FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Cargo Lamp Inoperative

CARGO LAMP INOPERATIVE

Cargo Lamp Inoperative:




POSSIBLE CAUSES
- Fused B(+) circuit open
- Ground circuit open
- Cargo lamp bulb

DIAGNOSTIC TEST

1. INSPECT THE CARGO LAMP BULB

NOTE: If any BCM DTCs are set, diagnose them first before continuing.

Turn the ignition off.
Remove the Cargo Lamp Bulb and inspect for an open filament.

Q: Is the Bulb filament open?

YES: Replace the Cargo Lamp bulb. Perform BODY VERIFICATION TEST. Body Verification Test
NO: Go to 2

2. MEASURE CARGO LAMP VOLTAGE




Disconnect the Cargo Lamp harness connector.

NOTE: Check connector - Clean/repair as necessary.

Measure the voltage between ground and the Cargo Lamp harness connector cavity 2.

Q: Is the voltage above 10 volts?

YES: Go to 3
NO: Repair the Fused B(+) circuit for an open. Perform BODY VERIFICATION TEST. Body Verification Test

3. MEASURE CARGO LAMP GROUND CIRCUIT RESISTANCE




Disconnect the Dome Lamp harness connector.

NOTE: Check connector - Clean/repair as necessary.

Measure the resistance from the Cargo Lamp harness connector cavity 1 to the Dome Lamp harness connector cavity 1.

Q: Is the resistance below 5.0 ohms?

YES: Replace the Dome Lamp. Perform BODY VERIFICATION TEST. Body Verification Test
NO: Repair the open circuit between the Cargo Lamp and the Dome Lamp. Perform BODY VERIFICATION TEST. Body Verification Test