HomeIgnition > SwitchesStandard Ignition US-81 Ignition Switch
Part #: US-81

Standard Ignition US-81 Ignition Switch

⚙️ 8 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford and Mercury, Mustang, Cougar, Country Sedan, Country Squire, Custom, Custom 500, Galaxie 500, Gran Torino, LTD, Ranchero, Colony Park, Marquis, and Monterey
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Overview of Standard Ignition US-81 Ignition Switch

The Standard Ignition US-81 ignition switch is designed for reliable operation in select Ford and Mercury vehicles. Engineered to mount on the steering column, this ignition switch offers a bolt-on attachment method and a female rectangular connector for secure electrical connections.

  • Bolt-on attachment method for straightforward installation
  • Female rectangular connector with one connection point
  • Seven male bullet terminals for robust electrical contact
  • Designed for column mounting in compatible vehicles
  • Compatible with Ford and Mercury models including Mustang, Cougar, LTD, Marquis, and Colony Park

Detailed Product Description

The Standard Ignition US-81 ignition switch is a critical component for the ignition system in various Ford and Mercury vehicles. It features a bolt-on attachment method that ensures a secure fit on the steering column, simplifying replacement and maintenance. The switch includes a single female rectangular connector designed to interface with the vehicle’s wiring harness, providing a reliable electrical connection. With seven male bullet terminals, the switch supports multiple circuit connections necessary for proper ignition function. This ignition switch is specifically compatible with Ford and Mercury models such as the Mustang, Cougar, LTD, Marquis, and Colony Park, making it a suitable replacement part for these vehicles.

Common Applications and Issues Addressed

  • Resolves ignition failure due to worn or faulty switches
  • Eliminates intermittent starting problems related to poor electrical contact
  • Replaces damaged or corroded ignition switches on the steering column
  • Restores proper electrical connection for ignition and accessory circuits
  • Addresses issues with key recognition and vehicle start-up

Installation Notes and Tips

  • Ensure the vehicle’s battery is disconnected before installation to prevent electrical shorts
  • Verify compatibility with your specific Ford or Mercury model and year before installation
  • Use appropriate tools to remove the steering column cover and access the ignition switch
  • Align the bolt-on mounting points carefully to avoid damage during installation
  • Check all electrical connections for secure fit and proper terminal engagement

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM specifications, ensuring reliable performance and durability. The US-81 ignition switch undergoes rigorous quality control testing to maintain consistent functionality. Warranty coverage details should be confirmed with the product documentation or supplier, as they may vary by region or distributor.

BrandStandard Ignition
Part NumberUS-81
Attachment MethodBolt On
Connector GenderFemale
Connector ShapeRectangular
Mounting LocationColumn
Terminal GenderMale
Terminal TypeBullet

This part fits 8 vehicles. Search below:

YearMakeModelPositionNotes
1973FordMustangN/A
1973MercuryCougarN/A
1972FordLTDN/A
1972MercuryColony ParkN/A
1972MercuryMarquisN/A
1971FordLTDN/A
1971MercuryColony ParkN/A
1971MercuryMarquisN/A

* 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:

1S613653-2758488921972CS66D1AZ11572BKS6584LS408UL7-3

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