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 MANUALSMERCURY1998MOUNTAINEER 5.0 P, AWDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 30 (WIPER/WASHER SYSTEMS)COMPONENT TESTINGWIPER SWITCH
1998 Mercury Mountaineer 5.0 P, AWD
Wiper Switch
1998 Mercury Mountaineer 5.0 P, AWDSECTION Wiper Switch
WARNING: This page is about a different car, the 1997 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
Wiper switch is incorporated into multifunction switch on steering column and is not serviced separately. Replace wiper switch if resistance is not as specified. See WIPER SWITCH RESISTANCE TEST TABLE. See Fig 1 .
WIPER SWITCH RESISTANCE TEST
| Switch Position Position | Measure Between Circuits No. | k/ohms | |||
|---|---|---|---|---|---|
| Wiper | |||||
| Off | 1 & 4 | 47.6 | |||
| Low | 1 & 4 | 4.08 | |||
| High | 1 & 4 | 0 | |||
| INT | 1 & 4 | 11.33 | |||
| WASH | |||||
| On | 4 & 6 | 0 | |||
| Off | 4 & 6 | 103.3 | |||
| INT (1) | |||||
| MIN | 4 & 6 | 3.3 | |||
| MAX | 4 & 6 | 103.3 | |||
|
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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.