Are you trying to find automotive speed control relays among various brands on the market but aren’t sure where to begin? To assist you in finding the right one, we’ve put together a list of the 7 best to help you pick the perfect one!
We investigated and evaluated a number of the top-selling automotive speed control relays on the market in order to create our list of the best. Making a decision among the many options available is never simple. There are an infinite number of models available, each with a distinct price. And as you’ll find out, the best options aren’t usually the ones you imagine! This comparison is rich and relevant because of the numerous factors that were employed. You will find products featured in this ranking not only based on their pricing but also on their features and other customers reviews. To write this review, we completed 14 hours of research and did 32 automotive speed control relays tests. You won’t need to pick products at random any more. If you’re unsure of what to look for, browse our list and consult the buying guide!
An overview of our top picks
Table of contents
The best automotive speed control relays you can buy today
- Flex-A-Lite Variable Speed Controller with Electric Fan Relay Kit and Thread-In Temperature Sensor
- This variable speed 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
- Car parts fan controller starts fans at 60 percent power and increases fan speed as the temperature rises, plus it runs fans for up to 25 seconds after the vehicle is turned off to remove excess heat from the radiator
- The Flex-A-Lite Variable Speed Controller is the perfect companion to automotive electric dual-fan systems
- 【Digital Thermal Fan Switch for 0444】Fan switch kit can be used in 12 or 24 volt applications (if you intend to operate 24v fans you will need to purchase standard 24v relays.)
- 【Temperature Range】The electric fan controller kit adjustable temperature range is 104 F to 230 F (40 C to 110 C), and can display Celsius or Fahrenheit degrees. The temperature is set by pressing the set button. (LED digital temp display, actual temp + set temp.)
- 【Work Speed】The adjustable fan controller set can operate 1 or 2 fans. The second fan (if applicable) will start after 10 seconds of fan 1 work. It operates in a hot manner, and also when the air conditioning is running. Circuit type: Pre-programmed micro controller.
- 【Stable Performance】Digital radiator fan switch kit is made of standard material, wear resistant and durable. Professional manufacturing, high qualit, and long service life. size 3.75" x 2.6" x 2.2". Suitable for single and dual fan applications.
- 【Installation Note】The dual electric fan controller kit as supplied with a sensor designed to be placed between the vehicles radiator fins, an adapter kit is required to allow the sensor to be fitted into a coolant hose.
- 【OEM Replacement】 The 48V DC Motor Speed Controller Reaplaces# 1510-5201 1510-5202 1510-5250 1510A-5250 1510A-5251.
- 【Perfect Fit】 The Speed Controller is designed specifically for the 1510 Series Curtis Controller, Compatible with Curtis Club Golf Carts with IQ Electrical System (DS and Precedent) manufactured between the years 2000 - 2008
- 【Excellent Quality】Curtis controllers are separately excited motor speed controllers designed for use in a variety of golf carts and small utility vehicles. These programmable controllers are simple to install, efficient, and cost effective.
- 【Superior Performance】The Speed controller offers smooth, silent, cost effective control of motor speed and torque. The speed sensor input allows superior closed-loop control for regulating vehicle speed without additional relays or contactors.
- 【Warranty】12-Months-Warranty, If you have any questions, please contact us via Amazon Message directly, our professional customer service would help.
- [High Quality Materials]Our 5-pin relay housing is made of high-quality nylon material, which has excellent electrical insulation and waterproof performance, making it safer and more reliable. The flame retardant ensures your safe use.
- [Smooth Operation] The casing is free from harsh temperature and hood conditions, and can wear for a long time. All parts are manufactured according to strict quality requirements. Relays play an important role in the growing number of automotive electronic products.
- [Size and Model] Size 0.9 x 0.98 inches, model G8V-RH-1C7T-R-DC12 12VDC, suitable for 12V voltage. It is designed with five pins to achieve more efficient and stable connections. It is a great replacement for your old or faulty relays, saving you time and money going to repair shops.
- [Instructions] This type of relay is very easy to install and operate. As long as the relay is connected to the wire, the component will function properly. This process can be completed in seconds without the need for other tools, with a compact and lightweight design that is easy to install in small spaces, providing a worry free experience.
- [Multipurpose] Relay is a practical car tool widely used in car tail lights, which can be used for installation of car tail lights, engine compartment, electric cooling fans, electric water pumps, electric cooling fans, headlights, horns, ignition devices, fog lights, headlights, luggage compartment solenoid valves, etc.
- [Compatible]: This dual speed electric fan control wiring harness kit is specifically designed to be compatible with Chevy Silverado, Avalanche, Suburban, Tahoe, GMC Sierra, and Yukon models.
- [Replace OE]: 674-00923. According to oem production standard manufacture. All wires and terminals have been quality checked at the factory to ensure continuity of all terminals and heat and oil resistance of the wires
- [High Quality]: Crafted with high-quality materials and built to meet or exceed OEM standards, this wiring harness kit guarantees durability and long-lasting performance.
- [Function]: The dual speed electric fan control wiring harness an independent fan harness, Only for 34-inch wide radiators.
- [Installation]: The wiring harness includes relays and circuit breakers in the fuse box. All wires are produced with automotive spec wire, installation standard, professional installation is recommended
- [Replace the cooling fan control module] The cooling fan control module effectively regulates the cooling fan to control the engine temperature within a suitable range, protecting the engine.It is compatible with models equipped with dual cooling fans and can directly replace old parts.
- [Reference Number] 30668629, 30723011, 31274211, 31274265, 31293777, 31338823, 31686808, 7T4Z8B658B, LR002660, LR011905, 6G918C607BE, 7T43-8C609-BA LR011907 940004302 940004202 940008500
- [Compatible with]FORD EDGE 2007-2014, Compatible with FORD Mondeo FLEX 2009- ; Compatible with LR2 2008-2012; Compatible with LINCOLN MKX 2007-2015; LINCOLN MKZ 2015; VOLVO S60 2011-2015,Compatible with VOLVO S80 2007-2015, VOLVO V60 2015-2016,VOLVO V70 2008-2010, VOLVO XC60 2010-2016, VOLVO XC70 2009-2018;
- [High-quality and reliable] Our cooling fan control module is heat-resistant, corrosion-proof, and 100% tested for optimum performance. With a 1-year warranty and free replacements, trust in our product's durability and peace of mind.
- [Purchase Tip] when replacing the cooling fan control module, it is important to refer to the original component's appearance and OE number on it. Before making a purchase, please double-check and verify this information. We are dedicated to providing satisfactory service, so if you have any questions, please feel free to contact us.
- Quality Materials: The shell is made of PA66 material and pure copper enameled wire, which has good thermal conductivity, can dissipate heat faster and reduce temperature rise. The compact and repairable structure of the sloped trim relay will hardly break or deform, helping you adjust and switch circuits stably.
- Plug and Play: Compatible with the most universal 12V 5-Pin automotive relay with a 40A switching capability. Easy to process your demand. Please check the dimensions and the direction of the poles carefully before ordering to avoid buying the incorrect product.
- Wide Application: Outboard tilt system application and all automotive devices equipped with a 12-volt dc power source car sound systems, security systems, compressor, air.
- Nice Replacement for Many Relays: The electrical relay box can be a nice replacement for 582195, 582472, 582473, 584416, 586147 and 586224, offering you a pleasant using experience.
- Sufficient Quantity for Using: The package comes with 4 pieces of automotive replacement electrical system relays, enough to meet your using and replacing demands in daily life, bringing you lots of convenience.
- High Quality: Quality materials & advanced technology used, According to the original specifications, it perfectly matches the original car and directly replaces the motor resistance of Even. It works even better and lasts longer. Save yourself times and money by replacing blower motor resistor.
- Fitment: Compatible with 2003-2006 Chevrolet Silverado 1500 2500 3500, 2003-2006 Chevrolet Suburban 1500 2500, 2003-2006 Chevrolet Tahoe, 2003-2006 Chevrolet Avalanche 1500 2500, 2003-2006 Chevrolet Trailblazer, 2003-2006 Chevrolet SSR, 2007 Chevrolet Silverado Classic, 2003-2006 GMC Sierra 1500 2500 3500, 2003-2006 GMC Yukon, 2003-2006 GMC Envoy, 2007 GMC Sierra Classic, 2004-2006 Buick Rainier, 2003-2006 Cadillac Escalade.
- Replaces Part#: 4P1516 4P1595 15-80567 53-69738 BR532 RU-631 20340 RU1321 MT1805 BMR34 JA1639 15-81773 2-BMR34, replace GM 89018778 89019351 19260762 52495874 251946786 52416100 22754990 15850268 10325408 10356906 10397570 15827470 15827491 52497491 89018653 89018849 89018964 93803635 93803636. Please check the part number carefully before purchasing!
- Excellent Performance: The blower resistor which is usually located near the air conditioning filter and blower motor, and it regulates the air speed of the blower motor by varying the resistance and current. If you are unable to accurately adjust the air speed, then you need to replace it with a new blower motor resistor.
- Easy Installation: Simply unscrew the screws, unplug the connectors, and remove the old control relay assembly to replace it directly. easy to install, fast response, high durability.
- Durable Material: Made of a nylon shell and brass pins, the tilt trim relay is compact and serviceable in structure, hardly breaking or deforming, helping you adjust and transform circuit stably.
- Universal Fit: Outboard tilt system application and all automotive devices equipped with a 12-volt dc power source car sound systems, security systems, compressor, air.
- Easy to Use: Compatible with the most universal 12V 5-Pin automotive relay with a 40A switching capability. Easy to process your demand. Please check the dimensions and the direction of the poles carefully before ordering to avoid buying the incorrect product.
- Nice Replacement for Many Relays: The electrical relay box can be a nice replacement for 582195, 582472, 582473, 584416, 586147 and 586224, offering you a pleasant using experience.
- Product List: 4 x automotive replacement electrical system relays, enough to meet your using and replacing demands in daily life, bringing you lots of convenience.
- ✔ Specifications: You will receive 2/4 pieces of 5-pin 12V 30A relays, measuring approximately 1.41 x 0.94 x 0.63 inches/3.6 x 2.4 x 1.6 cm. The model number is JD1914-12V-30A and these relays are 5-plug. 30A 12V relays can be used to control circuits for components on vehicles with high amperage loads, such as headlights, fuel pumps, and cooling fans.
- ✔ Reliable Quality: The black housing of 12V auto relay is made of electrically insulated nylon material and the pins are made of brass with double plating treatment to prevent corrosion and fracture. And the base is sealed and waterproof, not easy to short circuit. Will provide you with long-term support, suitable for AC relay replacement and repair.
- ✔ Superior Performance: The housing is protected from harsh temperatures and hood conditions for extended wear. All parts are manufactured to exacting quality requirements. When your bike has a starting problem and won't start, when your car has a brake light problem, you can use relays to solve those problems.
- ✔ Easy Installation: The motor relay is suitable for normal automobile use and simple to operate, you just need to connect the relay with the wire, no other tools needed, convenient for your use and replace, allowing your components to work properly.
- ✔ Widely Used: Starter relays can be widely used in air conditioning compressor fan motors, starters, headlights, horns, ignition units, fog lights, headlights, fans, rear window defrosters, blower motors, cargo lights, running lights, oxygen (O2) sensor relays, fuel pump/disconnect relays and other accessories.
- 【Adjustment Function】: The led flasher relay adopts an adjustable function design. You can adjust it to the flashing frequency you want. Adjust it clockwise to indicate slow flashing, and counterclockwise to indicate fast flashing. The flashing frequency ranges from 50 times per minute to 200 times per minute.
- 【Wide Application】: The car turn signal flasher relay is suitable for most cars, SUVs, trucks, motorcycles, etc. on the market, helping to upgrade old signal bulbs to LED bulbs. And it can fix the problem of LED bulb related turn signal light super flashing instead of functioning properly.
- 【Plug and Play】: The flasher relay for led turn signal installation is very convenient, plug and play; please pay attention to the pin position when installing, if the pin position is wrong, the flash function will not be achieved.
- 【High Quality】: The led turn signal relay is made of high-quality materials, durable, waterproof and dustproof, long service life, and stable performance; the built-in chip has automatic short circuit protection and automatic overload protection functions.
- 【Product Specifications】: Blinker relay 2 pins. Working voltage: 12V (11V-15V). Maximum power: 42W. Switching power: 0.02A to 12A. Operating temperature: -40°C to +80°C.
- The PAC-2800BT was designed for the ultimate in flexibility and to be a simple add-on in any application using an electric fan. Included is a 70amp relay, enough for even the most power hungry of cooling fans. Fully programmable, the PAC-2800BT will work with your existing water temp gauge, operating from the temperature sending unit already installed. A dedicated sending unit can be installed for applications without a water temp gauge.
- ompatible with single fan, dual fan or single two-speed fan applications.User-settable on and off temperatures.** 70A relay included, additional relay is available for purchase separately; RLY-1 (0-30 amp) or RLY-3 (0-70 amp). The use of a second relay RLY-1 (0-30 amp) or RLY-3 (0-70 amp) will be required for dual fan or two speed fan operation (not included, sold separately).
- User-settable on and off temperatures. The PAC-2800BT features fully programmable "fan on" and "fan off" temperatures to suit any application or personal preferences. The PAC-2800BT offers a full digital LED readout for displaying temperature readings and maintaining simple installation. A second relay is required for dual fan or two speed fan operation, sold separately.
- Type: 4Pin Relay, 12VDC (14V Max) , SPST (Single Pole Single Throw) Relay with 120A High Switching Capability. Perfect for Split Charging or Various Automotive vehicles such as cars, trucks, RVs, boats, Campers, RVs and other vehicles needing a high power.
- Superior Quality: This relay consists of nylon flame retardant shell with pure copper inner core. High quality material is durable and has the characteristics of heat resistance, corrosion resistance and strong electric conductivity.
- Pure Copper Coil: Internal use of pure copper coil, conductive performance is strong, low loss rate. Agsno2 composite silver contact, effective resistance to contact bonding, long service life. Precision design makes electricity more secure.
- Key Functions: The relay acts as a current switch by converting a small current output into a large current. The advent of relays also extended the life of other automotive configurations. With 120A capacity, our relays can easily handle high current applications. This is a perfect make or break relay for your car.
- Package Includes: 1x 120 Amp Split Charge relay.
- 【Two Models】: There are 4-pin and 5-pin available, please purchase them according to your needs. 4-pin model is JD2912-1H-12VDC 40A 14VDC, 5-pin model is JD2912-1Z-12VDC 40A 14VDC. They are responsive, with start-up time≤10ms, release time≤5ms, and excellent working performance.
- 【Practical Feature】: The relay controls the high voltage line current by controlling the low voltage line current and acts as a current switch. It is mainly used in automobiles to start the motor rotation by controlling the high current through the small current, so as to drive the magneto rotor inside the generator to rotate.
- 【Safe & Reliable】: The relay is well sealed, which is waterproof and dustproof to better protect the internal components. The plastic shell is insulated and flame retardant, so it's safer and will not easily fail or short circuit. The brass pins and silver contacts have good electrical and thermal conductivity.
- 【Quantity & Installation】: You will receive 2 relays measuring 2.05×1.13 inches. They are compact and portable enough to fit in a toolbox without taking up much space. You only need to connect the relays with wires without any other tools, so you can easily use and replace them to make your car parts work properly.
- 【Widely Used】: Its working voltage is 12V DC, which suits for cars, motorcycles, ships and more. The high coil capacity of 40A can easily cope with high current. It is broadly applied to install electric cooling fans, electric fuel pumps, electric water pumps, luggage compartment solenoid valves, horns and so on.
- Upgraded Version - Automotive relays built in fuse socket included 30A blade fuses with heavy duty 14AWG wires for main contact. No need of a separate fuse holder, saving space and money. Bosch style 4-Pin SPST (Single Pole Single Throw) Relay.
- Mounting Design Feature - The interlocking mounting design of unique male and female slot on each socket edge, connect relays together and manage cables easily, offering clean and neat installation.
- Easy Wiring - The relay sockets come with color-labeled wires for load/accessories convenient wiring. Black - Ground (85), Red - VDC (30), White - Trigger (86), Blue - Output N/O (87)
- Wide Application - Widely used in car keys power control, over-load protection, trunk release, polarity change, power door lock/actuator control, change a low current output to high current, add ignition/accessory outputs, control motors/other electronics etc.
- Set includes 5 relays, 5 relay harnesses, and 5 30A blade fuses.
- [High Quality] The relay is made of high-quality materials, with long-lasting durability and reliability, meeting or exceeding OEM standards, safe to use, and can be used for a long time.
- [Coil Current] 125mA, coil voltage: 12VDC, contact form: SPDT (1 Form C), contact rated value (current): 35A, coil power: 1.7W.
- [Reference Part Number] 39794-SDA-A03; 39794-SDA-A05; G8HL-H71,1R191, accessory power relay 1R2085 RY737.
- [Affordable] Replacing the AC compressor relay on your own eliminates the need to spend a lot of money at the repair shop, saving money and enjoying the fun of DIY process.
- [Widely Applicable] AC and starter relays are suitable for accessories such as air conditioning compressor fan motors, starters, headlights, horns, ignition, fog lights, headlights, fans, rear window defrosters, blower motors, luggage lights, driving lights, oxygen sensor relays, fuel pump/circuit breakers, etc.
- Compatible with Chrysler: Aspen 2007, Pacifica 2004-2006.
- Compatible with Dodge: Dakota 1997-2007, Durango 1998-2007, Neon 1997-2003.
- Compatible with Ram 1500 1997-2007, Ram 2500 1997-2004, Ram 3500 1997-2004.
- Compatible with Jeep: Cherokee 1997-2001, Commander 2006-2007, Grand Cherokee 1998-2007, Liberty 2002-2006, Wrangler 1998-2006.
- 185 degree Fahrenheit preset thermostatic fan control
- For use with Rapid-Cool and super duty electric fans
- Probe installs in to radiator fins
- Package Dimensions : 8.5" L x 9.88" W x 9" H
- Includes one 5-pin SPDT relay module box with a 10-second time delay turn on feature, reliable and efficient electrical connections
- The time postpone (10 seconds) turn on SPDT 5-pin electrical relay unit, rated at 12V DC with a maximum of 30-40AMP, is ideal for most heavy duty electronic devices, light applications between 9-16V DC, with a wattage not exceeding 160W
- The relay controller box measures 1.65" x 1.25" x 1.25" and features an approximately 10-second delay to turn on the light, making it ideal for most car/motorcycle retrofit lights without a switch or for those wanting to delay turn-on time to protect the battery or circuit/fuse, perfect for high wattage/power lighting
- Perfect for power management, this relay harness is ideal for applications like high wattage horns drawing power directly from the battery to prevent excessive load on the vehicle’s existing wiring system and ensuring safe, easy on/off operation
- Installation tip: directly plugs into most 4-pin or 5-pin relay sockets replacing conventional realy unit, and since the delay relay is polar sensitive, if it doesn't trigger the light, simply flip the input wires around (see demo video)
- Senses coolant temperature and sets fan speed 60-100% for better cooling control
- Directs fans to run for 30 seconds after vehicle is turned off
- Reduces charging spikes and current load on charging system
- Includes A/C relay and manual override switch connections
How to choose a good automotive speed control relays
Does the idea of finding a fantastic automotive speed control relays make you anxious? When it comes to purchasing this product, specifically when deciding which model to select, has your head been spinning between options? You are not alone if that is the case. We are aware of the pressure involved in the purchasing process!
Your presence here indicates that you are interested in automotive speed control relays. Before choosing which product would be the best for your needs after being inundated with information, locate a reliable source with genuine selections. You can get that information from a variety of sources, including buying guides and rating websites, word-of-mouth recommendations from friends and family, online discussion forums where users can share their own experiences, product reviews that can be found all over the internet, and YouTube channels. You can only get the right product through exhaustive analysis. But you realize that’s not always simple. In order to ease your concerns, we have taken the time to develop a list of the top automotive speed control relays products available right now. You might be wondering how we came up with the list. How was this buying guide developed?
First, we used our algorithms to gather as much reliable data as we could about these products. To verify all the data gathered, we used both artificial intelligence and a lot of algorithms.
Then, our experts used criteria that are recognized in the business to evaluate them according to their quality to price ratio, allowing us to choose the top automotive speed control relays on the market right now!
The selection of the goods is not arbitrary. Before creating a list, we take into account a number of factors. Below are some of the criteria discussed:
Brand Value: What happens if you choose a dubious brand just because it appears to be a good deal? So the likelihood of receiving a product with a short shelf life increases. That is due to the fact that well-known brands have a reputation to uphold, while others do not. Top automotive speed control relays brands strive to provide some distinctive traits that set them apart from the competition. So, hopefully one or more of the items on our list will be perfect for you.
Features: Useful features are all you need, not tons of them. We consider the important aspects and select the top automotive speed control relays based on those.
Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products with higher specifications, but with the right balance.
Quality: A product’s quality may always be quantified with the aid of numbers. We look for goods with better standards that strike the proper balance. The best quality product that gets highly appreciated and recommended by experienced users.
Customer ratings: Would it be accurate to suggest that the automotive speed control relays were used by hundreds of customers before you? Superior ratings indicate that many customers had better service.
Customer Reviews: Like ratings, provide you with accurate and reliable information about the product from genuine customers. Customer ratings are very important to all of us because they contain accurate and reliable information about the customer service we received from several hundred customers.
Seller Rank: This is very intriguing! Not only do you need a good automotive speed control relays, you also need a product with rising sales that is trendy. It accomplishes two goals. First, the expanding user base proves the quality of the product. Second, given that number, producers must be able to offer greater quality and after-sales support.
Value: You get what you pay for, they say, so consider the value. Cheap isn’t always good and expensive isn’t always bad. However, that does not imply that spending a lot of money on a product that is flashy but underwhelming is a good idea. Before adding them to the list, we make an effort to evaluate how much value you can get for your money from your automotive speed control relays.
Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting automotive speed control relays for months and years to come.
Product availability: Products come and go, and new ones replace the old ones. Most likely, a few new features and required changes were made. What use is it to use a supposedly good product if the maker no longer supports it? We make an effort to highlight products that are current and offered by one or more trustworthy sellers, if not more.
Negative Reviews: Yes, we do take that into account as well! The goods with the majority of bad reviews are filtered out and disregarded when we choose the best-rated one on the market.
These are the standards by which we selected our automotive speed control relays. Do we end our process there? Hell no. The most crucial fact about us that you should be aware of is that we regularly update our website with current and pertinent information. We have one more layer of filtration since we place the greatest importance on reader satisfaction. Please let us know if any product included here is incorrect, irrelevant, subpar, or simply out of date. We always value your opinions, and we’ll work hard to make any necessary corrections to our list in response to them.
Why should you believe us?
There are now thousands of possibilities for these products on Amazon, but choosing the best one can be difficult and time-consuming. And what automotive speed control relays should you purchase in 2022?
This guide is the result of more than 10 years of experience in researching, testing and writing about many topics. Each member of our team is an authority in their area. We read every article we could find online and every consumer review on every retail website for seven hours. Additionally, we discovered a ton of websites that offered helpful resources, including buying tips and thorough information on automotive speed control relays.
