GM Service Manual Online
For 1990-2009 cars only

Step

Action

Yes

No

1

Was the Lighting Diagnostic Systems Check performed?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems in Lighting Systems.

2

  1. Turn on the ignition.
  2. Turn the headlamp switch to the park position.

Do all of the park lamps turn on?

Go to Testing for Intermittent Conditions and Poor Connections

Go to Step 3

3

Inspect the REAR PARK LP fuse.

Is the fuse open?

Go to Step 4

Go to Step 5

4

Repair a short to ground in the rear park lamp B+ feed.

Did you complete the repair?

Go to Step 6

--

5

Repair a open the ground circuit of the rear park lamp circuit.

Did You complete the repair?

Go to Step 6

--

6

Operate the system in order to verify the repairs.

Is the repair complete?

Go to Diagnostic System Check - Lighting Systems

Go to Symptoms