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 MANUALSFORD1988BRONCO 4.9 Y, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)BODY & FRAMEPOWER WINDOWSTESTINGSINGLE SWITCH
1988 Ford Bronco 4.9 Y, Automatic
Single Switch
1988 Ford Bronco 4.9 Y, AutomaticSECTION Single Switch
NOTE:
See Figs. 2 through 4 for illustration of single switch pin locations.
- With switch in released (neutral) position, continuity should exist between terminals No. 1 and 3, terminals No. 2 and 5, and terminals No. 4 and 6.
- With toggle switch pushed downward, continuity should exist between terminals No. 2, 4 and 5, and terminals No. 1 and 3. Terminal No. 6 should be disconnected from any other terminal.
- With toggle switch pushed upward, continuity should exist between terminals 2, 3 and 5, and terminals No. 4 and 6. Terminal No. 1 should be disconnected from any other terminal. If switch does not test as indicated, replace switch.
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.