Last Updated on June 24, 2023 by Mark S. Taylor

Hyper flash, as used in the context of automobile lighting, describes the quick blinking of turn signals or warning lights. It happens when the electrical load of the bulbs varies, typically because aftermarket LED lights have been installed. The use of a resistor is one typical method for fixing hyper flash. But in this thorough guide, we’ll look at other approaches to fix hyper flash without a resistor.

Fix Hyper Flash Without a Resistor
Fix Hyper Flash Without a Resistor

Understanding of Hyper Flash

It’s crucial to comprehend what hyper flash is and why it happens before diving into the answers. When the electronic module or flasher relay regulating the turn signals notices a lower electrical load than anticipated, hyper flash is a phenomenon that occurs. As a result, the system speeds up blinking, producing the hyper flash effect.

The Importance of the Resistor

Resistors are frequently utilised in automobile lighting systems to address hyper flash. They function by raising the electrical load that the flasher relay detects, which returns the blinking speed to normal. Resistors can, however, be heavy, need for more wiring, and produce heat while in use. Because of this, a lot of auto enthusiasts look for non-resistor alternatives to repair hyper flash.

Exactly How Do Electronic Flashers Operate?

The timing and frequency of turn signal or indicator lights in automobiles are controlled by electronic flashers, commonly referred to as electronic turn signal relays. They are in charge of producing the recognisable blinking pattern that warns other drivers of an impending direction change. Electronic flashers ensure the synchronised flashing sequence that is essential for road safety by managing the flow of electrical current to the indicator lights.

Components of Electronic Flashers Internal

Electronic flashers are made up of a number of crucial parts that cooperate to control the flashing of turn signals. The following are the important parts:

Timing Circuit: The timing circuit manages the duration of illumination and the gaps between flashes, regulating the on-off cycle of the indicator lights.
Relay: The relay functions as a switch to allow current to pass to the indicator lights by opening and closing the electrical circuit.
Capacitor: The capacitor serves to maintain a steady and uniform flashing rate by storing electrical energy.
Transistor: The transistor controls and amplifies the electrical current, ensuring that the flasher operates as intended.

How Electronic Flashers Work

The electronic flasher receives a signal when the turn signal switch is turned on. The electrical circuit to the indicator lights is then completed and interrupted by the flasher, starting the flashing sequence. The length of each flash and the space between them are determined by the timing circuit. Up until the turn signal switch is switched off, at which time the electronic flasher stops flashing, this process continues.

Resistor substitutes

Electronic Flasher Relay

An effective substitute for using fix hyper flash without a resistor is an electronic flasher relay. An electronic relay is unaffected by changes in the electrical load, in contrast to the conventional thermal flasher relay. No matter which bulbs are used, it keeps the same blinking pace. A simple fix for hyper flash difficulties may be to upgrade to an electronic flasher relay.

Load Equalisers

The purpose of load equalisers, commonly referred to as load resistors, is to replicate the electrical load of conventional incandescent bulbs. Hyper flash can be avoided by restoring the electrical load to the amount anticipated by the flasher relay and attaching a load equaliser in parallel with the LED lights. Load equalisers exist in different wattages, therefore it’s important to pick the right one for your particular LED lights.

LED Flasher Module

The stock flasher relay in your car can be swapped out with an LED flasher module, which is a plug-and-play solution. These modules have been created especially to ensure a constant blinking rate when used with LED bulbs. Hyper flash can be resolved without the use of resistors or difficult wiring adjustments by using an LED flasher module.

Diode Dynamics

A company by the name of Diode Dynamics sells specialised flasher relays and turn signal modules made for LED lighting systems. Their products are renowned for being easy to install, reliable, and compatible. Hyper flash can be successfully fixed with components from Diode Dynamics without the need for a resistor.

How to Fix Hyper Flash Without A Resistor: A Step-by-Step Guide

After looking at many approaches to resolve hyper flash without a resistor, let’s move on to a step-by-step tutorial for carrying out these fixes:

Step 1: Determine the Hyper Flash Issue

Confirm whether hyper flashing is taking place by looking at the turn signals or hazard lights.
Check to see if the hyper flash occurs with all bulbs or just a few.

Step 2: Select the Type of Bulb

The installed types of bulbs (LED, incandescent, halogen) should be noted.
Note the bulb’s parameters, including its voltage and wattage.

Step 3: Look at Other Options

Check out the alternatives covered in Section 4 (LED Flasher Module, Load Equalisers, Electronic Flasher Relay, and Diode Dynamics).
Compatibility, ease of installation, and user evaluations are important considerations.

Step 4: Select the Best Course of Action

Choose the alternate strategy that best suits the vehicle and lighting configuration that you have.
Make sure the LED bulbs you’re using and the electrical system in your car are compatible.

Step 5: Collect the Required Tools and Equipment

Depending on the solution selected, gather the installation tools.
Read the manufacturer’s instructions for the alternate approach you’ve chosen.

Step 6: Install the Selected Solution

To install the alternate strategy, adhere to the manufacturer’s instructions.
Use the appropriate safety measures when working with electrical components.

Step 7: Test and Verify

Test the turn signals and hazard lights after installation to see if the fix hyper flash without a resistor.
If changes are required, make them, and make sure all connections are safe.
Step 8: Take Advantage of Hyper Flash-Free Lighting

You can now enjoy your LED lighting without the inconvenience of quick blinking after the hyper flash issue has been fixed.

Read More: How to Fix Hissing Sound in Car AC: Causes and Solutions

What Sets AC Flashers Apart from DC Flashers?

Recognising AC (Alternating Current) Flashers
As their name suggests, AC flashers are created to function with alternating current. They are frequently discovered in older vehicles whose electrical systems rely on AC power. In order to create the desired flashing effect, AC flashers use a bimetallic strip or a relay to interrupt the AC current going to the indicator lights. The use of AC flashers has, however, declined as a result of developments in automobile technology.

Direct Current (DC) Flashers Overview

On the other hand, DC flashers are created especially for automobiles with a direct current electrical system. DC flashers are the industry standard for turn signal control because the majority of contemporary vehicles use a DC electrical system. These flashers manage the flow of DC current using a solid-state relay or an electronic circuit, resulting in precise and dependable flashing of the indicator lights.

Distinguishing between AC and DC flashers

The type of electrical current that AC and DC flashers are built to handle is the primary distinction between the two. While DC flashers are designed for direct current systems, AC flashers are compatible with alternating current systems. To choose the right flasher type for repair or upgrading, it is crucial to understand the electrical system of your car.

What can I do to stop the rapid flashing of my indicators?

Vehicles may frequently have fast flashing indications, which could be a sign that the turn signal system isn’t working properly. You can take the following actions to solve this issue:

Identify the Cause of Fast Flashing Indicators

Check the indication lights for any damaged LEDs or light bulbs.
Look for any loose or harmed parts in the wiring and connectors.
For detailed troubleshooting instructions, consult the service handbook for the vehicle.

Replace Faulty Bulbs or LEDs

Replace any bulbs or LEDs that you see aren’t working properly with new ones that meet the necessary requirements.
Make sure the replacements are electrical system suitable with your car.
Upgrade to an Electronic Flasher

If your vehicle’s flashers are still rapidly flashing, think about switching to an electronic flasher.
Electronic flashers can overcome problems caused by rapid blinking and allow more exact control over the flashing pattern.
Install Load Resistors

To mimic the electrical load of conventional incandescent bulbs, load resistors can be added in line with the indicator lights.
This extra resistance can stop quick flashing and guarantee that the turn signals are functioning properly.
Utilize an Electronic Flasher Relay

To ensure compatibility with electronic flashers, some vehicles would need to have an electronic flasher relay installed.
To find out whether a flasher relay is required, consult the repair handbook for your car or a reputable professional.

Is Hyper Flash prohibited?

When turn signals blink unnaturally quickly, it’s referred to as hyper flash. This is usually the result of employing LED bulbs without load resistors or electronic flashers. Although hyper flash may not be specifically forbidden, it can raise questions about driving safety. It may be more difficult for other drivers to understand the intended direction change because to the fast flashing.

Although local governments may have different laws regarding hyper flash, it is generally advised to make sure your car’s turn signals blink at a regular pace. Using load resistors or electronic flashers made for LED bulbs, you may avoid hyper flash and keep the signalling system functioning properly.

How to Examine a Flasher Electronic

Testing an electronic flasher is a simple procedure that might assist in identifying potential flasher problems. The following techniques can be used to test an electronic flasher:

Using a Multimeter for Testing

Connect your multimeter to the flasher’s terminals after setting it to the proper voltage range.
Turn on the turn signal, then check the multimeter.
A flasher that is in working order should show a changing voltage as it completes and breaks the circuit.

Carrying out a load test

Connect a test load, like a lightbulb or LED, to the output terminals of the flasher.
Turn on the turn signal and check to see if the test load is flashing as it should.
If the flashing is erratic or nonexistent, the flasher may be malfunctioning.

Consulting the Vehicle’s Service Manual

For precise testing methods and specifications advised by the manufacturer, consult the service handbook for the vehicle.
To thoroughly test the electronic flasher, adhere to the specified instructions.

Getting Professional Help

It is advised to seek the help of an experienced mechanic or automotive specialist if you are unsure about testing the flasher yourself or are unable to identify the problem.
They are equipped with the knowledge and specialised gear needed to precisely test and identify issues with electrical flashers.