GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

  1. Disconnect the harness connector from the Left park and turn lamp assembly.
  2. Set the Headlamp Switch to PARK.
  3. Connect a test lamp between terminal C on the Left park and turn lamp harness connector and the chassis ground.

Does the test lamp light?

--

Go to Step 2

Go to Step 3

2

Connect a test lamp between terminal C and terminal B on the Left park and turn lamp harness connector.

Does the test lamp light?

--

Go to Step 4

Go to Step 5

3

Repair the open CKT 9 (BRN) between S 102 and terminal C in the Left park and turn lamp harness connector.

Is the repair complete?

--

System OK

--

4

Repair the open in Left park and turn lamp assembly.

Is the repair complete?

--

System OK

--

5

Repair the open in CKT 150 (BLK) between S 105 and terminal B in the left park and turn lamp harness connector.

Is the repair complete?

--

System OK

--