Is the voltage greater than 10 volts?
J2 CHECK THE GROUNDS TO THE PASSENGER FRONT WINDOW CONTROL SWITCH —
CIRCUITS 313 (WH/YE) AND 314 (TN/LB)
Ignition OFF.
Measure the resistance between passenger front window control switch C604-6, circuit 313
(WH/YE) and C604-1, circuit 314 (TN/LB) harness side and ground.
Are the resistances less than 5 ohms?
Yes
GO to J4.
No
GO to J3.
J3 CHECK CIRCUITS 313 (WH/YE) AND 314 (TN/LB) FOR AN OPEN
Ignition OFF.
Disconnect: Driver Window Control Switch C504a.
NOTE: Set the driver window control switch to the UNLOCK position.
Measure the resistance between driver window control switch C504a-4, circuit 313 (WH/YE)
and passenger front window control switch C604-6, circuit 313 (WH/YE) harness side.
Measure the resistance between driver window control switch C504a-3, circuit 314 (TN/LB)
and passenger front window control switch C604-1, circuit 314 (TN/LB) harness side.
Is the resistance less than 5 ohms?
Yes
INSTALL a new driver window control switch. REFER to Window Control
Switch in this section. TEST the system for normal operation.
No
REPAIR circuit 313 (WH/YE) or circuit 314 (TN/LB). TEST system for normal
operation.
J4 CHECK THE PASSENGER FRONT WINDOW CONTROL SWITCH
Ignition ON.
Connect a jumper wire between passenger front window control switch C604-6, circuit 313
(WH/YE) and C604-5, circuit 333 (YE/RD) and a second jumper wire between C604-3, circuit
170 (RD/LB) and C604-2, circuit 334 (RD/YE) harness side. The window should operate in
the down direction.
Connect a jumper wire between passenger front window control switch C604-1, circuit 314
Yes
If the passenger front window did not operate with the passenger front
window control switch, INSTALL a new passenger front window control
switch. If the passenger front power window did operate with the passenger
front window control switch but not with the driver window control switch,
INSTALL a new driver window control switch. REFER to Window Control
Switch in this section. TEST the system for normal operation.
No
GO to J5.
2003 Explorer/Mountaineer Workshop Manual
http://www.fordtechservice.dealerconnection.com/pubs/content/~WS3N/~MUS~LEN/19/S
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