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Component Testing Procedure

WARNING: This page is about a different car, the 2006 Lincoln Town Car. However, it is still accessible from the selected car via links, so may be relevant.
MASTER WINDOW ADJUST SWITCH COMPONENT TESTING

Circuit to test Connect self-powered test light or ohmmeter to terminals Move switch to these positions A good switch will indicate
Power and Ground Checks Before Any Other Tests  8 (C504b) and 4 (C504a)
8 (C504b) and 3 (C504a)
8 (C504b) and 2 (C504a)
8 (C504b) and 1 (C504a)
8 (C504b) and 5 (C504b)
8 (C504b) and 8 (C504a)
8 (C504b) and 7 (C504a)
8 (C504b) and 6 (C504a)
8 (C504b) and 5 (C504a)
6 (C504b) and 7 (C504b)
All Eight Window Switches (at rest) Open circuit
5 (C504b) and 4 (C504a)
5 (C504b) and 3 (C504a)
5 (C504b) and 2 (C504a)
5 (C504b) and 1 (C504a)
5 (C504b) and 8 (C504a)
5 (C504b) and 7 (C504a)
5 (C504b) and 6 (C504a)
5 (C504b) and 5 (C504a)
All Eight Window Switches (at rest) Closed circuit
Left front window circuit  8 (C504b) and 5 (C504a) Up Closed circuit
5 (C504b) and 6 (C504a)   -
8 (C504b) and 6 (C504a) Down
5 (C504b) and 5 (C504a)
Right front window circuit  8 (C504b) and 7 (C504a) Up Closed circuit
5 (C504b) and 8 (C504a)
8 (C504b) and 8 (C504a) Down
5 (C504b) and 7 (C504a)
Left rear window circuit  8 (C504b) and 2 (C504a) Up Closed circuit
5 (C504b) and 1 (C504a)  
8 (C504b) and 1 (C504a) Down
5 (C504b) and 2 (C504a)
Right rear window circuit  8 (C504b) and 3 (C504a) Up Closed circuit
5 (C504b) and 4 (C504a)
8 (C504b) and 4 (C504a) Down
5 (C504b) and 3 (C504a)