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 MANUALSFORD1974CUSTOM 500 BASE, 5.8L ENG VIN H, TRANS MFR CD FMXREPAIR AND DIAGNOSISBODY & FRAMEWINDOWSELECTRIC WINDOW CONTROLSTESTINGPOWER WINDOW MASTER SWITCH

1974 Ford Custom 500 Base, 5.8L Eng VIN H, Trans Mfr CD FMX

Power Window Master Switch

1974 Ford Custom 500 Base, 5.8L Eng VIN H, Trans Mfr CD FMXSECTION Power Window Master Switch

With switch removed from door, use a self powered test light or ohmmeter to perform following tests. See illustration for pin numbers.

Clip one test lead probe on switch pin No. 3 which is grounded. With all switches in neutral position, pins No. 4 through 11 should have continuity to pin No. 3.
Push any one or all four of the switches forward. All odd numbered pins of the switches pushed forward should lose continuity to pin No. 3.

Fig 1: Power Window Multiple Master Switch Pin Connections & Numbers
Courtesy of FORD MOTOR CO.

RENDER: 1.0x

NO RELATED

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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.