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Standard Ignition WP643 Windshield Wiper Switch
| Brand | Standard Ignition WP643 |
|---|---|
| Attachment Method | Direct |
| Color | Black |
| Cruise Control Cancel Included | No |
| Cruise Control On/Off Operator Inc | No |
| Cruise Control Resume Included | No |
| Cruise Control Set Included | No |
| Cruise Control Speed Adjustment In | No |
| Displayed | Yes |
| Fog Light Operator Included | No |
| Indicator Markings Included | Yes |
| Latching High Beam Operator Includ | No |
| Main Light Operator Included | No |
| Momentary High Beam Flasher Includ | No |
| New or Reman | New |
| Number Of Wiper Delay Settings | 4 |
| Number Of Wiper Speed Settings | 3 |
| Rear Window Washer Spray Included | Yes |
| Rear Window Wiper Speed Setting In | Yes |
| Running Light Operator Included | No |
| Terminal Gender | Male |
| Terminal Type | Blade |
| Turn Signal Control Included | No |
| Turn Signal/Directional Indicator | No |
| Voltage | 12 |
| Windshield Washer Spray Included | Yes |
| Windshield Wiper Delay Setting Inc | Yes |
| Windshield Wiper Speed Setting Inc | Yes |
| Fits | Ford and Lincoln · 6 vehicles |
OE direct replacement. Direct-fit switch restores wiper function without modifications.
Copper alloy conductors. Deliver strong conductivity with low resistive losses.
Wiper control switch. Includes delay and speed settings for precise operation.
Cross-references 1S15122, FT4Z17A553BA and SW7535 for the same application. See all 6.
OE-Style Wiper Switch for Ford and Lincoln
Restore windshield wiper and washer control with the Standard Ignition WP643 wiper switch. This direct-fit OE replacement is built for 12-volt systems and is engineered for reliable electrical performance in daily service.
Compatible with 2016-2018 Ford Edge equipped with Rain Sensitive Wipers and 2016-2018 Lincoln MKX, this switch supports the functions needed to bring back proper driver control. The WP643 is a practical choice when the original switch is worn, intermittent, or no longer responding correctly.
- Direct attachment method for OE-style replacement
- Black housing with displayed indicator markings
- 3 wiper speed settings and 4 delay settings
- Windshield washer spray included
- Rear window washer spray included
- Rear window wiper speed setting included
- Male blade terminals, 8-terminal design
- New switch for 12-volt vehicle electrical systems
Detailed Product Overview
Standard Ignition WP643 is a replacement wiper switch designed to restore control of windshield wiping and washer operation. Copper alloy conductors support strong electrical conductivity with low resistive loss, while the robust construction is intended to meet the demands of professional repair work. This part cross-references Standard Ignition (e.g., SW7535, SW12078) for the same application. For Ford Edge and Lincoln MKX service, WP643 provides the switch functions needed for dependable operation.
Common Problems This Switch Can Address
- Intermittent or non-functioning windshield wiper operation
- Loss of delay, low, or high wiper speed selection
- Washer spray controls that no longer respond
- Rear wiper or rear washer control issues
- Worn, damaged, or electrically unreliable original switch
Installation Notes and Tips
WP643 installs as a direct replacement and uses male blade terminals with an 8-terminal layout. Verify vehicle equipment before ordering, especially on 2016-2018 Ford Edge models equipped with Rain Sensitive Wipers. Confirm connector style, terminal count, and switch functions against the original part before installation.
Quality Assurance
Standard Ignition states that this switch is manufactured under complete quality control throughout the production process. The design uses copper alloy conductors and durable materials to support consistent electrical performance and long service life in normal repair use.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2018 | Ford | Edge | N/A | Compatible with vehicles equipped with Rain Sensitive Wipers. |
| 2018 | Lincoln | MKX | N/A | — |
| 2017 | Ford | Edge | N/A | Compatible with vehicles equipped with Rain Sensitive Wipers. |
| 2017 | Lincoln | MKX | N/A | — |
| 2016 | Ford | Edge | N/A | Compatible with vehicles equipped with Rain Sensitive Wipers. |
| 2016 | Lincoln | MKX | N/A | — |
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