GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

DEFINITION: The right low and high beam headlamps do not operate, but there is no problem with the left low and high beam headlamps.

1

Review the headlamp operation and perform the necessary inspections.

Did you complete the system review and inspection?

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Go to Step 2

Go to Symptoms

2

Attempt to operate the headlamps.

Do the right low and high beam headlamps operate normally?

--

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

Go to Step 3

3

  1. Disconnect the connector at the right sealed beam headlamp.
  2. Test CKT 151 (BLK/WHT) for continuity between the headlamp connector and ground.

Is continuity present?

--

Go to Step 5

Go to Step 4

4

Repair the open CKT 151 (BLK/WHT).

Did you complete the repair?

--

Go to Step 6

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5

Replace the right sealed beam headlamp assembly.

Did you complete the repair?

--

Go to Step 6

--

6

Operate the system in order to verify the repair.

Did you correct the condition?

--

Go to Step 3

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