Section 13-00: Instrument Cluster and Panel Lighting
1994 Mustang Workshop Manual
DIAGNOSIS AND TESTING
Inspection and Verification
Verify the vehicle owner's original concern by operating the headlamp switch (11654)
in the PARK position with the headlamp switch knob and shaft (11661)
rotated fully counterclockwise without turning on dome
lamps to duplicate the condition.
Inspect to determine if any of the following electrical concerns apply:
Electrical
Fuse.
Circuit Wiring.
Headlamp switch.
If the concern(s) remain after the inspection, determine the symptoms and
proceed to the following Symptom Chart.