Ford 2003 Mustang Workshop Manual page 3315

Does the horn continue to sound? REPAIR Circuit 6 (YE/LG). TEST the system for
B5 CHECK THE AIR BAG SLIDING
CONTACT
Deactivate the air bag system. Refer
to Section 501-20B
Disconnect the steering wheel switch
harness from the air bag sliding
contact.
Does the horn continue to sound?
B6 CHECK STEERING WHEEL SWITCH
HARNESS
Inspect the steering wheel switch
harness for shorts, opens, or any
damage.
Is the steering wheel switch
harness OK?
normal operation.
No
INSTALL a new GEM; REFER to
TEST the system for normal operation.
Yes
INSTALL a new air bag sliding contact. REFER to
.
Section 501-20B
operation.
No
GO to
Yes
INSTALL a new horn switch. REFER to
Horn
No
INSTALL a new steering wheel switch harness.
TEST the system for normal operation.
. TEST the system for normal
B6 .
. TEST the system for normal operation.
Section 419-10 .
Switch—