Power Window Switch

Remove window switch from vehicle. See POWER WINDOW SWITCH R & I under REMOVAL & INSTALLATION. Using ohmmeter, check for continuity between switch terminals in specified switch positions. See appropriate POWER WINDOW SWITCH TESTING table. See Fig 1 , Fig 2 or Fig 3 . Replace power window switch if it does not test as specified.

POWER WINDOW SWITCH TESTING

Switch Position	Continuity Between Terminals
Neutral	C74a-3, C74a-4, C74a-5, C74a-6, C74a-9, C74a-15, C74a-16, C74b-2, C74b-3, C74b-4
Left Front Up	C74a-9 & C74b-2
Left Front Down	C74a-9 & C74b-3; C74a-11 & C74b-2
Right Front Up	C74a-3 & C74b-2; C74a-4 & C74b-3
Right Front Down	C74a-4 & C74b-2; C74a-3 & C74b-3
Left Rear Up	C74a-15 & C74b-4; C74a-16 & C74b-3
Left Rear Down	C74a-16 & C74b-4; C74a-15 & C74b-3
Right Rear Up	C74a-5 & C74b-4; C74a-6 & C74b-3
Right Rear Down	C74a-5 & C74b-3; C74a-6 & C74b-4

Fig 1: Identifying Master Power Window Switch Terminals (Switch Side) - Connector C74a

Courtesy of FORD MOTOR CO.

Fig 2: Identifying Master Power Window Switch Terminals (Switch Side) - Connector C74b

Courtesy of FORD MOTOR CO.

POWER WINDOW SWITCH TESTING

Switch Position	Continuity Between Terminals No.
Neutral	1 & 3; 1 & 6; 2 & 4
Up	1 & 2; 3 & 7; 2 & 4
Down	1 & 6; 2 & 7; 2 & 4

Fig 3: Passenger Power Window Switch Terminals (Switch Side)

Courtesy of FORD MOTOR CO.