Ford 2003 Mustang Workshop Manual page 3462

SECTION 417-01: Exterior Lighting
DIAGNOSIS AND TESTING
Parking, Rear and License Lamps
Refer to Wiring Diagrams Cell
Special Tool(s)
73 III Automotive Meter or
equivalent
105-R0057
Inspection and Verification
1. Verify the customer concern by operating the parking lamps.
2. Visually inspect for the following obvious signs of mechanical and electrical damage.
Visual Inspection Chart
Mechanical
Damaged multifunction switch
(13K359)
Damaged headlamp switch (11654)
3. If the concern is not visually evident, determine the symptom and proceed to Symptom Chart.
Symptom Chart
Symptom Chart
Condition
The parking, rear or license
lamps are inoperative
One or more parking, rear or
license bulbs(s) is inoperative
The parking, rear or license
lamps are on continuously
92 , Exterior for schematic and connector information.
Possible Sources
BJB Fuse 2 (30A).
Circuitry.
Headlamp switch.
Parking, rear or
license bulb(s).
Circuitry.
Headlamp switch.
Circuitry.
2003 Mustang Workshop Manual
Electrical
Blown battery junction box (BJB) Fuse 2
(30A)
Damaged wiring harness
Loose or corroded connections
Damaged parking, rear or license lamp
GO to
Test L
GO to
Test M
GO to
Test N
Action
Pinpoint
.
Pinpoint
.
Pinpoint
.