1, cavity L, to CKT 150 (BLK) at the LF power window master switch connector, cavity C.

Does the test lamp light?

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Go to Step 5

Go to Step 6

Repair the open in CKT 343 (YEL) from the LF power window master switch connector to the instrument panel fuse block. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Power Windows System Check

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1. Inspect the LF power window master switch for a faulty connection.
2. If the connection is OK, replace the LF power window master switch. Refer to Power Accessory Switch Panel Replacement .

Is the repair complete?

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Go to Power Windows System Check

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Repair the open in CKT 150 (BLK) from the LF power window master switch connector C1, cavity C to ground. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

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Go to Power Windows System Check

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