2000 Ford ZX2 AutomaticFACTORY OEM SERVICE PROCEDURE

Component Testing Procedure

WARNING: This page is about a different car, the 2005 Lincoln LS. However, it is still accessible from the selected car via links, so may be relevant.
MASTER WINDOW ADJUST SWITCH (14540) - COMPONENT TESTING

Circuit to test Connect self-powered test light or ohmmeter to terminals Move switch to these positions A good switch will indicate
Switch lock  1 (C504b) and 3 (C504b) Lock On Closed circuit
Lock Off Open circuit
One-Touch Down Switch, left front  1 (C504b) and 5 (C504a) Down Closed circuit
11 (C504a) and 5 (C504a) Rest Open circuit
one-touch up switch, left front  1 (C504b) and 5 (C504b) Up Closed circuit
11 (C504a) and 8 (C504a) Rest Open circuit
One-Touch Down Switch, right front  1 (C504b) and 9 (C504a) Down Closed circuit
2 (C504a) and 8 (C504a) Rest Open circuit
one-touch up switch, right front  1 (C504b) and 3 (C504a) Up Closed circuit
2 (C504a) and 8 (C504a) Rest Open circuit
Left front window circuit  1 (C504b) and 5 (C504b) Up Closed circuit
1 (C504b) and 5 (C504a) Down Closed circuit
Right front window circuit  1 (C504b) and 3 (C504a) Up Closed circuit
1 (C504b) and 9 (C504a) Down Closed circuit
Left rear window circuit  1 (C504b) and 2 (C504b) Up Closed circuit
1 (C504b) and 6 (C504b) Down Closed circuit
Right rear window circuit  1 (C504b) and 8 (C504b) Up Closed circuit
1 (C504b) and 4 (C504b) Down Closed circuit
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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