Standard Ignition RY-1148 Engine Cooling Fan Motor Relay

Brand Standard Ignition RY-1148
Amperage Rating 70 A
Connector Shape Square
Functions Accessory Relay
Mounting Bracket(s) Included No
Terminal Gender Male
Terminal Type Blade
Voltage 12
Fits Ford and Mercury · 15 vehicles

Direct-fit replacement. Restores proper relay operation with easy plug-in terminals.

High-temperature housing. Built to withstand harsh engine conditions.

Accessory relay. Uses a 5-blade, 12-volt square connector.

Cross-references Four Seasons 36131, Remy 16003 and 1R2405 for the same application. See all 8.

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Engine Cooling Fan Relay for Ford and Mercury

Standard Ignition RY-1148 is a direct-fit engine cooling fan motor relay built for 12-volt systems with a 70 amp rating. It uses a square connector shape, 5 blade terminals, and male quick-connect terminals for straightforward replacement in the correct application.

Compatible With 1995-2003 Ford and Mercury cooling fan control applications, this relay restores proper open and close operation so electrical current can flow across the contact points as intended. Standard Ignition RY-1148 is built with durable electro-magnets and a high-temperature housing for service in demanding engine bay conditions.

Key Features

  • Engine cooling fan motor relay for 12V electrical systems
  • 70 amp amperage rating for high-current relay operation
  • Square connector shape with 5 blade terminals
  • Male quick-connect, plug-in terminal design
  • High-temperature housing for engine compartment use
  • Direct-fit replacement for select Ford and Mercury vehicles

Detailed Description

This Standard Ignition relay is engineered as a direct replacement for cooling fan control circuits where reliable relay switching is required. The RY-1148 supports accessory relay function and is commonly used in low-speed fan control applications on select Ford Focus, Ford Contour, Mercury Cougar, and Mercury Mystique models. This part cross-references Four Seasons 36131 for the same application.

Use Standard Ignition RY-1148 when replacing a relay that no longer opens or closes correctly, causing inconsistent fan operation or electrical interruption in the circuit. The robust construction and high-grade materials are intended to meet the demands of professional service work.

Vehicle Fitment

  • Fits 2000-2003 Ford Focus, Low Speed
  • Fits 1996-2000 Ford Contour, Low Speed; Fan Control; 5 Term.
  • Fits 1995 Ford Contour, Low Speed; 5 Term.
  • Fits 1999-2002 Mercury Cougar
  • Fits 1995 Mercury Mystique, Low Speed; 5 Term.

Common Replacement Symptoms

  • Cooling fan does not switch on at the correct time
  • Intermittent fan relay operation
  • Loss of low-speed fan function
  • Electrical contact failure in the relay circuit
  • Fan control issues on Ford Focus, Ford Contour, Mercury Cougar, or Mercury Mystique

Installation Notes

Verify the connector shape, terminal count, and amperage rating before installation. This relay uses 5 male blade terminals and a square connector layout, so matching the original relay configuration is important for proper fitment. Confirm the vehicle application and cooling fan circuit requirements before replacement.

Quality Assurance

Standard Ignition builds this relay with durable electro-magnets and a high-temperature housing to handle harsh engine conditions. The design and materials are selected to meet the requirements of professional repair use.

This part fits 15 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2003FordFocusN/ALow Speed
2002FordFocusN/ALow Speed
2002MercuryCougarN/A
2001FordFocusN/ALow Speed
2001MercuryCougarN/A
2000FordContourN/ALow Speed; Fan Control; 5 Term.
2000FordFocusN/ALow Speed
2000MercuryCougarN/A
1999FordContourN/ALow Speed; Fan Control; 5 Term.
1999MercuryCougarN/A
1998FordContourN/ALow Speed; Fan Control; 5 Term.
1997FordContourN/ALow Speed; Fan Control; 5 Term.
1996FordContourN/ALow Speed; Fan Control; 5 Term.
1995FordContourN/ALow Speed; 5 Term.
1995MercuryMystiqueN/ALow Speed; 5 Term.
Directly replaces or cross-references 8 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Four Seasons — 36131Remy — 160031R240556-2658AR6654F6RZ8B658EAR6654RAA1964