Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1994AEROSTAR VAN WINDOW EXTENDED, 4.0 X, RWDREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEPOWER WINDOWSTESTINGPOWER WINDOW TESTSWINDOW SWITCH (MASTER MULTIPLE SWITCH)
1994 Ford Aerostar Van Window Extended, 4.0 X, RWD
Window Switch (Master Multiple Switch)
1994 Ford Aerostar Van Window Extended, 4.0 X, RWDSECTION Window Switch (Master Multiple Switch)
- Remove switch from vehicle. See WINDOW SWITCH under REMOVAL & INSTALLATION. Using a self-powered test light or ohmmeter, connect one test lead to pin No. 6 (ground). See Fig 1. With both switches in neutral position, pins No. 1, 2, 3 and 4 should have continuity to pin No. 6.
- Push both window switches upward (toward window when in installed position). Both pins No. 1 and 3 should have no continuity to pin No. 6. Push both window switches downward (away from window when in installed position). Both pins No. 2 and 4 should have no continuity to pin No. 6.
- Remove test lead from pin No. 6 and connect to pin No. 5. With both switches in neutral position, pin No. 5 should have continuity only with itself. Push both window switches upward (toward window when in installed position). Both pins No. 1 and 3 should have continuity to pin No. 5.
- Push both window switches downward (away from window when in installed position). Both pins No. 2 and 4 should have continuity to pin No. 5. If any one switch does not test correctly, replace complete window switch assembly.
RENDER: 1.0x
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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.