Ford 2003 Mustang Workshop Manual page 3356

F2 CHECK FUSE
Key in START position.
With the engine running, check battery junction box (BJB) fuse 20
(20A) in circuit 36 (YE/WH) for looseness by wiggling the fuse and
noting the charging system warning indicator lamp operation.
Does the charging system warning indicator lamp flicker?
F3 CHECK A CIRCUIT 36 (YE/WH) CONNECTIONS
Key in OFF position.
Connect a fused jumper wire between the generator C102c, (4.6L
4V) or C102a (3.8L or 4.6L 2V) pin 3, circuit 36 (YE/WH), harness
side and the positive battery terminal.
Key in START position.
With the engine running, note the charging system warning
indicator operation.
Does the charging system warning indicator lamp flicker?
PINPOINT TEST G: THE GENERATOR IS NOISY
Test Step
G1 CHECK FOR ACCESSORY DRIVE NOISE
Check the accessory drive belt for damage and
correct installation. Check the accessory
mounting brackets and generator pulley for
looseness or misalignment.
Is the accessory drive OK?
G2 CHECK GENERATOR MOUNTING
Check the generator mounting for loose bolts
or misalignment.
Is the generator mounted correctly?
G3 CHECK GENERATOR FOR ELECTRICAL
REPAIR as
necessary. TEST the
system for normal
operation.
Yes
REPAIR loose fuse
connections as
necessary. TEST the
system for normal
operation.
No
GO to
Yes
REFER to
414-02
system for normal
operation.
No
REPAIR loose
connection(s) in
circuits. TEST the
system for normal
operation.
Result / Action to Take
Yes
GO to G2 .
No
REPAIR as necessary. REFER to
Section 303-05 for diagnosis and testing
of the accessory drive system. TEST the
system for normal operation.
Yes
GO to G3 .
No
REPAIR as necessary. TEST the system
for normal operation.
F3 .
Section
. TEST the