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Ensuring your vehicle's electrical system functions optimally is crucial for safety and performance. Replacement relay control modules are vital components that manage various electrical circuits. Selecting the correct relay ensures proper operation and prevents potential damage to your vehicle's sensitive electronics.
SPECIFICATION --- working voltage DC 6-30V; timing range 0.01s-9999mins continuously adjustable.
TRIGGER --- support high level support, low level trigger, button trigger control, switching value control, available for most applications.
INDEPENDENT PARAMETER --- able to set different OP, CL, LOP parameters which are independent and saved separately; support viewing currently set parameters without affecting system operation.
OTHER FEATURES --- clear LCD display; support UART data uploading and parameter setting; with pause button, support one-button pause; with automatically sleep mode; with input reverse connection protection; with power-off auto storage function.
NOTE --- no trigger cable or connector included, need to be purchased separately.
[BOSCH EXPERTISE] - Bosch has been producing relays for vehicles and other applications for more than 40 years - this vast development experience ensures continuous advancement in design features to deliver optimum performance
[COMPACT SWITCHING] - Bosch Mini Change Over Relays feature a compact design and are used in a wide range of vehicles to perform switching operations
[PREMIUM PERFORMANCE] - Bosch relays incorporate only premium quality materials for reliable, long-term performance and a 250,000 switching cycle capability
[ADVANCED ENGINEERING] - Engineered with high corrosion resistance to ensure long term reliability in harsh environments and conditions
5 pins, 24V DC, 20/10A; Diode coil connection; Sold individually
This part requires programming and/or special setup procedures. GM Service Information or equivalent describes the procedures and special tools needed to ensure proper operation in the vehicle.
Dictates the operation of your vehicle’s vital systems, which is critical to the performance of your vehicle
GM-recommended replacement part for your GM vehicle’s original factory component
Manufactured to GM OE specification for fit, form, and function
This part requires programming and/or special setup procedures. GM Service Information or equivalent describes the procedures and special tools needed to ensure proper operation in the vehicle.
Dictates the operation of your vehicle’s vital systems, which is critical to the performance of your vehicle
GM-recommended replacement part for your GM vehicle’s original factory component
Manufactured to GM OE specification for fit, form, and function
4 MODE TIME DELAY RELAY: DROK 12V relay is provided with 4 different settings and supports various triggering signal source, like positive side of power supply triggering, Button, PNP sensor, PLC signal, which is available for most of applications.
WIDE ADJUSTABLE TIMING RANGE: This off delay relay supports widest timing range, 0.1 seconds to 999 minutes adjustable, which can fulfilled your various need.
STRONG ANTI-INTERFERENCE ABILITY: The output of digital timer relay adopts optocoupler isolation, which enhances the capacity of resisting disturbance power consumption.
SUPER SIMPLE OPERATION: Our relay board is operated by buttons and the delay module is equipped with LED digital display which is convenient for you to check the set value.
AUTOMATIC SAVING FUNCTION: After you finish the setting, you can cut off the power and then the parameters will be saved automatically, handy and convenient.
FREE SHIPPING to anywhere IN USA and territories For This Item
4PIN
Condition Good Condition. Shows minor signs of usage. Thoroughly bench tested. Relays are powered and checked for resistance as well as proper functionality.
Working AC may not seem like a big deal to have. But when it hits the dead hot of summer and rolling down the window just won’t do, feeling that cool breeze on your face would seem like heaven. Fix that AC relay and say goodbye to sweating in your car.
Made from high-quality materials, good bending performance, melting resistance and excellent electrical conductivity
PRODUCT LIFE: All modules are 100% tested with automated computerized test equipment to ensure functionality and reliability. Guaranteed fit and function
OPTIMAL PERFORMANCE: 100% resolder of critical components ensures superior electrical connections, no intermittent failures and longer product life
QUALITY CONTROL: On-car vehicle validation routines ensure that modules meet all form, fit, durability and performance requirements
OE NUMBERS: Ford (XR3F12B577AB, XR3F12B581AB, XR3F12B581AC, XR3Z12B577AA). Meets or exceeds O.E.M performance
Last update on 2026-07-18 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Relay Control Module Relays
Understanding Relay Function
Relay control modules act as electrically operated switches. They use a low-power circuit to control a high-power circuit, such as those for headlights, fuel pumps, or window motors. A faulty relay can lead to intermittent electrical issues or complete component failure, making timely replacement essential.
Key Specifications to Consider
Voltage and Amperage Rating: Ensure the replacement relay matches or exceeds the original specifications for both voltage (typically 12V for automotive) and amperage. Exceeding the amperage rating is generally safe, but using a lower-rated relay can lead to overheating and failure.
Contact Configuration: Relays come in various configurations (e.g., SPST, SPDT, SPST-NO, SPST-NC). The most common for automotive applications is a Single Pole, Double Throw (SPDT) or Four-Pin configuration. Verify the pin arrangement and function to ensure compatibility.
Terminal Type and Number: Relays have different terminal types (blades, pins) and quantities. Match the physical connector and the number of terminals on the new relay to the socket in your vehicle.
Brand Reputation and Quality: Opt for reputable brands known for producing reliable automotive electrical components. High-quality materials and construction contribute to longevity and consistent performance.
Installation and Compatibility
Always disconnect the vehicle's battery before replacing any electrical component to prevent short circuits. Consult your vehicle's owner's manual or a repair guide to locate the specific relay and understand the correct installation procedure. Ensure the replacement unit is designed for your vehicle's make, model, and year.
Troubleshooting Common Issues
Symptoms of a failing relay can include non-functional accessories, clicking sounds from the fuse box, or intermittent operation. If you suspect a relay issue, you can often test it using a multimeter or by swapping it with a known good, identical relay from a non-critical circuit (if available and compatible).
Frequently Asked Questions
What is the primary function of a relay control module in a car?
A relay control module acts as an electrically operated switch. It uses a low-current control circuit to switch a high-current circuit on or off, protecting sensitive components and allowing for remote operation of electrical devices.
How do I know if my car's relay needs replacement?
Common signs include malfunctioning electrical components like lights, wipers, or power windows, intermittent operation of these systems, or a distinct clicking sound coming from the fuse box area. Sometimes, a visual inspection for burnt contacts can also indicate failure.
Can I use a relay with a higher amperage rating than the original?
Yes, using a relay with a higher amperage rating is generally safe and can even offer increased durability. However, never use a relay with a lower amperage rating, as this can lead to overheating and potential fire hazards.
What does the pin configuration on a relay mean?
The pin configuration refers to the number and arrangement of electrical contacts on the relay. Common automotive relays have 4 or 5 pins, determining how the switch operates (e.g., normally open, normally closed, or a changeover function).
Where can I find information about the correct relay for my vehicle?
Your vehicle's owner's manual is the best place to start, often listing fuse box diagrams and relay assignments. Automotive repair manuals and reputable online databases specific to your car's make and model are also excellent resources.
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