Standard Ignition RCM4N Computer Control Relay

Brand Standard Ignition RCM4N
Amperage Rating 20 A
Connector Shape Rectangular
Contents Radiator Fan Control Module
Continuous Duty No
Functions Relay
Mounting Bracket(s) Included Yes
Terminal Gender Female
Terminal Type Blade
Voltage 12
Fits Ford, Lincoln, and Mercury · 19 vehicles

Durable composite housing. Helps protect the relay from heat, dust, and moisture.

Aluminum contacts. Built for dependable conductivity and long service life.

Blade-terminal design. Rectangular 24-terminal layout for a secure electrical connection.

Cross-references Cardone Reman 73-70003, Four Seasons 37512 and TYC 20251 for the same application. See all 10.

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Computer Control Relay for Ford, Lincoln, and Mercury

Standard Ignition RCM4N is a 12-volt computer control relay built for radiator fan control applications in select Ford, Lincoln, and Mercury vehicles. It uses a rectangular connector, 24 female blade terminals, and a mounting bracket for a secure under-hood installation.

Key Features

  • 12 V computer control relay with 20 A amperage rating
  • Rectangular connector shape with 24 female blade terminals
  • Mounting bracket(s) included for proper placement
  • Radiator fan control module content for relay-based cooling control
  • Composite housing helps protect against heat and harsh under-hood conditions
  • Aluminum contacts support durability and long service life
  • Epoxy sealing helps resist dust, heat, and moisture

Detailed Description

The Standard Ignition RCM4N is a relay assembly for radiator fan control and related computer-controlled electrical functions. It is manufactured in a TS16949 and ISO9001 certified facility and uses composite housing, aluminum contacts, and epoxy protection to support dependable operation in demanding engine-bay environments. This part cross-references Four Seasons 37512 for the same application. It is a direct-fit style option for select 1992-1995 Ford Taurus, 1992-1995 Lincoln Continental, and 1992-1995 Mercury Sable applications, as well as 1986 Mercury Sable and 1992-1993 Lincoln Continental module applications.

What It Helps Solve

  • Radiator fan relay failure
  • Intermittent cooling fan operation
  • Electrical switching issues in the fan control circuit
  • Heat- or moisture-related relay damage
  • Connector or terminal wear at the control module

Installation Notes and Tips

  • Verify connector shape, terminal count, and mounting bracket location before installation.
  • Inspect the fan circuit, wiring, and related fuses or connectors for damage before replacing the relay.
  • Confirm vehicle application by year, make, and model: Fits 1992-1995 Ford Taurus, N/A; Fits 1992-1995 Lincoln Continental, N/A; Fits 1992-1995 Mercury Sable, N/A; Fits 1986 Mercury Sable, N/A; Fits 1992-1993 Lincoln Continental, N/A.
  • Use the vehicle service information to confirm the correct radiator fan control module location and connector orientation.

Quality Assurance

Standard Ignition manufactures this relay in a TS16949 and ISO9001 certified facility. The housing, contacts, and epoxy construction are selected to support consistent electrical performance in severe under-hood conditions.

This part fits 19 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypePositionNotes
1995FordTaurus——GASN/APerformance fuel injector fits various vehicle makes and models.
1995LincolnContinental———N/APerformance fuel injector fits various vehicle makes and models.
1995MercurySable———N/APerformance fuel injector fits various vehicle makes and models.
1994FordTaurus——GASN/APerformance fuel injector fits various vehicle makes and models.
1994LincolnContinental———N/APerformance fuel injector fits various vehicle makes and models.
1994MercurySable———N/APerformance fuel injector fits various vehicle makes and models.
1993FordTaurus———N/APerformance fuel injector fits various vehicle makes and models.
1993FordTaurus3.0LV6—N/APerformance fuel injector fits various vehicle makes and models.
1993FordTaurus3.8LV6—N/APerformance fuel injector fits various vehicle makes and models.
1993LincolnContinental———N/AModule; New
1993LincolnContinental———N/APerformance fuel injector fits various vehicle makes and models.
1993MercurySable———N/APerformance fuel injector fits various vehicle makes and models.
1992FordTaurus———N/APerformance fuel injector fits various vehicle makes and models.
1992FordTaurus3.0LV6—N/APerformance fuel injector fits various vehicle makes and models.
1992FordTaurus3.8LV6—N/APerformance fuel injector fits various vehicle makes and models.
1992LincolnContinental———N/AModule; New
1992LincolnContinental———N/APerformance fuel injector fits various vehicle makes and models.
1992MercurySable———N/APerformance fuel injector fits various vehicle makes and models.
1986MercurySable———N/APerformance fuel injector fits various vehicle makes and models.
Directly replaces or cross-references 10 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Cardone Reman — 73-70003Four Seasons — 37512TYC — 202511R157156-1993AR761F1DF12B577AAMT0946R4123RCM4