GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Fog Lights System Check?

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Got to Step 2

Go to Fog Lights System Check

2

  1. Turn the fog lamps on.
  2. Use a J 39200 digital multimeter (DMM) in order to backprobe between the fog lamp switch connector cavity 5 (YEL) and ground.

Is the voltage within the specified range?

10-15 V

Got to Step 3

Got to Step 4

3

Use a DMM in order to backprobe between the fog lamp switch connector cavity 5 (YEL) and cavity 6 (BLK).

Is the voltage within the specified range?

10-15 V

Got to Step 6

Got to Step 5

4

Repair the open in CKT 317 (YEL) between the fog lamp switch and S124. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Fog Lights System Check

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5

Repair the open in CKT 150 (BLK) between the fog lamp switch and S298. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

--

Go to Fog Lights System Check

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6

Replace the fog lamp switch. Refer to Fog Lamp Switch Replacement .

Is the repair complete?

--

Go to Fog Lights System Check

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