
To get a more detailed checkup of the series speed controller, follow these steps: First, connect the voltmeter to the controller and the battery. Connect the voltmeter to the M terminal of the speed controller and the negative terminal of the cart battery. Now push on the cart pedal and check the full battery voltage.
- Connect a voltmeter to the negative terminal on the battery.
- Connect the voltmeter to the M terminal on the controller.
- Push down on the golf cart pedal.
- A clicking sound should be heard.
- The batteries show a full charge.
How to tell if your golf cart controller is bad?
To detect if your golf cart controller is bad, it is important to test the speed controllers. You can perform this test with the help of the accelerator. Press down on the accelerator. Initially, the voltage will be zero. When you press the accelerator, the voltage should increase and reach the voltage limit of the batteries.
How to test a golf cart pedal?
First, connect the voltmeter to the controller and the battery. Connect the voltmeter to the M terminal of the speed controller and the negative terminal of the cart battery. Now push on the cart pedal and check the full battery voltage. As soon as the full voltage is shown, push the entire pedal down.
How to test a golf cart battery with a voltmeter?
Connect the voltmeter to the M terminal of the speed controller and the negative terminal of the cart battery. Now push on the cart pedal and check the full battery voltage. As soon as the full voltage is shown, push the entire pedal down. You will see that the voltage starts dropping down gradually to 0 or near 0.
Why won't my electric golf cart run?
If your controller is damaged, your cart won't run. However, a few other reasons could lead your vehicle to stop running. Since the speed controller is the heart of your electric golf cart, you need to make sure that the problem is not something else first. Following is a list of things to check before you troubleshoot the speed controller.

How do I know if my golf cart controller is bad?
X Common Symptoms of Controller FailureTop Speeds Not Appropriate for Your Cart. Golf carts are designed to reach pretty specific speeds and to not go over them or beneath them. ... Sudden and Unexpected Slowing. ... Shuttering or Shaky Driving. ... Stalling Out and Refusing to Start. ... Surges in Speed When Driving.
How do you test a EZ Go golf cart controller?
Connect the negative probe to the controller's M terminal and positive probe to the B+ terminal. Press the accelerator and watch to see if the voltage increases. It should increase from a reading of 0 to the full voltage of the battery. If the motor is not turning, the problem may be in the directional switch or motor.
How do you bench test a golf cart controller?
0:002:12How to bench check curtis controller and golf cart motor - YouTubeYouTubeStart of suggested clipEnd of suggested clipTo the curtis controller. And just clap your positive. There then you're going to take anotherMoreTo the curtis controller. And just clap your positive. There then you're going to take another jumper lead to give you your voltage to power up the controller.
How do you troubleshoot a club car controller?
Here are a few quick troubleshooting tips.Make sure it isn't your batteries! ... If your batteries are fully charged and your vehicle won't run, when you press on the accelerator pedal, then you should hear a clicking sound which will indicate the solenoid is engaging and allowing power to flow to your controller.More items...
How do you bypass a golf cart controller?
1:594:09electric golf cart, simple Motor and controller bypass key hotwire direct ...YouTubeStart of suggested clipEnd of suggested clipSo let's just go ahead and bypass the solenoid by putting one alligator clip on that bolt.MoreSo let's just go ahead and bypass the solenoid by putting one alligator clip on that bolt.
How can I test my speed controller?
0:395:30Testing controller for blown mosfetts - YouTubeYouTubeStart of suggested clipEnd of suggested clipWe start by connecting one of the probe to the ground wire of the controller. And you take theMoreWe start by connecting one of the probe to the ground wire of the controller. And you take the positive probe.
How do I reset my club car controller?
Easily Reset the Club Car Golf Cart OBCKey switch to off.Set forward/reverse to neutral.Put tow/run switch to tow.Disconnect the negative battery terminal from the battery pack.Put the tow/run switch to run.Put forward/reverse switch to reverse.Put key switch to on.More items...
How do I reset my electric golf cart motor?
First, you'll want to reset your motor. It should have a small reset button (Usually it will be red) located near the main battery supply. Hit the reset button and then put the cover back on the motor. The next step would be to recharge your cart and try turning it on again. If it starts up then you're in luck!
What does the controller do on an electric golf cart?
The controller meters out current and voltage on your battery based on user input, whether that be a gas pedal, a throttle, or even pedals on a bicycle. With the controller you are able to control your acceleration and deceleration, as well as the speed at which your vehicle moves.
Where is the reset button on an electric Club Car golf cart?
Identify your main battery supply (usually the largest battery) on your motor. Check around this supply for a small red button that may or may not be labeled “Reset”. Press and hold this button for a few moments and then release it to reset the motor.
How do I test my EZGO 36 volt controller?
This can Also be tested by putting a test lead on each small terminal and pressing the gas pedal. The meter should read 36 V when the gas is pressed. If this voltage does exist when the gas pedal is pressed then the solenoid should click and engage.
Where is the speed controller located on a Club Car golf cart?
The speed sensor in a Club Car Precedent golf cart is located on the back of the motor. To remove the sensor, unplug the cables behind the motor. You can use a 5/16-inch socket to remove the pigtail connector and pop off the plastic housing that encases the speed sensor.
How to check if electric golf cart is running?
It sounds absurd, but if your electric golf cart is not running, the very first thing I would check is the reset button on the side of the motor, if your cart is so equipped. Check around the outside of the motor and see if you can find a small button to press. This is usually a safeguard against overheating.
What is wrong with my electric golf cart?
Electric golf carts are usually trouble-free and do their job efficiently and with no fuss, but sometimes you suspect your golf cart is experiencing a problem. If the speed seems to be off, or your cart gives off a burning wire smell, your golf cart motor might have a problem. Using a multimeter, a jumper wire, and a 12-24 volt power source, ...
When did golf carts start having separate excited motors?
In 1999, some golf cart manufacturers started offering Separately Excited Motors. Sepex (Regenerative) Motor carts have a toggle switch F&R device as opposed to the lever-action. In addition to this identifier, they have a tow/run or tow/maintenance switch which cuts power to the controller. Most of the modern-day carts are equipped ...
What is a golf cart?
Golf carts are also known as golf cars. The term "cart", in its purest sense, refers to a vehicle that does not travel under its own power. Golf cars, however, are most commonly referred to as golf... link to Club Car DS Wiring Diagrams 1981 To 2002.
Why is it important to test a motor before replacing a controller?
This is an important test to do on your motor before replacing the controller because a short could damage the new controller irreparably. Please note that this test will not find a short in the armature. Note that continuity testing is not directional, so it doesn’t matter if the red and black are reversed.
Why is a golf cart controller important?
From being able to change your golf cart's speed to manage all the electrical components perfectly, the controller is an important element of your cart. You could say the controller is the heart of your cart. A properly selected and maintained controller will allow the vehicle to operate smoothly and safely. Learn more about your Club Car speed ...
What is the function of a speed controller on a golf cart?
Following are some of the primary functions of the speed controller: Limiting Motor Current – Protects the motor and controller from damage in case of stalling and overloading. Limiting Battery Current – Managing current drawn from the battery ...
Why won't my golf cart run?
If your controller is damaged, your cart won't run. However, a few other reasons could lead your vehicle to stop running. Since the speed controller is the heart of your electric golf cart, you need to make sure that the problem is not something else first. Following is a list of things to check before you troubleshoot the speed controller.
What to do if your golf cart doesn't start?
If the cart doesn't start, check the solenoid. If the solenoid is working fine and allowing power to flow, then you can begin inspecting the controller. Learn more about symptoms of a bad golf cart solenoid. If all the components are working well, the next step is to check the speed controller.
How to start a golf cart when it's dead?
Start with batteries and make sure they are working properly. If your batteries are dead, your golf cart will not start. Charge your batteries completely, and then try to drive the cart.
What is a club car controller?
The Club Car controller is also known as a speed controller, and the best thing about the controller is that it works as a brain and speed control system for the golf cart.
What is a programmable controller?
Programmable Controller. The programmable controller can easily be configured for the needs of your cart. This controller's most significant and important advantage is that programmable controllers produce 60% less heat than other controllers.
How much horsepower does a golf cart need?
These vehicles will have motors with 5 to 10 horsepower, and controllers that can deliver 300 to 600 AMPS.
What is the most important part of a golf cart?
Even though the speed controller is probably one of the most important parts on your golf cart, not many people understand how they work or what they do. In this guide, we breakdown the speed controller so you have a complete understanding of their functions, and hopefully come out with the knowledge to make an educated decision on the type ...
What does a battery controller do?
With the controller you are able to control your acceleration and deceleration, as well as the speed at which your vehicle moves.
Why is a speed controller important?
The Importance of the Speed Controller. The main objective for the speed controller is, as the name implies, to control the vehicle speed. Let’s say you try to operate that old DC motor without a controller. Any time you apply throttle, the full battery current and voltage is sent to the motor.
What is the function of a speed controller?
In addition to controlling the vehicles speed, there are a few other functions that speed controllers can offer, regardless of the motor you are using. Battery Current Limiter: This protects the battery from excessive discharge. This also pulls back the battery current as it depletes, which prevents cell damage.
Can you program a speed controller yourself?
Beyond the already mentioned functions of the speed controller, there are many other features available when programming the controller yourself. If you have a computer or a handheld programmer, then changing the settings on your speed controller is super easy.
Do AC motors require a sensor?
Device Support on SPF ( Speed of Position Feedback): AC motors can require a sensor in order for the controller to operate smoothly and efficiently.
What does it mean when a controller is not turning?
It should increase from a reading of 0 to the full voltage of the battery. If the motor is not turning, the problem may be in the directional switch or motor. If there is no voltage, the controller is bad and must be replaced.
How to check battery voltage?
Take the reading of the battery voltage by connecting the positive and negative probes to the battery. Write down the voltage reading. Test the solenoid - Place the positive probe on the solenoid post that is closest to the battery. The reading should be equal to battery's voltage. If not, there is a wiring issue in the solenoid.
Why is it important to troubleshoot a golf cart controller?
Troubleshooting the controller is extremely important for the golf cart’s smooth functioning. Generally, controllers face major issues only when there is a problem with wires or defects on the controller itself, such as marks or cracks.
What to do if your golf cart controller does not increase?
If it does not increase, then there is a problem with the controller or the batteries. Examine the batteries and check if they are dead. If dead, replace them. Examine the controller, as discussed in the previous sections. Remember to always consult a mechanic to have your golf cart controller repaired.
Why is my Yamaha golf cart controller so hot?
The primary reason why a Yamaha golf cart controller gets too hot is because of overuse. When the golf cart is used for long periods of time, the controller can start overheating. The driving surface might also be a cause of heating. If driving on a straight and soft surface, the problem of heating should not occur.
How to test Yamaha G16?
To test the Yamaha g16’s speed controller, check the voltage reading while pressing the accelerator. Test other components such as the batteries, the charger, and the solenoid for their smooth functioning. If any of these components do not work as expected, then you need to replace them.
How to troubleshoot a G9 controller?
Here are some easy steps for troubleshooting the G9 controller: Check the controller’s body to locate any major defects such as cracks, scratches, or black marks. If these are found, then replace the controller immediately. If no major defects are found, then check the wiring.
Why is my golf cart not heating?
If driving on a straight and soft surface, the problem of heating should not occur. But, if driven on uneven or steep surfaces , there are chances of heating. Another reason could be the brakes. It is essential to check if the brakes are dragging while the golf cart controller is driven.
Can you fix a golf cart on your own?
Under NO circumstances should you attempt to fix your golf cart on your own. Doing so is dangerous and could result in serious bodily harm. The information on this website has not been verified for accuracy and should only be used for general information purposes only. Use this information at your own risk. The author (s) and owner of of golfstorageguide.com are NOT trained electricians, mechanics or technicians. The webmaster of golfstorageguide.com and the author (s) is not responsible for any loss in damages, financial loss, personal injury, or death. By using the content on this website, you agree to the terms outlined in this disclaimer.
Do E-Z-Go Golf Carts have titles?
E-Z-Go Golf Carts, unlike vehicles, do not have a title, but they do have serial numbers. If you are buying a golf cart, it is essential to check the serial number to ensure you do not buy a stolen one. Each E-Z-Go Golf cart has a unique serial number that you can use to identify your golf cart.
Where is the E-Z-Go Cart Serial Number
As mentioned above, all E-Z-Go Golf carts have unique serial numbers. These numbers are essential when buying replacement parts for your golf cart. Textron Specialized Vehicles has been building golf carts for a long time, and the serial numbers are placed on different parts of the golf carts.
How do I push my E-Z-Go Golf Cart?
It can be frustrating when your battery is flat and your golf cart will not roll. To push it to the nearest charging or gas station, you need to release the motor brake. Follow these easy steps to do that.
Why does my E-Z-Go golf cart not move
There are several reasons why your cart refuses to move, but you should check the battery before anything else. If the battery is charged, here are some other reasons why your golf cart will not move.
Are all E-Z-Go Golf carts electric?
No, there are both electric and gas-powered E-Z-Go Golf carts available. Bear in mind that there are several models you can drive on the street, but those are all-electric. These electric models run on batteries that you have to charge at least every 24 hours, depending on how much you use them.
How to tell the Assembly year of my E-Z-Go golf cart
The placement of serial numbers is discussed above, and you will find the manufacturer’s number right next to it. The manufacturer’s number consists of one letter and 3 or 4 numbers. The last two numbers indicate the last two digits of the year of assembly.
How to service E-Z-Go Golf Cart
Like all vehicles, E-Z-Go golf carts require regular maintenance to enhance longevity and performance. You should ensure that your golf cart is serviced after every six months of use. That will ensure that you spot problems and repair them early, which will help reduce repair costs. Here are essential guidelines for E-Z-Go golf cart maintenance.

The Importance of The Speed Controller
Speed Controller Functions
- In addition to controlling the vehicles speed, there are a few other functions that speed controllers can offer, regardless of the motor you are using. 1. Battery Current Limiter:This protects the battery from excessive discharge. This also pulls back the battery current as it depletes, which prevents cell damage. 2. Motor Current Limiter:This can protect your vehicle controller and moto…
Programming Your Speed Controller
- Beyond the already mentioned functions of the speed controller, there are many other features available when programming the controller yourself. If you have a computer or a handheld programmer, then changing the settings on your speed controller is super easy. Easily access settings for your controller in order to customize the operation. You can even tune the performa…
Determining Your Power Rating Needed
- After you have figured out your motor type and battery voltage, consider looking deeper into the current and power rating of your speed controller. This will be based on multiple aspects including the weight and size of the vehicle (load included), your average vehicle speed, and the environment in which your vehicle will be riding in. The power pr...
Choosing The Right Controller
- Like I previously stated, you need to make sure you know what your vehicle is going to be used for! If your golf cart is going to be used for transporting 2 people or light loads on flat ground, and smooth roads, a small 200-300 AMP controller with a 2-5 horsepower motor should adequately perform. You’ll find that most vehicles in this category run with 24 to 36 Volt battery packs. If yo…
Final Thoughts
- As you can see, the speed controller is the center of your golf cart, and most of the other modern day electric vehicles. Making sure you choose the right controller for your new custom cart makes all the difference in the vehicle running safely, and smoothly. When upgrading your controller for your golf cart, we suggest working with manufacturers that have spent the time building controll…