GM Service Manual Online
For 1990-2009 cars only

Park Lamp Inoperative - Left Side Front Sealed Beam

Step

Action

Value(s)

Yes

No

1

Was the Exterior Lights System Check performed?

--

Go to Step 2

Go to Exterior Lights System Check

2

  1. Remove the bulb from the left front park and turn signal lamp connector.
  2. Connect a J 39200 DMM between the left front park and turn signal lamp connector, cavity G for CKT 150 (BLK), and ground.

Is continuity present?

--

Go to Step 4

Go to Step 3

3

Repair the open in CKT 150 (BLK) between the left front park and turn signal lamp connector and splice S110.

Is the left front park and turn signal lamp operative?

--

Go to Exterior Lights System Check

Go to Step 4

4

  1. Connect an unpowered test lamp between the left front park and turn signal lamp connector, cavity B for CKT 9 (BRN), and ground.
  2. Place the headlamp switch in the park lamps position.

Does the test lamp light?

--

Go to Step 5

Go to Step 6

5

Replace the left front park and turn signal lamp bulb.

Is the left front park and turn signal lamp operative?

--

Go to Exterior Lights System Check

Go to Step 6

6

Repair the open in CKT 9 (BRN) between splice S135 and the left front park and turn signal lamp connector.

Is the left front park and turn signal lamp operative?

--

Go to Exterior Lights System Check

--

Park Lamp Inoperative - Left Side Front Composite

Step

Action

Value(s)

Yes

No

1

Was the Exterior Lights System Check performed?

--

Go to Step 2

Go to Exterior Lights System Check

2

  1. Remove the bulb from the inner or outer left front park and turn signal lamp connector.
  2. Connect a J 39200 DMM between the inner or outer left front park and turn signal lamp connector, cavity G for CKT 150 (BLK), and ground.

Is continuity present?

--

Go to Step 4

Go to Step 3

3

Repair the open in CKT 150 (BLK) between the inner or outer left front park and turn signal lamp connector and splice S110.

Is the inner or outer left front park and turn signal lamp operative?

--

Go to Exterior Lights System Check

Go to Step 4

4

  1. Connect an unpowered test lamp between the inner or outer left front park and turn signal lamp connector, cavity B for CKT 9 (BRN), and ground.
  2. Place the headlamp switch in the park lamps position.

Does the test lamp light?

--

Go to Step 5

Go to Step 6

5

Replace the inner or outer left front park and turn signal lamp bulb.

Is the inner or outer left front park and turn signal lamp operative?

--

Go to Exterior Lights System Check

Go to Step 6

6

Repair the open in CKT 9 (BRN) between splice S135 and the inner or outer left front park and turn signal lamp connector.

Is the inner or outer left front park and turn signal lamp operative?

--

Go to Exterior Lights System Check

--