GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Diagnostic System Check?

--

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

2

  1. Turn the ignition to the RUN position.
  2. Turn the headlamp switch to the PARK position.

Do the park lamps illuminate?

--

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

  1. Disconnect the right park lamp.
  2. Leave the headlamp switch in the PARK position.
  3. Connect a test lamp between the supply voltage circuit of the right park lamp and the ground circuit of the right park lamp. Refer to Circuit Testing in Wiring Systems.

Does the test lamp illuminate?

--

Go to Step 4

Go to Step 5

4

Replace the right park lamp. Refer to one of the following procedures:

Did you complete the replacement?

--

Go to Step 7

--

5

Test for and repair an open or a poor connection in the supply voltage circuit of the right park lamp. Refer to Circuit Testing or Testing for Intermittent Conditions and Poor Connections and Wiring Repairs or Connector Repairs in Wiring Systems.

Did you find and repair an open or a poor connection?

--

Go to Step 7

Go to Step 6

6

Repair a poor connection or an open in the ground circuit of the right park lamp. Refer to Wiring Repairs or Connector Repairs in Wiring Systems.

Did you complete the repair?

--

Go to Step 7

--

7

Operate the system in order to verify the repair.

Did you correct the condition?

--

System OK

Go to Step 3