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A malfunctioning tailgate relay can lead to significant inconvenience and potential damage to your vehicle's rear. Ensuring you select a high-quality replacement is crucial for restoring proper tailgate function and maintaining the integrity of your vehicle. This guide will help you navigate the options and make an informed decision.
40A High-Switch Capacity: Handles 12V/40A loads for demanding systems like A/C compressors, radiator fans, fuel pumps, horns, and defoggers.
For GM Vehicle Compatibility: Direct replacement for Chevy Silverado (2003-2010), Impala (1994-2011), GMC Trucks (1995-2009), Buick Lucerne (2006-2010), Pontiac Grand Prix, and more.
SPDT Versatility: Single Pole Double Throw (SPDT) design lets you switch between two circuits, ideal for complex automotive electrical setups.
Easy Multi-Mount Installation: Compatible with socket or panel mounting. IP65-sealed and dust-cover options protect against moisture and debris.
✅Replace OE Number: 7335274 7317419 Rear Trunk Lid Tailgate Back Door Control Module Unit. [Note]: Please make sure that the part number are the same as yours before ordering
✅Vehicle Fitment: This Rear Trunk Lid Tailgate Back Door Control Module Unit Fits for 2007-2013 X5 3.0L, for 2009-2013 X5 3.0L DIESEL, for 2010-2013 X5 4.4L V8, for 2007-2010 X5 4.8L V8, for 2008-2014 X6 3.0L, for 2008-2014 X6 4.4L V8, for 2010-2011 X...
✅Premium Quality: This tail gate control module is constructed of premium material, which has good corrosion protection, not easy to damage, professional workmanship, stable permance, high durability and reliability, you can use it a long time.
✅Features: Rear trunk lid tailgate back door control module unit is high sensitivity and fast response, easy to install without using special tools, safe and dependable to use. It can direct replacement the old or broken one.
🚗Purchase Note: To ensure you get a better shopping experience, please confirm that your OEM number matches one of the numbers in the item before purchasing. If you have any questions about our products, please feel free to contact us. We will do our...
[Reliable quality]: The shell of The automotive relay is made of high-quality nylon material, which has excellent insulation and waterproof performance, strong and wear-resistant, not easy to deformation and fracture, and can withstand harsh temperatures...
[Functions and Uses]: The car starter switch relays circuits that can control components with high amperage loads on the vehicle, providing safety. It has a wide range of applications in car tail light, engine compartment, electric cooling fans, electric...
[Specifications]: The size of auto fuel pump relay: 0.98 "*0.87" *0.55 ", including 4 Pin 12V 30A relay and 5 Pin 12V 30A relay two specifications, you can choose according to your own needs. Use it to directly replace an old or broken car starter switch...
[Easy to use]: The installation and operation of our auto fuel pump relay is very simple, just need to connect it to the wire, the parts will work properly, no other tools are required. Mini's size design makes this car starter switch relays easy to...
[Buy with confidence]: We are a professional production of auto parts factory, customer satisfaction is our purpose. This car motor automotive replacement accessories is also designed with this idea in mind, and you can buy with confidence. If you have...
Type: 5Pin SPST Relay, Coil voltage: 12V; Current: 35A; model#301-1C-C-R1-U01-1. NO contacts switch 35A resistive load, NC contacts switch 20A resistive load. This relay will work in most vehicles as long as your original relay is 5 pin with all pin’s...
Premium Quality：Made by high-grade materials to ensure superior quality and long lifespan. High Temperature withstand up to 125°C ambient. Designed to deliver trouble-free, consistent performance. General applications for automotive power supplies.
Key Functions: Due to a damaged or worn out sensor, switch, or relay, such problems of Turn signal inoperative,hazard lights and headlights inoperative, cruise control inoperative, warning indicators on the instrument panel, service engine soon light...
Multi-Function Relay: can be Used as headlight relays to make the low beam to stay on when the high beams come on.(Personal needs). Also can be Can be used as Fuel Pump Relay, or worked well on solving windshield wipers problems.Simple fix for...
【IP65 Waterproof】The shell of 4-pin relay harness kit is made of the durable insulation material, the 4 terminals are sealed with strong cap and the rubber ring, making it connected tightly for better waterproof and dustproof so it can work in any...
【Heavy-duty Copper Wires】The 4-PIN relay come with 4 colored wires harness,the pin 87 Blue & pin 30 Red are 12AWG and pin 85 Black & pin 86 White are 16AWG. The tinned copper wires are durable and reliable. Just plug and play and enjoy your ride.
【Specification】12VDC(14V Max) and 40A/30A High Switching Capability. Keep 10-15% below the rate. Black - Ground (85), Red - VDC (30), White - Trigger (86), Blue - Output N/C (87). The 4 pin relay kit works for both positive and negative activation.
【Wide Application】Compatible with most universal 12V 4-Pin automotive relay with 40A switching capability,including car lights,horns,starters,cooling fans,speakers,wipers,traction control systems,rear window defrosters ect. Perfect relay switch kit...
【Notice】Make sure follow the wiring diagram in the picture.Be gentle when inserting the relay into the socket.For your safety, we highly recommend professional technicians to install the part. If you have meet any problem, welcome to message us for...
Last update on 2026-08-01 / Affiliate links / Images from Amazon Product Advertising API
How to Choose the Best Automotive Replacement Tailgate Relays
Understanding Tailgate Relays
The tailgate relay acts as an electrical switch, controlling the flow of power to the tailgate lift motor. When you press the tailgate button, the relay engages, allowing electricity to operate the motor that opens or closes your tailgate. If your tailgate is not responding, the relay is a common component to inspect and potentially replace.
Key Features to Consider
Compatibility: Ensure the relay is designed for your specific vehicle's make, model, and year. Using an incompatible relay can cause electrical issues or prevent the tailgate from operating correctly.
Material Quality: Look for relays constructed from durable materials that can withstand the environmental conditions and electrical demands of automotive use. High-quality contacts and housings are essential for longevity.
Electrical Specifications: Verify that the relay's voltage and amperage ratings match the requirements of your vehicle's tailgate system. Incorrect specifications can lead to overheating or failure.
Brand Reputation: Opt for reputable brands known for producing reliable automotive electrical components. Established manufacturers often offer better quality control and product support.
Installation and Maintenance
Replacing a tailgate relay is often a straightforward DIY task for those with basic mechanical knowledge. However, always disconnect the battery before beginning any electrical work to prevent short circuits or damage. Consult your vehicle's service manual for specific location and replacement procedures. Regular checks of electrical connections can help prevent future issues.
Troubleshooting Common Problems
No tailgate operation: This is the most common symptom of a faulty relay. Check fuses first, then inspect the relay itself.
Intermittent operation: If the tailgate works sometimes but not others, the relay might be failing or have dirty contacts.
Clicking sound: A relay that clicks but doesn't activate the motor may be receiving power but is unable to switch the circuit.
Frequently Asked Questions
How do I know if my tailgate relay is bad?
Common signs include the tailgate not responding to button presses, intermittent operation, or a clicking sound from the relay without the tailgate moving. Checking your vehicle's fuses is also a good first step.
Can I use a relay from a different vehicle?
It is strongly recommended to use a relay specifically designed for your vehicle's make, model, and year. While some might share similar specifications, compatibility issues can arise, leading to malfunctions.
What is the difference between a relay and a fuse?
A fuse is a safety device that melts and breaks a circuit to protect components from overcurrent. A relay is an electrically operated switch that uses a small current to control a larger current, such as powering the tailgate motor.
How often should I replace my tailgate relay?
Tailgate relays are typically designed to last the lifetime of the vehicle. Replacement is usually only necessary if the current relay fails or shows signs of wear.
Are all tailgate relays the same?
No, tailgate relays vary significantly based on vehicle manufacturer, model, year, and the specific tailgate system used. Always verify compatibility before purchasing a replacement.
What tools are needed to replace a tailgate relay?
Basic tools like a screwdriver, socket set, and possibly pliers are usually sufficient. Disconnecting the vehicle's battery is a critical safety step that should always be performed first.
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