F3 CHECK THE OPERATION OF THE DEMAND LAMPS
Does the interior demand lamps illuminate?
Yes | GO to F4 |
|---|---|
No | GO to Pinpoint Test E |
F4 CHECK FOR VOLTAGE TO THE LUGGAGE COMPARTMENT LAMP
Disconnect: Luggage Compartment Lamp C428. Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C428-1 | Ground |
Is the voltage greater than 11 volts?
Yes | GO to F5 |
|---|---|
No | REPAIR the luggage compartment lamp voltage supply circuit for an open. |
F5 ISOLATE THE LUGGAGE COMPARTMENT LAMP BULB SOCKET
Measure:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C428-1 | C428-3 |
Is the voltage greater than 11 volts?
Yes | INSTALL a new luggage compartment lamp bulb socket. |
|---|---|
No | GO to F6 |
F6 CHECK THE LUGGAGE COMPARTMENT LAMP GROUND CIRCUIT FOR AN OPEN
Ignition OFF. Connect: Luggage Compartment Lamp C428. Disconnect: Luggage Compartment Lid Latch C4339. Connect a fused jumper:
Click to display connectors
Positive Lead | Measurement / Action | Negative Lead |
|---|---|---|
C4339-2 | Ground |
2016 Mustang workshop publication supplied to Mustang Atlas. Original technical text and illustrations; HTML formatting by Mustang Atlas. Source page numbering is retained for traceability. Follow the configuration, revision, warnings, and cross-references in the material. About this edition.