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Component Testing Procedure

WARNING: This page is about a different car, the 2005 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) All Eight Window Switches (at rest) Open circuit
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)
5 (C504b) and 7 (C504b)
5 (C504b) and 4 (C504a) All Eight Window Switches (at rest) Closed circuit
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)
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)  
5 (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)