Ford 2003 Mustang Workshop Manual page 3737

G2 CHECK CIRCUIT 316 (YE/LB) OR 319 (YE/BK) FOR AN OPEN
Disconnect: Driver Window Regulator Control Switch C537.
Measure the resistance between left rear window regulator motor
C3118, circuit 316 (YE/LB), harness side and driver window
regulator control switch C537 pin 12, circuit 316 (YE/LB), harness
side; or between right rear window regulator motor C3119, circuit
319 (YE/BK), harness side and driver window regulator control
switch C537 pin 13, circuit 319 (YE/BK), harness side.
Is the resistance less than 5 ohms?
G3 CHECK CIRCUIT 317 (GY/OG) OR 320 (RD/BK) FOR GROUND
Measure the resistance between left rear window regulator motor
C3118, circuit 317 (GY/OG), harness side and ground; or between
right rear window regulator motor C3119, circuit 320 (RD/BK),
harness side and ground.
Is the resistance less than 5 ohms?
G4 CHECK CIRCUIT 317 (GY/OG) OR 320 (RD/BK) FOR AN OPEN
Disconnect: Driver Window Regulator Control Switch C537.
Measure the resistance between left rear window regulator motor
C3118, circuit 317 (GY/OG), harness side and driver window
regulator control switch C537 pin 10, circuit 317 (GY/OG), harness
side; or between right rear window regulator motor C3119, circuit
320 (RD/BK), harness side and driver window regulator control
switch C537 pin 11, circuit 320 (RD/BK), harness side.
Is the resistance less than 5 ohms?
Yes
INSTALL a new
driver window
regulator control
switch. REFER to
Switch—Window
Regulator Control in
this section. TEST
the system for
normal operation.
No
REPAIR the circuit.
TEST the system
for normal
operation.
Yes
GO to G5 .
No
GO to G4 .
Yes
INSTALL a new
driver window
regulator control
switch. REFER to
Switch—Window
Regulator Control in
this section. TEST
the system for
normal operation.
No
REPAIR the circuit.
TEST the system
for normal
operation.