3 prong flasher

Types of 3 Prong Flasher

A 3 prong flasher, also known as a turn signal relay, is a small electric component that controls the blinking of turn signals and brake lights. It's called a three-prong relay because it has three electrical terminals. The three terminals are commonly labeled as follows: ""Power"" ""Load"" and ""Control"".

• LED Flashers

  The LED flasher relay is used in vehicles with LED turn signals. It regulates the blinking speed of the signals, ensuring they flash at the correct rate. Without a relay, the LED signals may blink too fast or too slow.

• Heavy-Duty Flashers

  Heavy-duty flashers are used in larger vehicles, such as trucks and buses. These vehicles often have more extensive lighting systems that require a more powerful relay to control the signals.

• Intermittent Flashers

  Intermittent flashers allow drivers to choose when and how often their turn signals flash. For example, a driver can select their signals to blink three times and then stop or continue until they cancel.

• Electronic Flashers

  Electronic flashers are versatile relays that can be used in various lighting setups. They are often adjustable, allowing electricians to modify the flashing speed and pattern to suit specific needs.

• Load-Independent Flashers

  Load-independent flashers are designed to work consistently, regardless of the size or type of the connected lighting load. They are beneficial when upgrading to LED lighting or changing the lighting configuration.

• Smart Flashers

  Smart flashers are advanced relays with additional features, such as automatic cancellation, programmable settings, and integration with other vehicle systems. They provide convenience and enhance overall vehicle safety.

• Standard Flashers

  Standard flashers are the most commonly used relays in most vehicles. They are suitable for regular lighting loads, such as incandescent bulbs, and control the standard blinking of turn signals.

Specification and maintenance of 3-prong flashers

Here are the specifications of the 3-prong flasher:

• Voltage: The 3-prong flashers operate on a 12-volt electrical system, which is the standard for most vehicles. This is particularly for the 3 prong 12v flasher relay.
• Current Rating: The current rating of 3-prong flashers is between 15 to 25 amps. This is the current that will flow through the flasher when it is in operation.
• Terminal Designation: The terminals on the 3-prong flashers are usually labeled as follows: P (Power), L (Load), and E (Emergency).
• Compatibility: 3-prong flashers are compatible with LED and incandescent light bulbs. Nonetheless, they may require different load requirements depending on the type of bulb being used.
• Mounting: The 3-prong flashers are designed to be mounted in a standard relay socket. This is a rectangular-shaped plastic base with 5 pins that are usually mounted on the fuse box or under the dashboard.
• Functionality: The 3-prong flashers function by opening and closing the circuit of the power supply and load. They are also designed with various timing intervals that control the flashing rate of the lights.

Here is how to maintain the 3-prong flasher:

• Regularly inspect the wiring connections to ensure there are no frayed wires, loose connections, or corrosion.
• Clean the terminals with a wire brush or contact cleaner to remove any corrosion or dirt that may hinder proper electrical flow.
• Check the flasher for any signs of wear or damage, such as cracks or bulging. Replace it if any sign of damage is detected.
• Ensure the flasher is securely mounted in the relay socket to prevent it from vibrating or moving, which can cause intermittent operation.
• Lubricate the moving parts of the flasher with a small amount of silicone grease or electrical lubricant to ensure smooth operation.
• Test the flasher periodically to ensure it functions properly. This can be done by turning on the turn signals and checking the flashing rate.

How to choose 3-prong flashers

When it comes to selecting 3-prong flashers, business buyers should consider several factors to ensure they meet their specific needs and requirements. Here are some key things to consider:

• Voltage and power requirements: Consider the voltage and power requirements of the 3-prong flashers. Ensure they are compatible with the electrical systems of the intended vehicles or applications. Check the power consumption of the flashers, especially if there are limitations on available power.
• Compatibility: Ensure that the 3-prong flashers are compatible with the intended vehicle or motorcycle make and model. Some vehicles may have specific requirements or variations in their wiring systems. Check the compatibility of the flasher relay with LED bulbs if they are installed in the vehicle.
• Quality and reliability: Look for reputable brands or manufacturers known for producing high-quality and reliable 3-prong flashers. Consider the reviews and feedback from other customers to gauge the performance and durability of the flashers. High-quality flashers are less likely to fail or cause issues, providing consistent and reliable operation.
• Features: Consider any additional features that may be relevant to specific needs. Some 3-prong flashers may have adjustable settings for flash speed or functionality, such as programmable features or built-in resistance for LED compatibility.
• Warranty and support: Check the warranty offered by the manufacturer or supplier for 3-prong flashers. A reasonable warranty can provide peace of mind and protection against defects. Additionally, consider the availability of customer support or technical assistance in case of any issues or inquiries.
• Price: Compare prices from different suppliers and manufacturers to ensure they are competitive. While price should not be the sole determining factor, consider the value offered regarding quality, performance, and features.

How to DIY and Replace 3 prong flasher

When the turn signals stop working, it's time to replace the old-school 3-prong flasher relay. No worries, it's a job anyone can tackle with basic tools. This guide will walk through the steps to pick the right relay and install it successfully.

Tools and materials needed:

• New 3-prong flasher relay
• Screwdriver or pliers (depending on the mounting style)
• Wire brush or contact cleaner (if needed)
• Optional: electrical tape or zip ties

Step-by-step instructions

• 1. First, gather the tools and materials needed for the job.
• 2. Next, turn off the ignition and make sure the vehicle's electrical system is not powered.
• 3. Locate the existing flasher relay. It can usually be found under the dashboard, near the steering column, or in the fuse box.
• 4. Use a screwdriver or pliers to remove the old relay from its mounting location. Note: the mounting style may vary, so use the appropriate tool.
• 5. If necessary, use a wire brush or contact cleaner to clean the mounting area and electrical contacts.
• 6. Take the new 3-prong flasher relay and align the prongs with the corresponding sockets in the vehicle's electrical system.
• 7. Carefully insert the prongs into the sockets, ensuring they are fully seated.
• 8. If desired, use electrical tape or zip ties to secure the relay and its wires to prevent movement or vibration.
• 9. Double-check that all connections are secure and that the relay is properly mounted.
• 10. Turn on the vehicle's ignition to power the electrical system.
• 11. Test the turn signals to ensure they are functioning correctly.

Q and A

Q1. Can a 3-prong flasher be used in any vehicle?

A1. No, a 3 prong flasher is not suitable for all vehicles. It is primarily used in older vehicles or those with conventional incandescent bulb-based turn signal systems. Vehicles with LED turn signal bulbs or more modern electronic systems may require a different type of flasher relay.

Q2. How does a 3-prong flasher work?

A2. A 3 prong flasher works by using a bimetallic strip that heats up and cools down to open and close contacts, creating a flashing signal. When the turn signal switch is activated, electrical current flows through the flasher. The current heats the bimetallic strip, causing it to bend and make contact with the second set of contacts, completing the circuit. When the switch is turned off, the current stops, and the strip cools down, breaking the circuit.

Q3. What are the common problems associated with 3-prong flashers?

A3. Common problems include the turn signals not flashing, flashing too fast or too slow, and signals not working at all. These issues can arise from electrical connections, compatibility with the bulb type (LED or incandescent), or the flasher relay itself.

Q4. Can a 3-prong flasher be replaced with an electronic flasher?

A4. Yes, a 3-prong flashers can be replaced with an electronic flasher. Electronic flashers are more reliable, provide consistent flashing rates, and are often compatible with LED bulbs. Ensure the electronic flasher is compatible with the vehicle's electrical system.

Q5. Does a 3-prong flasher require any maintenance?

A5. Generally, there is no need for regular maintenance on a 3-prong flasher. However, if issues arise, users should inspect electrical connections, wiring, and the flasher itself for potential problems or wear and tear.