Questions & Answers for: Ford Crown Victoria test lamp

...TEST DOME LAMP SWITCH Depress the dome lamp switch. Are the courtesy lamps still illuminated? Yes DEPRESS the dome lamp switch a second time. GO to C3 . No The system is operating correctly. C3 CHECK ...

...from its connector and observe what happens.If lights go off you have your answer. If not then test relay or circuit(s)for

of priority. --------------- Supplemental Restraint System (SRS) Lamp Fault Code (LFC) Chart LFC 6-831Restraint System - Impact Sensor Fault (Passenger Side Short to Ground Fault)GO to Pinpoint Test M

test diagnostics for the LCM. If the DTCs retrieved are related to the concern, go to the LCM Diagnostic Trouble Code (DTC) Index. ---------------------------------------------------------------------

...test lamp between the LIGHT BLUE/BLACK wire (baterry positive feed from the relay) and the BLACK wire.  If the test light does not light, then the ground circuit is your problem. (This is ...

...Test D . Principles of Operation NOTE: Due to varying wattage ratings and resulting current draw, certain aftermarket headlamp bulbs may cause the lighting control module (LCM) to shut down the short ...