Ford 2003 Mustang Workshop Manual page 3723

Is the resistance less than 5 ohms?
D5 CHECK THE DRIVER WINDOW REGULATOR CONTROL
SWITCH
Carry out the driver window regulator control switch
component test. Refer to the Wiring Diagrams Cell 149,
Component Testing.
Did the driver window regulator control switch pass?
D6 CHECK CIRCUIT 226 (WH/BK) FOR A SHORT TO BATTERY
Key in OFF position.
Disconnect: GEM C201a.
Measure the voltage between GEM C201a pin 2, circuit 226
(WH/BK), harness side and ground.
Key in ON position.
Measure the voltage between GEM C201a pin 2, circuit 226
(WH/BK), harness side and ground.
Is either voltage greater than 10 volts?
D7 CHECK CIRCUIT 991 (TN/LB) AND 992 (WH/BK) FOR AN
OPEN
Yes
GO to D6 .
No
INSTALL a new driver
window regulator control
switch. REFER to
Switch—Window
Regulator Control in this
section. TEST the system
for normal operation.
Yes
REPAIR the circuit. TEST
the system for normal
operation.
No
GO to D7 .