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. Disconnect the rear compartment lid latch switch connector.
  2. Connect a fused jumper from the rear compartment lid latch switch connector cavity A (ORN/BLK) to ground.

Does the rear compartment lamp turn on?

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Go to Step 3

Go to Step 6

3

Inspect CKT 1350 (BLK/WHT) for an open. Refer to Testing for Continuity in Wiring Systems.

Was an open found?

--

Go to Step 4

Go to Step 5

4

Repair the open in CKT 1350 (BLK/WHT). Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Interior Lamps System Check

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5

Replace the rear compartment lid latch switch.

Is the rear compartment lid latch switch replacement complete?

--

Go to Interior Lamps System Check

--

6

Inspect CKT 1732 (ORN) for an open between S254 and the rear compartment lamp. Refer to Testing for Continuity in Wiring Systems.

Was an open found?

--

Go to Step 7

Go to Step 8

7

Repair the open in CKT 1732 (ORN). Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Interior Lamps System Check

--

8

Inspect CKT 737 (ORN/BLK) for an open. Refer to Testing for Continuity in Wiring Systems.

Was an open found?

--

Go to Step 9

Go to Step 10

9

Repair the open in CKT 737 (ORN/BLK). Refer to Wiring Repairs in Wiring Systems.

Is the circuit repair complete?

--

Go to Interior Lamps System Check

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10

Replace the rear compartment lamp. Refer to Rear Compartment Courtesy Lamp Replacement in Body Rear End.

Is the rear compartment lamp replacement complete?

--

Go to Interior Lamps System Check

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