GM Service Manual Online
For 1990-2009 cars only

Tail Lamps Inoperative - Right Rear Domestic

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 right rear taillamp or the right rear park and turn signal lamp connector.
  2. Connect a J 39200 DMM between the right rear taillamp or the right rear park and turn signal lamp connector, cavity G for CKT 250 (BLK), and ground.

Is continuity present?

--

Go to Step 4

Go to Step 3

3

Repair the open in CKT 250 (BLK) between the right rear taillamp or the right rear park and turn signal lamp connector and ground G401.

Is the right rear taillamp or the right rear 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 right rear taillamp or the right rear 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 right rear taillamp or the right rear park and turn signal lamp bulb.

Is the right rear taillamp or the right rear 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 S900 and the right rear taillamp or the right rear park and turn signal lamp connector.

Is the rear taillamp or the right rear park and turn signal lamps operative?

--

Go to Exterior Lights System Check

--

Tail Lamps Inoperative - Right Rear Export

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 right rear park lamp (park and stop) assembly.
  2. Remove the bulb from the right park lamp.
  3. Connect a J 39200 DMM between the right rear park lamp (park and stop) assembly connector cavity G for CKT 250 (BLK) and ground, or the right park lamp cavity G for CKT 250 (BLK) and ground.

Is continuity present?

--

Go to Step 3

Go to Step 4

3

  1. Connect an unpowered test lamp between the right rear park lamp (park and stop) connector cavity B for CKT 909 (BRN) to ground or the right park lamp cavity B for CKT 909 (BRN) to ground.
  2. Place the headlamp switch in the park lamp position.

Does the test lamp light?

--

Go to Step 5

Go to Step 6

4

Repair the open in CKT 250 (BLK) between the right rear park lamp (park and stop) to ground G401 or the right park lamp to ground G401.

Is the repair complete?

--

Go to Exterior Lights System Check

--

5

Replace the right rear park lamp (park and stop) bulb or the right park lamp bulb.

Is the repair complete?

--

Go to Exterior Lights System Check

--

6

Repair the open in CKT 909 (BRN) between splice S324 and the right rear park lamp connector or the right park lamp connector.

Is the repair complete?

--

Go to Exterior Lights System Check

--