HomeHVAC > RelaysStandard Ignition RY-961 HVAC Automatic Temperature Control (ATC) Relay
Part #: RY-961

Standard Ignition RY-961 HVAC Automatic Temperature Control (ATC) Relay

⚙️ 88 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Ford, Lincoln, Mercury, Mazda, and Isuzu, Expedition, Fusion, F-250 Super Duty, MKZ, Milan, Escape, Town Car, Mariner, Montego, Zephyr, Tribute, Aviator, E-150, E-150 Club Wagon, E-250, E-350 Club Wagon, E-350 Super Duty, Axiom, Rodeo, F-150, F-350 Super Duty, Ranger, Rodeo Sport, F-250, and Hombre
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Reliable HVAC Automatic Temperature Control Relay for Ford and More

The Standard Ignition RY-961 HVAC Automatic Temperature Control (ATC) Relay is designed to provide dependable multi-function relay performance for various Ford, Isuzu, Lincoln, Mazda, and Mercury vehicles. Engineered to meet OEM specifications, this 12-volt relay supports efficient climate control system operation in models like the Ford F-150, Lincoln MKZ, and Mazda Tribute.

  • Amperage rating: 40 amps for robust electrical handling
  • Square connector shape for secure and precise fitment
  • Includes a 4-terminal male blade connector for reliable connections
  • Multi-function relay designed specifically for HVAC automatic temperature control systems
  • Compatible with 12-volt electrical systems
  • No mounting brackets included, allowing flexible installation options

Technical Details and Compatibility

The Standard Ignition RY-961 relay features a 40 amp amperage rating, ensuring it can handle the electrical load required by HVAC automatic temperature control systems in a range of vehicles. Its square connector shape and four male blade terminals provide a secure and stable connection, minimizing the risk of electrical faults. This relay operates at 12 volts and is a multi-function component, making it suitable for controlling various HVAC functions within the vehicle’s climate control system.

This relay is compatible with multiple makes and models, including Ford vehicles such as the F-150, F-250 Super Duty, Escape, and Expedition; Lincoln models like the MKZ and Town Car; Mazda models including the Tribute and Milan; as well as Isuzu Rodeo and Mercury Mariner. The part number RY-961 ensures precise identification for replacement or repair needs.

Common Applications and Problem Resolution

  • Restores proper function to HVAC automatic temperature control systems
  • Resolves intermittent or complete failure of climate control relays
  • Eliminates issues with inconsistent heating or cooling performance
  • Addresses electrical faults related to relay terminal connections
  • Supports reliable operation in vehicles with 12-volt HVAC systems

Installation Notes and Tips

Installation of the Standard Ignition RY-961 relay requires matching the square connector shape and blade terminal configuration to the vehicle’s existing wiring harness. Ensure the vehicle’s battery is disconnected before replacing the relay to prevent electrical shorts. Since mounting brackets are not included, secure the relay in a stable location within the HVAC control module area using appropriate hardware or clips. Verify all terminal connections are clean and free of corrosion for optimal performance.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The RY-961 HVAC Automatic Temperature Control Relay undergoes rigorous testing to ensure consistent operation under typical automotive conditions. Warranty coverage details are available through Standard Ignition and vary by distributor, offering additional confidence in product quality.

BrandStandard Ignition
Part NumberRY-961
Amperage Rating40 A
Connector ShapeSquare
ContentsRelay
FunctionsMulti-Function Relay
Mounting Bracket(s) IncludedNo
Terminal GenderMale
Terminal TypeBlade
Voltage12

This part fits 88 vehicles. Search below:

YearMakeModelPositionNotes
2019FordFiestaN/A
2018FordC-MaxN/A
2018FordFiestaN/A
2017FordC-MaxN/A
2017FordFiestaN/A
2016FordC-MaxN/A
2016FordFiestaN/A
2015FordC-MaxN/A
2015FordFiestaN/A
2014FordC-MaxN/A
2014FordFiestaN/A
2013FordC-MaxN/A
2013FordEscapeN/A
2013FordFiestaN/A
2012FordExpeditionN/A
2012FordFusionN/A40 Amp; 4 Term.
2011FordF-250 Super DutyN/ASquare Relay; 40 Amp; 4 Term.
2011FordFusionN/A40 Amp; 4 Term.
2011LincolnMKZN/A40 Amp; 4 Term.
2010FordFusionN/A40 Amp; 4 Term.
2010LincolnMKZN/A40 Amp; 4 Term.
2009FordFusionN/A40 Amp; 4 Term.
2009LincolnMKZN/A40 Amp; 4 Term.
2009MercuryMilanN/A40 Amp; 4 Term.
2008FordEscapeN/ASquare Relay; 40 Amp; 4 Term.
2008FordExpeditionN/A20 Amp; 4 Term.
2008FordFusionN/A40 Amp; 4 Term.
2008LincolnMKZN/A40 Amp; 4 Term.
2008LincolnTown CarN/A40 Amp; 4 Term.
2008MercuryMarinerN/ASquare Relay; 40 Amp; 4 Term.
2008MercuryMilanN/A40 Amp; 4 Term.
2007FordEscapeN/ASquare Relay; 40 Amp; 4 Term.
2007FordExpeditionN/A20 Amp; 4 Term.
2007FordFusionN/A40 Amp; 4 Term.
2007LincolnMKZN/A40 Amp; 4 Term.
2007LincolnTown CarN/A40 Amp; 4 Term.
2007MercuryMarinerN/ASquare Relay; 40 Amp; 4 Term.
2007MercuryMilanN/A40 Amp; 4 Term.
2007MercuryMontegoN/A40 Amp; 4 Term.
2006FordEscapeN/ASquare Relay; 40 Amp; 4 Term.
2006FordExpeditionN/A20 Amp; 4 Term.
2006FordFusionN/ASquare Shape; 40 Amp; 4 Term.
2006LincolnTown CarN/A40 Amp; 4 Term.
2006LincolnZephyrN/A40 Amp; 4 Term.
2006MazdaTributeN/A
2006MercuryMarinerN/ASquare Relay; 40 Amp; 4 Term.
2006MercuryMilanN/A40 Amp; 4 Term.
2006MercuryMontegoN/A40 Amp; 4 Term.
2005FordExpeditionN/A20 Amp; 4 Term.
2005LincolnAviatorN/A40 Amp; 4 Term.
2005LincolnTown CarN/A40 Amp; 4 Term.
2005MercuryMontegoN/A40 Amp; 4 Term.
2004FordE-150N/AMini Relay
2004FordE-150 Club WagonN/AMini Relay
2004FordE-250N/AMini Relay
2004FordE-350 Club WagonN/AMini Relay
2004FordE-350 Super DutyN/AMini Relay
2004FordExpeditionN/A20 Amp; 4 Term.
2004IsuzuAxiomN/A
2004IsuzuRodeoN/A
2004LincolnAviatorN/A40 Amp; 4 Term.
2004LincolnTown CarN/A40 Amp; 4 Term.
2003FordExpeditionN/A20 Amp; 4 Term.
2003FordF-150N/A40 Amp; 4 Term.
2003FordF-250 Super DutyN/A40 Amp; 4 Term.
2003FordF-350 Super DutyN/A40 Amp; 4 Term.
2003FordRangerN/A40 Amp; 4 Term.
2003IsuzuAxiomN/A
2003IsuzuRodeoN/A
2003IsuzuRodeo SportN/A
2003LincolnAviatorN/A40 Amp; 4 Term.
2002FordF-150N/A40 Amp; 4 Term.
2002FordF-250 Super DutyN/A40 Amp; 4 Term.
2002FordF-350 Super DutyN/A40 Amp; 4 Term.
2002IsuzuRodeoN/A
2002IsuzuRodeoN/AFrom 3/02
2002IsuzuRodeo SportN/AFrom 3/02
2001FordF-150N/A40 Amp; 4 Term.
2001FordF-250 Super DutyN/A40 Amp; 4 Term.
2001FordF-350 Super DutyN/A40 Amp; 4 Term.
2000FordF-150N/A40 Amp; 4 Term.
2000FordF-250 Super DutyN/A40 Amp; 4 Term.
2000FordF-350 Super DutyN/A40 Amp; 4 Term.
1999FordF-150N/AGray; 40 Amp; 4 Term.
1999FordF-250N/AGray; 40 Amp; 4 Term.
1999FordF-250 Super DutyN/AGray; 40 Amp; 4 Term.
1999FordF-350 Super DutyN/AGray; 40 Amp; 4 Term.
1996IsuzuHombreN/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:

1R20932028325-06964F1T14B192BA56-2331AR6467EF9267720R6467RAA1747

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