1. Place the ignition switch in the RUN or ACCY position.
2. Place the window lockout switch in normal.
3. Connect a test lamp between the inoperative window switch connector at CKT 1307 (DK BLU) and ground.

Does the test lamp light?

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Go to Step 3

Go to Step 2

Repair the open in CKT 1307 (DK BLU) between the inoperative window switch and the window lockout switch.

Is the symptom still present?

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Go to Step 3

System OK

1. Connect a test lamp at the inoperative window switch connector between the following circuits:

•	For the left front switch, CKT 666 (DK BLU) and CKT 667 (BRN)

•	For the left rear switch, CKT 668 (DK BLU) and CKT 669 (BRN)

•	For the right rear switch, CKT 668 (DK BLU) and CKT 669 (BRN)

2. Press the power window switch up and down.

Does the test lamp light in both positions?

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Go to Step 5

Go to Step 4

1. Inspect the inoperative power window switch for a poor connection.
2. If the connection is OK, replace the inoperative power window switch.

Is the symptom still present?

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Go to Step 5

System OK

1. Connect a test lamp between the following circuits:

•	For the left front switch, CKT 666 (DK BLU) and CKT 667 (BRN)

•	For the left rear switch, CKT 668 (DK BLU) and CKT 669 (BRN)

•	For the right rear switch, CKT 668 (DK BLU) and CKT 669 (BRN)

2. Press the power window switch up and down.

Does the test lamp light in both positions?

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Go to Step 7

Go to Step 6

Repair the open in one of the following locations:

Is the repair complete?

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System OK

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1. Inspect the inoperative power window motor for a poor connection.
2. If the connection is OK, replace the inoperative power window motor.

Is the repair complete?

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System OK

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