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Ensuring your vehicle's electrical systems function optimally is crucial for safety and performance. Choosing the correct ATC power module relay is a vital step in maintaining your car's electrical integrity. This guide will help you navigate the options and select the most suitable replacement.
【❗Fitment (Compatibility Description):❗:】 4-Terminal Male Relay Harness Connector With Factory-Style Mating Features For The Listed Years And Model.
✅【 Function (Component Description):】 Provides The Electrical Connection Between The Vehicle Wiring Harness And The Hvac Power Module (Atc) Relay Circuit.
✅【 Replacement Reason (Service Description):】 Commonly Replaced When The Factory Connector Becomes Corroded, Broken, Or Fails To Maintain A Secure Electrical Connection.
✅【 Construction and Material:】 Molded Connector Housing With Stamped Metal Terminals And Retention Features.
✅【 Direct Replacement Design:】 Design Designed As A Direct Replacement Component For Compatible Vehicles, Matching Original Form and Specifications.
【6 Way Relay Box】 - This 12v relay box features 6 dedicated slots for neat and organized relay installation, keeping your wiring system tidy. Easily replace a faulty relay individually without disturbing the entire setup, minimizing maintenance...
【Integrated Fuse Block】 - Equipped with 6 fuse slots, the 12 AWG pre-wired relay box allows you to install compatible fuses for each circuit, providing dual protection against overcurrent. Fuses blow first to safeguard your devices from damage...
【Pre-Wired & Color-Coded】 - This factory-prewired fuse relay block features color-coded wires (e.g., red for power, black for ground, blue for signals) for intuitive connections. The high-power relay side is equipped with 12AWG heavy-duty wires...
【Splash & Dust Resistant】 - This relay box is sealed with a durable top cover and rubber gasket, blocking dust, splashing water, and light rain (not fully submersible). Ideal for harsh environments like engine bays, marine setups, or outdoor...
【Universal 12V Application】 - Designed for 12V systems, this 6 way relay fuse box is perfect for automotive, truck, marine, RV, and DIY projects, ideal for controlling lights, pumps, motors, or other accessories. Its modular design streamlines complex...
Integrated Diode: Each relay includes a built-in diode that suppresses induced voltage during switching, safeguarding your electrical components from potential damage.
Small size/Low power consumption/High contact voltage/ High sensitivity.
Contact Material: Ag Alloy / Contact Resistance: ≤ 100MΩ.
Minimum operating voltage 8V, corresponding minimum operating current is 100mA; Standard operating voltage 12V, corresponding standard operating current is 150mA.
Life Expectancy Electrical: 100,000 Operation, Life Expectancy Mechanical: 10,000,000 Operation.
12V Relay Module: Working Voltage: DC 12V; Maximum Load: AC 250V/10A, DC 30V/10A; Trigger Current of Opto-Isolator: 5mA
Fault-Tolerant Design: Fault Tolerant Design, Even if the Control Line is Broken, the Relay will not Operate;All Interfaces of Relay can be Wired Out Through the Terminals Directly,Normally Open and Normally Closed
Optocoupler Isolation:1 Channel Relay Board use Optocoupler Isolation that has Strong Driving Ability and Stable Performance ,The Isolation Circuit Prevent Damages to I / O Port by Relay Switch Current
Jumper Design: The Relay Module has a Jumper That You Can Set Rather the Unit State Changes with High or Low Signal. Has Screw Terminals for Relay (NC,C,NO) and for Input; Coil +, Coil - and Trigger.
Wide Application: DC 12V Relay Module Works Well with ARM /PIC /AVR /MCU/Raspberry/CNC Machine/ PS4 etc.
Reversing relay module. Powers any reversing motor equipment, can be used for any application that requires the ability to reverse motion
Support Momentary-action(Self-resetting) switch and Alternate-action (Self-holding) switch. For Self-resetting switch, when the switch is pressed the motor operates, and when the switch is released the motor stops.
Compact plastic case and wires connect for easy mount.
Forward and Reverse status indicating LED, forward status lighting red, reverse lighting green. When the control switch is not turned on, the module does not consume electric energy.
Rated current 10 Amp, Operating Voltage: 10 ~ 15V DC.
Specifications: This 12v relay box package includes 3pcs 4Pin 80A JD1912 Relays, 9pcs 5A, 10A, 15A, 20A, 25A, 30A ATC/ATO blade fuses. You can replace these fuses according to actual needs
Pre-Wired: 30 Power input red and 87 Normally open output pin yellow is 4mm² wire, handling about 25~32Amp; 85 Control positive pin White and 86 relay Parallel black is 0.75mm² wire 3~6Amp; 86 Control negative pin is 1.5mm² black wire 10~16Amp; Fused...
Dustproof: This fuse relay box includes a top cover and bottom cover. Can block most dust from entering the 12V relay box, and protect electrical components from being touched by wires, effectively improving usage safety. Note: No waterproof bottom, Don't...
Double Protection: The relay box is equipped with 9 fuse slots, 3 of which are wired in series with the relays to provide double overcurrent protection for the circuit. Protecting your equipment from damage and ensuring electrical safety
Application: This fuse relay box is suitable for allmost types of vehicles, including 4x4s, Jeep SUVs, UTVs, ATVs, RVs, pickups, trailers, campers etc. It provides a versatile solution for managing electrical systems in a variety of vehicles, ensuring...
Never go beyond its capabilities. Try to stay 10 to 15% below what the rate is for
12-volt 5-prong relay. Excellent water-repellent and dustproof ability, but not using it in water
Be careful when inserting the relay into the socket. If you force it, you will bend the female connectors
Primary leads use 12 a.w.g tinned copper wire. Coil leads use 16 a.w.g
Nominal Coil Voltage: 12 V DC; Coil Power: 1.8 W; Coil Resistance: 80 Ω; Must Operate Voltage: 6~8 V DC; Must Release Voltage: 0.6~3.6 V DC; Maximum Applied Voltage: 15.6 V DC
Last update on 2026-07-15 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement ATC Power Module Relays
Key Comparison Points
When comparing different ATC power module relays, focus on:
Voltage and amperage ratings
Pin configuration (4-pin vs. 5-pin)
Material quality and construction (e.g., sealed vs. non-sealed)
Brand reputation and user reviews
Warranty period
Prioritizing these factors will help ensure you select a dependable replacement for your vehicle's electrical needs.
Frequently Asked Questions
What is an ATC power module relay?
An ATC power module relay is an electrically operated switch used in automotive applications. It allows a low-current circuit to control a higher-current circuit, protecting sensitive components and wiring.
How do I know if my relay needs replacing?
Common signs of a failing relay include intermittent electrical issues, a clicking sound from the fuse box, or specific components not working at all. If you suspect a relay issue, testing it or replacing it with a known good one is advisable.
Can I use a relay with a higher amperage rating?
It is generally not recommended to use a relay with a significantly higher amperage rating than the original. This can bypass safety features and potentially lead to overheating or damage to the wiring or connected components.
What is the difference between a 4-pin and a 5-pin relay?
A 4-pin relay typically acts as a simple switch, turning a circuit on or off. A 5-pin relay often includes an additional contact for more complex switching operations, such as inverting a circuit or managing multiple load states.
Are universal relays a good option?
Universal relays can be a viable option if they precisely match the required specifications and pin configuration of your vehicle's original relay. However, always prioritize direct-fit replacements for guaranteed compatibility and optimal performance.
How long do automotive relays typically last?
The lifespan of an automotive relay can vary widely depending on usage, environmental conditions, and build quality. Many high-quality relays can last for many years and hundreds of thousands of cycles, but failures can occur due to wear and tear or electrical stress.
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