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MULTIFUNCTION Switch

WARNING: This page is about a different car, the 2000 Mercury Mountaineer, 2000 Ford Explorer, 1999 Mercury Mountaineer, and 1999 Ford Explorer. However, it is still accessible from the selected car via links, so may be relevant.

Remove and disconnect multifunction switch. See MULTIFUNCTION SWITCH  under REMOVAL & INSTALLATION. Measure resistance between specified terminals while operating multifunction switch lever to positions as specified. See MULTIFUNCTION SWITCH TESTING  table. See Fig 1 . If resistance is not as specified, replace multifunction switch.

MULTIFUNCTION SWITCH TESTING

Switch Position Between Terminals No. Ohms
Wiper Switch (1)
Off 685 & 993 9550
Intermittent 685 & 993 1910
Low 685 & 993 401
High 685 & 993 0-4
Interval Time Adjust 590 & 993 (2)
Washer Switch
Off 590 & 993 More Than 10k
On 590 & 993 0-4
Hazard Switch
On 2 & 385 0-4
On 3 & 385 0-4
On 385 & 511 More Than 10 k
Turn Signal Switch
Left Turn Signal On 3 & 44 0-4
Right Turn Signal On 5 & 44 0-4
Dimmer Switch (3)
High Beam On 12 & 196 0-4
Low Beam On 15 & 507 0-4
(1) Resistance can vary by as much as 10 percent.
(2) Rotate control knob from maximum delay to minimum delay. Resistance should gradually decrease from about 2670 ohms to about 249 ohms.
(3) Resistance can vary by as much as 5 percent.
Fig 1: Identifying Multifunction Switch Connector C210 Terminals
G98H01871Courtesy of FORD MOTOR CO.
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