Did you perform the Diagnostic System Check - Lighting Systems?

Go to Step 2

Go to Diagnostic System Check - Lighting Systems

Inspect the rear compartment courtesy lamp bulb.

Is the bulb filiment open?

Go to Step 6

Go to Step 3

Use a testlamp connected to a good ground in order to test for battery positive voltage at the rear compartment courtesy lamp connector.

Does the testlamp light?

Go to Step 4

Go to Step 10

Test for an open in the rear compartment courtesy lamp switch control circuit. Refer to Circuit Testing in Wiring Systems.

Is the rear compartment courtesy lamp switch control circuit open?

Go to Step 7

Go to Step 5

1. Disconnect the rear compartment courtesy lamp switch.
2. Connect a fused jumper wire across the rear compartment lamp switch connector bypassing the switch contacts.
3. Reinstall the rear compartment lamp if removed.

Does the rear compartment lamp illuminate?

Go to Step 8

Go to Step 9

Replace the rear compartment courtesy lamp bulb. Refer to Cargo Lamp Replacement .

Is the repair complete?

System OK

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Repair the open in the rear compartment lamp switch control circuit. Refer to Wiring Repairs in Wiring Systems..

Is the repair complete?

System OK

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Replace the rear compartment courtesy lamp switch.

Is the repair complete?

System OK

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Repair the open in the rear compartment lamp switch ground circuit. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

System OK

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Repair the open in the rear compartment lamp power supply circuit. Refer to Wiring Repairs in Wiring Systems.

Is the repair complete?

System OK

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