GM Service Manual Online
For 1990-2009 cars only

Step

Action

Value(s)

Yes

No

1

Did you perform the Interior Lights System Check?

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Go to Step 2

Go to Interior Lamps System Check

2

  1. Remove the underhood lamp bulb.
  2. Connect a test lamp between the socket center terminal and ground.
  3. Is the test lamp ON?

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Go to Step 3

Go to Step 4

3

Replace the bulb.

Is the repair complete?

--

Go to Interior Lamps System Check

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4

Connect a test lamp between CKT 1732 (ORN) at the underhood lamp connector and ground.

Is the test lamp ON?

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Go to Step 5

Go to Step 6

5

Replace the underhood lamp assembly.

Is the repair complete?

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Go to Interior Lamps System Check

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6

Repair the open in CKT 1735 (ORN).

Is the repair complete?

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Go to Interior Lamps System Check

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