A properly functioning speed control relay is crucial for maintaining your vehicle's cruise control system. Selecting a reliable replacement ensures consistent speed management, enhancing your driving experience and safety on the road. This guide will help you navigate the options and make an informed decision.
Looking for the best Automotive Replacement Speed Control Relays?
Discover now our comparison of the best Automotive Replacement Speed Control Relays. It is never easy to choose from the wide range of offers. On the market, you will find an incalculable number of models, all at different prices. And as you will discover, the best Automotive Replacement Speed Control Relays are not always the ones at the highest prices! Many criteria are used, and they make the richness and relevance of this comparison.
To help you make the best choice among the hundreds of products available, we have decided to offer you a comparison of the Automotive Replacement Speed Control Relays in order to find the best quality/price ratio. In this ranking, you will find products listed according to their price, but also their characteristics and the opinions of other customers. Also discover our comparisons by categories. You won’t have to choose your products at random anymore.
No. 1
Acc Climate Control PC 5-Relay Circuit Control Board for Three Speed Units, PN: 11126755B 11127003B (Old PN...
- Three Speed Control: Allows for precise management of blower motor speeds.
- High-Performance Relays: Equipped with 5 relays for efficient operation.
- Durable Construction: Built to withstand the demands of commercial vehicle use.
- Compatibility: Suitable for various commercial HVAC systems.
- Other part numbers: 11127003B / 11126755B / 04278701B / 04278801A
No. 2
Flex-A-Lite Variable Speed Controller and Relay Kit with Thread-In Temperature Sensor, Fan Controller With...
- One Flex-A-Lite Variable Speed Controller with Electric Fan Relay Kit and Thread-In Temperature Sensor (31163)
- This variable speed cooling fan controller has a built-in relay function, which means no need for external relays
- Flex-A-Lite Variable Speed Control Module includes 1/4-inch NPT threaded temperature probe with 3/8-inch and 1/2-inch thread adapters
- Automotive fan controller starts fans at 60 percent power and increases speed as temperature rises; and runs fans for up to 25 seconds after the vehicle is turned off to remove excess radiator heat
- The Flex-A-Lite Variable Speed Controller is the perfect companion to automotive electric dual-fan systems
$190.99
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No. 3
674-00923 Dual Speed Electric Fan Control Wiring Harness Kit with Relay Compatible with Chevy Avalanche...
- Attention: Our dual-speed fan control harness relay kit is specifically designed for 34-inch wide radiators. It is not compatible with other sizes, please confirm your radiator width before purchasing
- Fitment: Compatible with Chevrolet Silverado 1500/2500 Classic, Avalanche 1500/2500, Suburban 1500/2500; GMC Sierra 1500/2500/3500 Classic, Yukon; Cadillac Escalade EXT/ESV. Please refer to the pictures for detailed models before purchasing
- Replacement Part Number: 674-00923. Precisely manufactured to OE factory standards for durability and reliability. Each wire and terminal is rigorously tested before shipment to guarantee lasting performance, safety, and dependable operation
- Enhanced Efficiency: Designed to support both low and high-speed operation of dual electric fans, this harness kit ensures optimal temperature regulation under all driving conditions. Ideal for upgraded or retrofitted cooling systems
- Durable & Heat-Resistant Harness: Made with automotive-grade wiring and weatherproof components for reliable performance in harsh engine bays. Complete stand-alone design with relays, fuses, and connectors for simple fan wiring installation
No. 4
Spheros 11127003B 5-Relay HVAC Control Board | Tool-Free Lever-Lock Connectors | Diagnostic LEDs | Replaces...
- DIRECT OEM REPLACEMENT: Authentic 5-relay logic board designed to replace Spheros, Valeo, and ACC Climate Control part numbers 11127003B, 11126755B, 04278801A, and 04278701B. Fits widely used commercial "ArcticSphere" and "Globus" rear HVAC units.
- TOOL-FREE LEVER CONNECTORS: Features premium Lever-Lock terminals for the Blower High/Med/Low and Condenser connections. No crimping required—simply strip the wire, flip the lever, and lock it in for a vibration-proof connection.
- BUILT-IN DIAGNOSTICS: Equipped with on-board LED Indicators that light up to instantly troubleshoot system faults. Yellow indicates relay operation, Red indicates system power, and Green warns of an open/blown fuse.
- HEAVY-DUTY 5-RELAY LOGIC: Controls High (35A), Medium (30A), and Low (20A) blower speeds plus Compressor (7.5A) and Condenser (30A) functions. Rated for high-vibration environments found in transit buses and school buses.
- COMMERCIAL APPLICATION: Standard equipment on many bus AC systems (including IC Bus, Thomas Built, and other School Bus applications) equipped with rear ACC/Spheros climate units. Integrated blade fuses protect each circuit independently.
SaleNo. 5
Weasch Electric Cooling Fan Control Module Relay Radiator, 1J0919506K for Volkswagen VW Beetle Golf Jetta Audi...
- OE Number: 1J0919506K
- Vehicle Specific Fit：Suitable for Volkswagen Beetle 2000-2010, for Volkswagen Beetle Convertible 2003-2010, for Volkswagen Golf 2000-2006, for Volkswagen GTI 2000-2006, for Volkswagen Jetta 2000-2005, for Volkswagen Jetta GLI 2002-2005, for Volkswagen...
- Product Characteristics: The cooling fan control module relay is made of durable materials, corrosion-resistant, not easy to deform, and resistant to high or low temperatures
- Features: Alloy conductors minimize electrical resistance for precise fan speed and engine cooling control
- Package: 1 pcs Radiator Fan Control Module
No. 6
Ohleats 4-Pack 4 Pin 12V 30A Heavy Duty Stable Relay Replacement for Motor Automotive, Multi-Purpose...
- 【Practical Function】: There are 4 pin and 5 pin relays to choose from. You can also choose a 2-pack or 4-pack. These 12V 30A relays can be used to control the circuits of high-current load components on vehicles, allowing the components to function...
- 【Safety Design】: It adopts silver alloy contact design, and the surface is not easy to oxidize. The all-copper electromagnetic coil can make the temperature rise lower and the suction power stronger. It can withstand larger currents, making working...
- 【Reliable Quantity】: The shell of this relay is made of black plastic material, which has excellent insulation and is waterproof and flame retardant. Its pins are made of copper, which has good electrical conductivity and is not easy to deform and...
- 【Easy to Use】: The operation of the car relay is very simple. There is no need other tools, just connect the relay with the wires. Plus, it is small and compact in size which makes it easy to store in a toolbox at home or in the trunk of your car for...
- 【Wide Application】: This relay is versatile. It can be widely used in automobile taillights, engine compartments, electric cooling fans, electric water pumps, electric fuel pumps, shaving door handle solenoid valves, trunk solenoid valves and other...
No. 7
Standard Motor Products RCM12 Relay Control Module, Black
- Country Of Origin : China
- The Package Height Of The Product Is 4.02 Inches
- The Package Length Of The Product Is 11.18 Inches
- The Package Width Of The Product Is 7.61 Inches
- Fit type: Vehicle Specific
No. 8
4 PCS Relays, 5 Pin Relay, 40A Waterproof Car Relays, 12V Relay Switch for Electric Cooling Fans, Motor...
- Quality Material: The a/c relay housing is made of PA66 flame-retardant material with pure copper enameled wires to ensure excellent heat dissipation and magnetism, which enhances resistance to high temperatures and arc erosion, providing excellent...
- Excellent Waterproof Performance: The fuel pump relay base is sealed and waterproof with IP67 protection level, waterproof and dustproof, able to work stably in all kinds of humid environments, ensuring long-term reliability and durability of the relay
- Relay Specifications: Package contains four starter relays, each model number JD1914-12V-40A, five-pin design, size 1.07 x 0.98 inches, coil power 1.8 watts, coil resistance 90Ω
- Easy Installation: The five-pin design of the radiator fan relay makes it easy to replace an existing relay by simply connecting the appropriate wires to the corresponding pins. No additional tools are required, making the installation process easy and...
- Wide Application: The relays are widely used in a variety of electric vehicles such as automobiles, motorboats, etc. The relay box can be a nice replacement for 582195, 582472, 582473, 584416, 586147 and 586224. They can also be used in a variety of...
No. 9
NYTKL CF13 LED Flasher Relay, 3-Pin CF13 JL-02 EP34 Electronic Flasher Blinker Relay, 12V Electronic Relays...
- Practical Function: Our flash relay effectively solves various automotive flashing light issues, with one of the relays can adjust the frequency. It serves as a direct replacement for the damaged flash relay and restores normal bulb operation disrupted by...
- Premium Housing: This automotive relay is housed in a robust casing that can withstand deformation and breakage under intense pressure. The high-quality housing offers excellent flame and heat resistance, enabling efficient operation in temperatures...
- Reliable Material: These relays are equipped with pure copper coils for excellent electrical conductivity. The silver alloy contacts and copper pins ensure maximum durability and stability, providing a secure and stable electrical connection and extending...
- Product Parameter: Available in an adjustable relay size of 1.18×1.22×2.13 inches and a fixed relay size of 1.18×1.18×1.63 inches. This relay supports a maximum switching current of 5A and a maximum load current of 10A, with a maximum switching...
- Versatile Application: The 3-pin CF13 JL-02 EP34 electronic flasher relay is compatible with 12V electrical systems, making it suitable for most cars, trucks, and marine applications. It is the ideal choice for headlights, horns, and auxiliary lighting...
No. 10
Yourkar 2 PCS Car AC Relay, G8HL-H71-12VDC 4 Pins AC and Starter Relays, Multiple Power Relay Assembly Starter...
- 【Practical Function】: AC relays can be used to control a variety of electrical equipment by controlling the on-off of a circuit. And it can convert low voltage and small current signals into high voltage and high current control signals to realize...
- 【Excellent Quality】: It is made of high quality brass with good corrosion resistance and high electrical conductivity, ensuring a secure electrical connection even under prolonged use. It can effectively resist environmental erosion and extend the...
- 【High Performance】: This relay offers significant advantages in the automotive industry, responding precisely to AC electrical signals for fast on-off control of circuits. Please note: The number in the last row of the product is the serial number...
- 【Easy to Carry】: It measures 0.87 x 0.57 x 1.07 inches and is very easy to carry. It is suitable for ordinary cars and easy to operate. You only need to connect the relay with wires, no other tools are needed, convenient for you to use and replace, so...
- 【Wide Application】: Our relays are designed to be flexible and suitable for a wide range of applications. It can be applied to apply to air conditioning, fan, starter, headlight, horn, ignition, fog light, rear window defroster, blower, baggage light...
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Last update on 2026-04-17 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Speed Control Relays
Understanding Speed Control Relays
A speed control relay, also known as a cruise control module, is a key component that manages your vehicle's cruise control system. It receives input from various sensors and the cruise control switch to maintain a set speed. When your existing relay fails, the cruise control may stop working altogether or behave erratically.
Key Features to Consider
- Compatibility: Ensure the relay is designed for your specific vehicle's make, model, and year. Using an incompatible part can lead to system malfunctions or damage.
- Durability: Look for relays constructed from high-quality materials that can withstand engine bay temperatures and vibrations.
- Brand Reputation: Opt for reputable manufacturers known for producing reliable automotive electrical components.
- Warranty: A good warranty period can offer peace of mind, protecting your investment against defects.
Installation and Testing
Replacing a speed control relay typically involves locating the module, disconnecting the battery, and swapping out the old unit for the new one. While some DIY enthusiasts may find this straightforward, professional installation is recommended if you are unsure. After installation, test the cruise control system in a safe, open area to confirm it functions correctly.
Troubleshooting Common Issues
If the cruise control still doesn't work after replacing the relay, the issue might lie elsewhere in the system. Common culprits include faulty speed sensors, brake light switch problems, or wiring issues. It's advisable to have a qualified mechanic diagnose persistent problems to avoid further complications.
Frequently Asked Questions
What are the signs of a failing speed control relay?
Symptoms of a failing relay include the cruise control not engaging, disengaging unexpectedly, or maintaining speed erratically. You might also notice warning lights on your dashboard related to the cruise control system.
Can I use a relay from a different car model?
It is generally not recommended to use a relay from a different car model, even from the same manufacturer. Electrical systems and specifications can vary significantly, and an incorrect part could cause damage or fail to work.
How do I find the correct relay for my vehicle?
Consult your vehicle's owner's manual for the exact part number or consult an automotive parts catalog. Providing your car's VIN to a reputable auto parts store can also help ensure you get the correct replacement.
Are there different types of speed control relays?
Yes, while the primary function is the same, designs can vary based on the vehicle's age and complexity. Some modern vehicles may use integrated modules rather than standalone relays for their cruise control functions.
What is the lifespan of a speed control relay?
The lifespan of a speed control relay can vary greatly depending on the quality of the component, driving conditions, and vehicle maintenance. They are generally designed to last the life of the vehicle, but can fail due to electrical surges or wear and tear.
Is it possible to repair a faulty relay?
Repairing a speed control relay is typically not feasible or cost-effective. These components are usually sealed units, and replacement with a new, compatible part is the standard and most reliable solution.
