GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Inspect fuse H9-H10.

Is the fuse open?

--

Go to Step 2

Go to Step 3

2

Repair a short to ground in circuit 32.

Is the repair complete?

--

Go to Diagnostic System Check - Lighting Systems

--

3

  1. Turn the headlamp switch to the PARK position.
  2. Using a test light, backprobe between the fuse block terminal H9 and ground.

Does the test light illuminate?

--

Go to Step 5

Go to Step 4

4

Repair a poor connection or an open in circuit 301 between S267 and the fuse block terminal H9.

Is the repair complete?

--

Go to Diagnostic System Check - Lighting Systems

--

5

Repair a poor connection or an open in circuit 32 between the fuse block terminal H10 and S241.

Is the repair complete?

--

Go to Diagnostic System Check - Lighting Systems

--