HomeWiper and Washer > SwitchesStandard Ignition WP591 Windshield Wiper Switch
Part #: WP591

Standard Ignition WP591 Windshield Wiper Switch

⚙️ 27 vehicles fit this part
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Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Lincoln, Fusion, Mustang, and MKZ
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Wiper Switch for Ford and Lincoln Vehicles

The Standard Ignition WP591 wiper switch is designed to provide consistent and precise control of your vehicle's windshield wipers. Engineered for select Ford and Lincoln models, this switch ensures smooth operation and reliable performance in various driving conditions.

  • Connector Gender: Female for secure and proper connection
  • Terminal Quantity: 8 terminals to support multiple functions
  • Terminal Type: Blade terminals for easy installation and durability
  • Compatible with Ford Fusion, Lincoln MKZ, Ford Mustang, and Ford SSV Plug-In Hybrid
  • Part Number: WP591 for accurate identification and fitment

Technical Details and Compatibility

The WP591 wiper switch from Standard Ignition features a female connector with eight blade-type terminals, designed to integrate seamlessly with the vehicle’s electrical system. This configuration supports multiple wiper functions, including intermittent, low, and high-speed settings. The blade terminals provide a reliable electrical connection while simplifying the installation process. This switch is specifically compatible with Ford Fusion, Lincoln MKZ, Ford Mustang, and Ford SSV Plug-In Hybrid models, ensuring proper fit and function.

Common Applications and Problem Resolution

This wiper switch is used to control the windshield wiper system in compatible Ford and Lincoln vehicles. It addresses several common issues, including:

  • Intermittent wiper settings not functioning correctly
  • Wipers failing to respond to switch inputs
  • Inconsistent wiper speeds or stuck wiper positions
  • Electrical connection problems due to worn or damaged terminals
  • Switch failure causing loss of wiper control

Installation Notes and Tips

When installing the Standard Ignition WP591 wiper switch, ensure the vehicle’s battery is disconnected to prevent electrical shorts. Verify the female connector aligns properly with the vehicle’s wiring harness. The blade terminals should slide firmly into place without excessive force. After installation, test all wiper functions to confirm proper operation before reassembling any panels.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications. The WP591 wiper switch undergoes rigorous quality control to ensure durability and reliable performance. This part typically includes a limited warranty covering defects in material and workmanship, providing confidence in its long-term use.

BrandStandard Ignition
Part NumberWP591
Connector GenderFemale
Terminal TypeBlade

This part fits 27 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2023FordMustangN/A
2022FordMustangN/A
2021FordMustangN/A
2020FordFusionN/A
2020FordMustangN/A
2020FordSSV Plug-In Hybrid2.0LL4N/A
2020LincolnMKZN/A
2019FordFusionN/A
2019FordMustangN/A
2019FordSSV Plug-In Hybrid2.0LL4N/A
2019LincolnMKZN/A
2018FordFusionN/A
2018FordMustangN/A
2018LincolnMKZN/A
2017FordFusionN/A
2017FordMustangN/A
2017LincolnMKZN/A
2016FordFusionN/ANot compatible with vehicles equipped with Rain Sensitive Wipers.
2016FordMustangN/ANot compatible with vehicles equipped with Rain Sensitive Wipers.
2016LincolnMKZN/ANot compatible with vehicles equipped with Rain Sensitive Wipers.
2015FordFusionN/ANot compatible with vehicles equipped with Rain Sensitive Wipers.
2015FordMustangN/ANot compatible with vehicles equipped with Rain Sensitive Wipers.
2015LincolnMKZN/ANot compatible with vehicles equipped with Rain Sensitive Wipers.
2014FordFusionN/ANot compatible with vehicles equipped with Rain Sensitive Wipers.
2014LincolnMKZN/ANot compatible with vehicles equipped with Rain Sensitive Wipers.
2013FordFusionN/ANot compatible with vehicles equipped with Rain Sensitive Wipers.
2013LincolnMKZN/ANot compatible with vehicles equipped with Rain Sensitive Wipers.

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

1S13828DG9Z17A553AASW10810SW6980WS6846WW891

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.