Garage
Shop

Car Alarm Sensors, Triggers & Relays

Loading...

Shop the Category

filter-icon Filters & Sort

Axxess AX-TRIG1

Universal Parking Brake Bypass Module for Aftermarket Stereos

AXTRIG big
Go to item page Right Arrow Icon of Right Arrow

Universal Parking Brake Bypass Module for Aftermarket Stereos

• Universal Parking Brake Bypass Module
• Designed for use in RVs, off-road, and exhibition vehicles
• Emulates a parking brake signal

shipping truck icon Free shipping in USA. Provide zip for delivery date.
17
List price $24.99
-12% $21.99

In stock

• Universal Parking Brake Bypass Module
• Designed for use in RVs, off-road, and exhibition vehicles
• Emulates a parking brake signal

PAC TR-4

Remote Turn-on Module

TR-4 big
Go to item page Right Arrow Icon of Right Arrow

Remote Turn-on Module

• Remote Turn-On Module
• Used To Turn On Remote Amplifiers
• 2 Second Delay To Prevent Turn-On Noise
• Supplies 2 Amps Of Current
• Can Drive Multiple Amps Or A Power Antenna
• Activated By Low Level Trigger Lead

shipping truck icon Free shipping in USA. Provide zip for delivery date.
15
List price $39.00
-51% $18.99

In stock

• Remote Turn-On Module
• Used To Turn On Remote Amplifiers
• 2 Second Delay To Prevent Turn-On Noise
• Supplies 2 Amps Of Current
• Can Drive Multiple Amps Or A Power Antenna
• Activated By Low Level Trigger Lead

Directed 528T

12V Accessory Pulse Timer

528T big
Go to item page Right Arrow Icon of Right Arrow

12V Accessory Pulse Timer

• Pulse Timer with Adjustable Delay
• Triggered by + or - Pulse, or State Change
• Adjustable Timer: 0 - 60 Seconds

shipping truck icon Free shipping in USA. Provide zip for delivery date.
5
List price $29.99
-30% $20.99

In stock

Used from: $12.59

• Pulse Timer with Adjustable Delay
• Triggered by + or - Pulse, or State Change
• Adjustable Timer: 0 - 60 Seconds

Directed 502T

Closed Loop Trigger Module

502T big
Go to item page Right Arrow Icon of Right Arrow

Closed Loop Trigger Module

• Triggers when connection is broken, not established
• Useful for protecting trailers, toolboxes, etc
• Positive and negative trigger outputs

shipping truck icon Free shipping in USA. Provide zip for delivery date.
2
List price $21.99
-9% $19.99

In stock

Only 1 Left!

• Triggers when connection is broken, not established
• Useful for protecting trailers, toolboxes, etc
• Positive and negative trigger outputs

Crux CAN-ACC

Universal Accessory Trigger from CAN-BUS

CAN-ACC big
Go to item page Right Arrow Icon of Right Arrow

Universal Accessory Trigger from CAN-BUS

• Universal Accessory Trigger from CAN-BUS
• Generates a 12-volt / 2-amp accessory power
• Can be used to power aftermarket accessories
• Ideal for vehicles that use CAN communications

shipping truck icon Free shipping in USA. Provide zip for delivery date.
List price $90.30
-36% $58.05

In stock.

• Universal Accessory Trigger from CAN-BUS
• Generates a 12-volt / 2-amp accessory power
• Can be used to power aftermarket accessories
• Ideal for vehicles that use CAN communications

Install Bay IBRRLULD

Round Rocker Latch Switch - Pack of 5

IBRRLULD big
Go to item page Right Arrow Icon of Right Arrow

Round Rocker Latch Switch - Pack of 5

• Round Rocker Latch
• Pack of 5
• Up and Down Positions

shipping truck icon Free shipping in USA. Provide zip for delivery date.
List price $13.99
-14% $11.99

In stock

Only 1 Left!

• Round Rocker Latch
• Pack of 5
• Up and Down Positions

PAC VOLT-39

Selectable Output Voltage Regulator for Powering Components Requiring 3.5, 5, 6, or 9 Volts

VOLT-39 big
Go to item page Right Arrow Icon of Right Arrow

Selectable Output Voltage Regulator for Powering Components Requiring 3.5, 5, 6, or 9 Volts

• 4-Position Switch Selects Desired Voltage Output
• 3.3V for some cameras as a replacement power supply
• 6V for OE reverse camera retention
• 9V for use with a wide range of devices that run on 9V

shipping truck icon Free shipping in USA. Provide zip for delivery date.
List price $49.00
-63% $18.00

Available

Ships in 10-14 days

• 4-Position Switch Selects Desired Voltage Output
• 3.3V for some cameras as a replacement power supply
• 6V for OE reverse camera retention
• 9V for use with a wide range of devices that run on 9V

Install Bay IBRRSB

Round Rocker Switch with Blue LED (5 Pieces/Pack)

IBRRSB big
Go to item page Right Arrow Icon of Right Arrow

Round Rocker Switch with Blue LED (5 Pieces/Pack)

• Blue LED Round Rocker Switch
• Great for replacement use or in a hobby project
• Includes 5 in a pack

shipping truck icon Free shipping in USA. Provide zip for delivery date.
1
List price $13.99
-14% $11.99

Available

Ships in 10-14 days

• Blue LED Round Rocker Switch
• Great for replacement use or in a hobby project
• Includes 5 in a pack

The Install Bay IBRRSG

Round Rocker Switch with Green LED (1 Pack/5 Pieces)

IBRRSG big
Go to item page Right Arrow Icon of Right Arrow

Round Rocker Switch with Green LED (1 Pack/5 Pieces)

• Green LED Round Rocker Switch
• Great for replacement use or in a hobby project
• Includes 5 in a pack

shipping truck icon Free shipping in USA. Provide zip for delivery date.
2
List price $8.99
-11% $7.99

Available

Ships in 10-14 days

• Green LED Round Rocker Switch
• Great for replacement use or in a hobby project
• Includes 5 in a pack

The Install Bay IBRRSO

Round Rocker Switch with Orange LED (1 Pack/5 Pieces)

IBRRSO big
Go to item page Right Arrow Icon of Right Arrow

Round Rocker Switch with Orange LED (1 Pack/5 Pieces)

• Orange LED Round Rocker Switch
• Great for replacement use or in a hobby project
• Includes 5 in a pack

shipping truck icon Free shipping in USA. Provide zip for delivery date.
List price $12.99
-15% $10.99

Available

Ships in 10-14 days

• Orange LED Round Rocker Switch
• Great for replacement use or in a hobby project
• Includes 5 in a pack

Directed 528T (Open Box, Good)

12V Accessory Pulse Timer

528T big
Go to item page Right Arrow Icon of Right Arrow

12V Accessory Pulse Timer

• Pulse Timer with Adjustable Delay
• Triggered by + or - Pulse, or State Change
• Adjustable Timer: 0 - 60 Seconds

shipping truck icon Free shipping in USA. Provide zip for delivery date.
List price $29.99
-58% $12.59

In stock

Only 1 Left!

• Pulse Timer with Adjustable Delay
• Triggered by + or - Pulse, or State Change
• Adjustable Timer: 0 - 60 Seconds

    Clear all

    FAQ Frequently asked questions in Car Alarm Sensors, Triggers & Relays


    Car Alarm Sensors, Triggers & Relays Frequently Asked Questions (FAQ)
    Car alarm sensors are devices that detect specific events or conditions, such as motion, impact, or changes in voltage. Triggers refer to the signals received by the car alarm system from these sensors, prompting it to activate the alarm. Relays are switches that control the flow of electrical current to various components in the alarm system, allowing it to perform actions like sounding the siren or disabling the starter.
    Motion sensors in car alarm systems use infrared technology or ultrasonic waves to detect movement within a certain range. When an unauthorized person or object enters the vehicle's proximity, the sensor picks up the movement and sends a trigger signal to the alarm system. This signal prompts the alarm to activate, deterring potential theft or intrusion.
    An impact sensor, also known as a shock sensor, detects sudden impacts or vibrations. It's particularly effective in detecting attempts to break into the vehicle or forceful impacts like a collision. When an impact is detected, the sensor sends a trigger to the alarm system, which responds by sounding the siren or alerting the owner. This feature adds an extra layer of security to prevent theft or vandalism.
    Relays play a crucial role in controlling the various functions of a car alarm system. They act as switches, allowing the alarm to activate or deactivate certain components. For example, when the alarm is triggered, a relay may engage to sound the siren or disable the starter, preventing the vehicle from being driven away. Relays ensure that different parts of the alarm system work together seamlessly to provide effective protection.
    Yes, in many cases, you can add or upgrade sensors and relays to your existing car alarm system. If you're looking to enhance the level of security or customize the system to your preferences, you can consult with car alarm professionals or refer to your system's manual. Upgrading sensors and relays may require some wiring adjustments and programming to ensure they work harmoniously with the existing components. Professional installation is recommended to ensure proper integration and functionality.

    All About Car Alarm Sensors, Triggers & Relays


    Add-on alarm sensors and triggers to enhance the effectiveness of your security system.

    When it comes to safeguarding your vehicle and ensuring its security, our selection of top-quality Car Alarm Sensors, Triggers & Relays is unparalleled. Elevate your vehicle's protection and enjoy peace of mind knowing that your prized possession is in safe hands.

    Are you seeking to fortify your vehicle's security beyond the standard features? Our Car Alarm Sensors, Triggers & Relays offer the perfect solution, enhancing your vehicle's protection and taking security to the next level. Here's why integrating these advanced components is a smart choice:

    1. Comprehensive Security: Car Alarm Sensors, Triggers & Relays work together to create a comprehensive security system that deters potential thieves and vandals. With multiple layers of protection, your vehicle is safeguarded from unauthorized access.

    2. Instant Alerts: These components are designed to detect any unauthorized entry attempts or suspicious activity near your vehicle. When triggered, they send instant alerts, ensuring you're promptly informed of any potential threats.

    3. Customized Protection: Our range of sensors, triggers, and relays can be customized to suit your specific security needs. Whether you want to secure the doors, trunk, hood, or any other entry points, our components can be tailored to provide the level of protection you desire.

    4. Easy Integration: Our Car Alarm Sensors, Triggers & Relays are designed to seamlessly integrate into your vehicle's existing security system. This ensures a hassle-free installation process that doesn't disrupt the aesthetics of your vehicle.

    5. Expert Guidance: Selecting the right combination of sensors, triggers, and relays for your vehicle can be overwhelming. Our team of experts is here to assist you in choosing the perfect components that match your vehicle's specifications and your security requirements.

    At Sonic Electronix, we're not just selling products; we're providing solutions that enhance your vehicle's security and your peace of mind. Our Car Alarm Sensors, Triggers & Relays are designed to offer the highest level of protection, giving you the confidence that your vehicle is safe and secure.

    Expert Assistance Every Step of the Way

    We understand that choosing the right combination of Car Alarm Sensors, Triggers & Relays can be challenging. Our knowledgeable experts are available to guide you through the selection process. Call us at 1-502-200-8010 to receive personalized recommendations and professional advice. Our team will ensure you choose the ideal components that provide the level of security you need.

    why-shoping-with-sonic

    We love people and we're ready to help you! See what separates us from our competition.

    Take advantage of our VIP rewards like 10% back on your purchases, free 2-day shipping, extended warranties, and free returns! Gain access to all of these rewards without any membership fees.
    Get great discounted (and possibly FREE) installation accessories with most car stereo purchases. This includes dash kits, wiring harnesses and antenna adapters that you will need to properly install your new car stereo.
    We are an Authorized Dealer for all the brands we sell, including the most premium brands in car and marine audio such as Hertz, JL Audio, NVX, Rockford Fosgate, Kicker, Alpine, Kenwood and many more.
    Shop Deals and get up to 30% off premium brands! Shop Now! We are always looking out for the best products and deals to offer our customers. Don’t pay too much by shopping elsewhere!
    We have information on brands, gear, and more for you to explore! Check out our YouTube Channel for helpful how-to videos, product reviews, and Q&As. For a more detailed look, also visit our Learning Center!
    Our trained experts are here to assist you! They are just a phone call or click away to help you get the right gear for you and your vehicle!
    Why Shop With Us?
    Save up to 10 different vehicles in your garage
    Vehicle
    Store
    Delete

    2016 Tesla Model S

    2021 GMC Terrain

    2004 Lexus GS430

    2008 Ford Expedition EL

    2001 Saturn SL1

    2010 Lexus RX450h

    2020 Mazda CX-30

    2017 Dodge Ram ProMaster 1500

    2022 Subaru BRZ

    2011 Lincoln MKS

    Vehicle
    Store
    Delete

    2015 Harley Davidson FLHT Electra Glide Standard

    Add vehicle Clear all vehicles
    Where to find vehicle info
    Are you sure you want to clear your garage?
    This action cannot be undone. Confirm
    This category was not designed for products.
    If you continue, you will be redirected to a category customized for your vehicle. Continue
    Loading...
    Identify your vehicle and submodel details
    • Owner's manual
    • Vehicle's insurance card
    • Vehicle registration
    • Vehicle produced after 2005: Inside driver's side door
    • Vehicle produced before 2005: Rear passenger doorjamb, glove box, center console, or engine compartment
    Car Info Side Door Icon
    Vehicle Registration Icon
    Vehicle Insurance Icon

    Modern vehicles often require specific brackets, wiring harnesses, and mounting solutions. A fit guide ensures:

    • You see only parts engineered for your exact vehicle
    • You avoid incompatible radios, speakers, or wiring
    • Installation is smoother, faster, and frustration-free
    • You get the correct accessories the first time

    Whether you're replacing a factory stereo or upgrading your entire audio system, the Fit Finder eliminates uncertainty.