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The 8 Best automotive engine control module wiring relays of 2024

Are you trying to find automotive engine control module wiring 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 engine control module wiring 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 26 hours of research and did 37 automotive engine control module wiring 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 engine control module wiring relays you can buy today

No. 1
Standard Motor Products RY401 Engine Control Module Wiring Relay
  • Intermotor Relay
  • Package dimensions: 4.0 L x 1.75 W x 4.06 H (Inches)
  • Fit type: Vehicle Specific
  • Well crafted quality accessory
No. 2
UCTRONICS DC 12V Time Delay Relay Module for Smart Home, Tachograph, GPS, PLC Control, Industrial Control, Electronic Experiment, Arduino Robot
  • Operating Voltage: DC 12V; Quiescent Current: 5.5mA; Max. Operating Current: 42mA; Max. Load Voltage: terminal NC is DC 30V or AC 250V, terminal NO is DC 28V or AC 125V; Max. Load Current: 10A
  • Functions: Supports on delay and off delay modes, the delay time can be adjusted from 0.1s to 1h, the delay mode and delay time can be set by shorting or opening the jumper pins and rotating the potentiometer.
  • Self Protection: Built with protection against reversal diode, supports anti-reverse protection. NOTE: Please remove the jumper cap of S5 when controlling AC current or DC current voltages other than 12V, otherwise the module will be burned or will not work properly.
  • Applications: This module works as a switch with time delay on and off function, highly recommended for automotive circuit modification, and LED lights, DC motors, pump and smart home control system.
No. 3
iJDMTOY (1 Universal LED Daytime Running Light Automatic ON/Off Controller Module Box Relay
  • Easily enable the LED daytime running lights' on and off with the car engine on and off
  • No need to find ACC in fuse box nor the annoying tap wire process
  • Work with most LED daytime running on the market Wattage capacity: 12W
  • Delay turn on time: 5 sec Delay turn off time: 15 sec Size: 2.25" (L) x 1.75" (W) x 0.85" (D)
No. 4
KeeYees 5pcs 1 Channel 5V Relay Module Board Shield KY-019 LED Indicator for Arduino + 3pcs 20CM 10Pin Female Male Jumper Wires
  • The relay can directly control a variety of equipment and loads, which meets international safety standards, and also has power and relay indicators.
  • This relay can be used not only as a microcontroller development board module, but also as a home appliance controller.
  • No need to buy the Jumper Wires extra, this set contains 20cm 10Pin female to female, female to male, male to male Dupont Jumper Wires, with which you can easier to complete the project.
No. 5
Engine Control Module Wiring Relay Compatible With Toyota Tacoma 1998 1999 2000 2001 2002 2003 2004 2005 2006 2007 PC-196336
  • 📦 Includes 1 (One) Engine Control Module Wiring Relay
  • 👉 Fits list of vehicles in image gallery fitment chart
  • ✅ Exceptional Quality and Performance: This OE replacement engine control module wiring relay is designed to meet, if not exceed, the performance and quality standards of the original equipment installed on your vehicle. Experience the same high-level performance as your original parts with this engine control module wiring relay.
  • ✅ Direct Replacement, No Fuss: This OE replacement engine control module wiring relay is meticulously designed for your specific vehicle
  • ✅ Perfect Compatibility: Compatibility is key. Make sure to check our product specifications (in image gallery) to confirm that this OE replacement engine control module wiring relay matches your vehicle
No. 6
Heavy Duty Starter Relay, Multi Purpose for Car Motor Automotive Replacement Accessories, Black , 5 Pin, 30A (8 Pieces)
  • Product number: the product model is JD1914-12V-30A, 12V 30A SPDT 5 Pin Relay; The product is not suitable for all models and brands, please check the specifications carefully to confirm whether it is applicable before purchasing
  • Sufficient for using: 5 pin! 5 pin! 5 pin! you will receive 16 pieces 12V 30A 5 pin relays, enough quantity can meet your daily use and replacement, you can share them with your friends and family who need them, these relays are 5 plug please note when ordering
  • Easy to use: 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
  • Specifications information: 30A 12V Relay can be applied to control electrical circuits for components on a vehicle that have a high amperage load, such as headlights, fuel pumps and cooling fans
  • Extensive usages: the automotive relay is practical and convenient, can be applied to car tail light, engine compartment, electric cooling fans, electric water pumps, electric fuel pumps, shaved door handles solenoids, trunk solenoids and other equipment
No. 7
Engine Control Module Wiring Relay Compatible With Toyota Sequoia 2001 2002 2003 2004 2005 2006 2007 PC-196327
  • 📦 Includes 1 (One) Engine Control Module Wiring Relay
  • 👉 Fits list of vehicles in image gallery fitment chart
  • ✅ Exceptional Quality and Performance: This OE replacement engine control module wiring relay is designed to meet, if not exceed, the performance and quality standards of the original equipment installed on your vehicle. Experience the same high-level performance as your original parts with this engine control module wiring relay.
  • ✅ Direct Replacement, No Fuss: This OE replacement engine control module wiring relay is meticulously designed for your specific vehicle
  • ✅ Perfect Compatibility: Compatibility is key. Make sure to check our product specifications (in image gallery) to confirm that this OE replacement engine control module wiring relay matches your vehicle
No. 8
Miytsya 4 Pack Car 5 Pin Relay Switch 12V 30A SPST, Waterproof Stable Relay, Multi-Purpose Relay Heavy Duty Standard Relay Kit, Universal for Car Motor Replacement Accessories (Black)
  • ★ Specifications: You will receive 2/4 12V 30A 5-pin relays measuring approximately 1.41 x 0.94 x 0.63 inches / 3.6 x 2.4 x 1.6 cm. The 30A 12V relays can be used to control the circuits of components in vehicles with high current loads, such as headlights, fuel pumps and cooling fans.
  • ★ Quality Material: The power relay assembly is made of High quality composite and the pins are made of brass to withstand hot and cold conditions. Durable, rugged, unbreakable and corrosion resistant, they will support you for a long time and are suitable for replacement and repair of AC relays.
  • ★ Smooth Running: The housing is protected from harsh temperatures and hood conditions, for extended wear. All parts are manufactured to exacting quality requirements. Relays play an important role in the ever-increasing number of automotive electronics.
  • ★ Widely Used: Starter relays can be commonly used in air conditioning compressor fan motors, starters, headlights, horns, ignitions, fog lights, headlights, fans, rear window defrosters, blower motors, cargo lights, running lights, oxygen (O2) sensor relays, fuel pump/disconnect relays, and other accessories.
  • ★ Easy to Use: 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.
SaleNo. 9
iJDMTOY (1 10-Second Time Delay Relay Module, 5-Pin 12V 30A SPDT, Compatible with Automotive Lighting
  • 1 piece 5-Pin 12V 30A SPDT cube-style Relay (size: 1.65" x 1.25" x 1.25", the time delay relay box is taller than regular relay box, please see picture-7 to confirm the size before buying)
  • Allow approx 10 seconds delay to turn on the light
  • Good for most car/motorcycle retrofit lights that do not have switch or want to delay the turn-on time to protect the battery or circuit/fuse, perfect for high power lighting applications such as LED light bar, LED work lights, xenon system, etc
  • Direct plug in to most 4-pin or 5-pin sockets (since the delay relay is polar sensitive, if it does not trigger the light up, please flip the input wires around, see demo video)
SaleNo. 10
Compact Adjustable Electric Fan Controller and Relay Kit with Push-In Probe
  • Push-in temperature sensor installed easily between radiator tubes and fins
  • Adjustable fan activation from approximately 160 - 220° F
  • Includes 30-amp relay and inline fuse
  • Rated for use with fans up to 20-amp draw (continuous)
  • Activates the electric fan whenever the A/C is on for optimum A/C performance and engine cooling
No. 11
BLAU GRUN 4 Pin 12V 30A Relay Multi-Purpose Automotive Relay Heavy Duty Standard Relay for Car Motor, Auto Universal Replacement Accessories
  • [Reliable Quality] The black shell is made of nylon material, which is electrical insulation, and the pin is made of brass, which can withstand cold and hot condition. Very durable and sturdy in use, no deformation and rust, perfectly made for long-term use.
  • [Specification] The size is 1.41 x 0.94 x 0.63 inch/ 3.6 x 2.4 x 1.6 cm approximately. Our 30A 12V relay can be used to control the circuits of components with high amperage loads on vehicle, such as headlights, fuel pumps and cooling fans.
  • [Easy to Use] Our motor relayis suitable for normal antomobile to use, simple operation, you only need to connect the relay and wire, no need other tools, very convenient and easy to use and replace, allow components work normally.
  • [Application] Our product can be applied to car tail light, engine compartment, electric cooling fans, electric water pumps, electric fuel pumps, shaved door handles solenoids, trunk solenoids and more equipment.
  • [Customer Service] You will receive 4 pieces 12V 30A 5 pin relays. We offer 12-month warranty for every order, you can buy with confidence. If you have any questions and concerns, please feel free to let us know, our team will respond asap!
SaleNo. 12
Nilight SPDT Relay Replacement 12V 5 Prong SPDT Auto Tilt Trim Relay (Pack of 10) 40/30 AMP Electrical Power Relay Switch 5 Pin Bosch Style Relay for Automotive Cars Marine Boats,2 Years Warranty
  • 5 Pin SPDT (Single Pole Double Throw) Bosch Style Electrical Relay.
  • 40A/30A High Switching Capability. These relays have a universal application and can be used in a 12 Volt DC power source, such as automotive setups, car sound systems, security systems, and various other applications.
  • Pin Specifications: 30V DC. Ground (85), Trigger (86), Output N/C (87a), and Output N/O (87).
  • Maximum Applied Voltage: 15.6 V DC; Max Operating Voltage is 27V DC; Nominal Coil Voltage: 12 V DC; Max Operating Current: 40A; Must Operate Voltage: 6~8 V DC; Must Release Voltage: 0.6~3.6 V DC; Coil Power: 1.8 W; Coil Resistance: 80 Ω; Insulation Resistance: 100MΩ
  • Package include: 10 pack electrical relays. Sockets are not included. 2 Year Warranty by Nilight.
SaleNo. 13
Flex-A-Lite Variable Speed Controller and Relay Kit with Thread-In Temperature Sensor, Fan Controller With Temperature Probe (31163), Car Parts, Black
  • 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
SaleNo. 14
Glow Plug Control Relay Connector Wiring, Fit for Ford E-350 E-450 F-250 F-350 F-450 F-550 F650 F750 6.0L 6.4L 7.3L, Replace 4C3Z12B568AA YC3Z12B533AA DY876 YC3Z-12B533-AA
  • Fitments: Diesel engine glow plug relay control module wiring fits for Ford- 6.0L E-350/ E-450 Super Duty 2006 2007 2008 2009 2010 | F-250/ F-350/ F-450/ F-550 Super Duty 2003 2004 2005 2006 2007 | F650/ F750 2004 2005 2006 2007 2008 | E-350 Club Wagon 2004 2005 | E-450 Super Duty 2004 2005 | Excursion 2003 2004 2005.
  • Fitments: Glow plug control module wiring fits for Ford- 7.3L E-350 Club Wagon 2003 | E-450 Super Duty 2003 | Excursion 2000 2001 2002 2003 | F-250/ F-350/ F-450/ F-550 Super Duty 1999 2000 2001 2002 2003 | F650/ F750 2000 2001 2002 2003 | E-350/ E-450 Econoline Club Wagon 1999 2000 2001 2002 | E-350 Super Duty 1999 2000 2001 2002 | E-550 Econoline Super Duty 2002 | Econoline Super Duty 1999 | E-350 Econoline 1995 1996 | F-350 1995. Fits for Ford- 6.4L F-250/ F-350/ F-450/ F-550 Super Duty 2008 2009 2010.
  • Replace Part Number: Glow plug control relay pigtail connector replacement 4C3Z-12B568-AA YC3Z-12B533-AA DY876 YC3Z12B533AA 4C3Z12B568AA. Direct replacement for a proper fit and easy installation, quality materials used, meets or exceeds OEM standards, 100% rigorously tested before shipping.
  • Excellent Function+ Packing Include: If one or more glow plug module connectors on 6.0 liters overheat/melt/or burn out, then replacing the pigtail kit will save you money than replacing the entire engine harness. Packing 1 × black glow plug control relay pigtail connector + 1 × green glow plug control relay pigtail connector.
  • Customer Service: If you have any questions, please contact us by email.
No. 15
Muilty-Purpose 5 Pin Automotive Relay(12V 30A),High Power Trim Starter Relay,Suitable for Car Motor Headlamps,Engine Compartment,Horn,Fuel Pumps,Trunk Solenoids (2pcs-12V-5)
60 Consomer Reviews
Muilty-Purpose 5 Pin Automotive Relay(12V 30A),High Power Trim Starter Relay,Suitable for Car Motor Headlamps,Engine Compartment,Horn,Fuel Pumps,Trunk Solenoids (2pcs-12V-5)
  • Please note! : Products are not suitable for all makes and models. Please check the specifications carefully to confirm suitability before purchase. The model number is JD1914-12V-30A, 12V 30A SPDT 5-pin relay. Laser engraved, environmentally friendly.
  • 【Standard 12 V Relay】This 5-pin relay operates at 12V and measures about 1.02 x 0.94 x 0.63 inches,more versatile than a 4-pin relay,with a set of power normally open,a set of normally power closed,a set of power conversioon conntact arrangement,and can control normally open or normally closed high power.
  • 【Strict quality requirements】We have been using excellent new pure copper, the team laboratory after tens of thousands of tests, the service life can reach more than 100,000 times. Only to ensure that the product is excellent, so that you can use the safety and peace of mind.
  • 【More Purpose 5-Pin Relay】Automotive relays are used in various applications such as home appliances, automation systems, electronic equipment, instruments, receivers, audio equipment, automotive intelligence, etc,and are very easy to use.
  • 【Reliable construction】The motor relay adopts pure copper pin and silver alloy contact, which improves the stability of the contact as well as sensitivity, stronger conductivity, and carries more electric flow. Insulated housing seam is treated with water-proof, which can work normally in bad environment such as rain and snow
No. 16
TRUE MODS 6 Pack Bosch Style 5-Pin 12V Relay Kit [Interlocking Harness Socket Holder] [14 AWG Hot Wires] [SPDT] [30/40 Amp] 12 Volt Automotive Relays for Auto Fan Cars
  • User Manual available for download under Product Information Details
  • Bosch style 12VDC (14V Max) 5-Pin SPDT (Single Pole Double Throw) Relay with 40A/30A High Switching Capability.
  • Interlocking design relay socket harness base for easy cable management & organization.
  • Heavy duty 14AWG wires for the main contact and pre-wired with 6" pigtail leads.
  • Wire Specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), Yellow - Output N/C (87a), and Blue - Output N/O (87).
No. 17
iJDMTOY (1 LED Daytime Running Light Automatic On/Off Switch Controller Module Box (Enable DRL Turn On When Engine Starts)
  • Easily enable LED daytime running lights' On/Off together with the car engine On/Off
  • No hassle of finding the ACC in fuse box nor the annoying tap wire process and works with most LED daytime running lights on the market
  • Wattage capacity: 12W, Delay turn on time: 5 sec, Delay turn off time: 15 sec
  • Size: 2.00(L) x 1.00(W) x 0.55(D) inches
No. 18
Tallew Power Trim and Tilt Relay Automotive Relay 584416 586224 Replacement for Car Boat Outboard Motor, 30Amp, 12V (4 Pieces)
  • 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
  • Reliable Workmanship for Lasting Service: 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
  • 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
  • Easy to Operate: to use the automotive relay, you just need to insert it in the circuit by connecting it with wires, convenient to install and replace, not occupying too much time, easy to carry around
  • Satisfactory Practicality in Life: the power trim and tilt relay can be widely applied on various occasions, such as automobile, boat, and many other electric equipment, convenient and efficient
No. 19
Cardone 77-6404 Remanufactured General Motors Engine Control Module (ECM) / Computer
  • On-car vehicle validation testing ensures product fits and functions properly
  • OE components with high failure rates are 100% replaced
  • All electronic modules are 100% tested to ensure they meet OE requirements for the application
  • Advanced robotic equipment ensures precision made units and consistent high quality with every part
  • Every unit is 100% tested to ensure quality and reliability
SaleNo. 20
Hayden 3651 Universal Add-On Adjustable Thermostatic Fan Control Kit, Custom Fitting & Wiring Required
  • Adjustable thermostatic fan control
  • For use with Rapid-Cool and super duty electric fans
  • Contains gaskets, o-rings, or seals to properly replace the product
  • Zinc coated terminal to resist corrosion
  • Screw-In Type/Thread-in probe for installation in water jacket or radiator
  • Adjustable thermostatic fan control
  • For use with Rapid-Cool and super duty electric fans
  • Thread-in probe for installation in water jacket or radiator

How to choose a good automotive engine control module wiring relays

Does the idea of finding a fantastic automotive engine control module wiring 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 engine control module wiring 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 engine control module wiring 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 engine control module wiring 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 engine control module wiring 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 engine control module wiring 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 engine control module wiring 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 engine control module wiring 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 engine control module wiring relays.

Durability: Durability and reliability are closely related concepts. You will benefit from a strong and long-lasting automotive engine control module wiring 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 engine control module wiring 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 engine control module wiring 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 engine control module wiring relays.