Section 17-02: Lighting, Interior
1994 Mustang Workshop Manual
DIAGNOSIS AND TESTING
Symptom Chart—Courtesy Lamps
Condition
Possible Source
Action
Courtesy Lamps Inoperative
Blow/open fuse.
Headlamp switch.
Circuitry open/shorted.
Damaged switch.
Go to
Pinpoint Test AA
.
Engine Compartment Lamp Inoperative
Damaged switch.
Damaged miniature bulb .
Circuitry open.
Go to
Pinpoint Test AB
.
Luggage Compartment Lamp Inoperative
Damaged switch.
Damaged miniature bulb .
Circuitry open.
Go to
Pinpoint Test AC
.
Glove Compartment Lamp Switch and Wire Inoperative
Damaged switch.
Damaged miniature bulb .
Circuitry open.
Go to
Pinpoint Test AD
.
Vanity Mirror Lamps Inoperative
Damaged switch.
Damaged miniature bulb .
Circuitry open.
Go to
Pinpoint Test AE
.
Individual Courtesy Lamp Inoperative
Damaged miniature bulb .
Open circuitry.
Go to
Pinpoint Test AF
.