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Frequently Asked Questions

1. Do D&D Motors work on 36V and 48V golf carts?

All D&D golf cart motors work on 36V and 48V golf carts. After converting a golf cart from 36V to 48V the performance gain from a standard EZGO, Club Car, or Yamaha model is normally around 3-4mph. For 72V and other voltages, give us a call.

2. How do I install a D&D Motor?

Go to the Installation Videos page on our website for video tutorials on how to install your golf cart motor and controller. In addition, we recommend taking a picture of your old motor wiring before disconnecting. Your new D&D motor will be wired in the same exact way.

3. Do I have a Series or Regen motor?

Please follow the slides below to determine if your cart is Regen or Series. For security to be certain, confirm with at least 3 slides. Click on the arrows <> to go to the next slide.

If Tow/Run switch Equal Regen
Speed Sensor YES equal Regen
Shunt / Round filed coil equal Regen
2 small + 2 large terminal bolts equal Regen
General Series Features

4. The speed sensor on a D&D motor doesn't connect to my golf cart speed sensor cable. What should I do?

You will need to cut off the connector at the end of the speed sensor on the D&D motor and strip the 3 wires. The wires on the D&D motor are Red, Green, and Black. Your speed sensor wires will now look like the image below. Now, strip the insulation from the 3 wires coming from the vehicle connector. Once this is done, twist together all wires with matching colors (ex. Red motor speed sensor wire with Red golf cart wire) and cover the exposed wire with electrical tape. If there is one mismatching wire color on the motor and golf cart, connect those two together, those will be your ground wires. Now your speed sensor is setup properly.

Stripped Speed Sensor Stripped Speed Sensor

5. What to do if I can't get my old motor off the transaxle?

We recommend buying "PB Blaster Penetrant" to loosen up any corrosion or other issues stopping the motor from disconnecting. This can be purchased for about $10 from Home Depot. We recommend PB Blaster Penetrant over WD-40 because WD-40 does not protect against future corrosion like PB Blaster Permanent. Once purchased, spray liberally on the drive end head and mounting bolts of the old motor and wait 8 hours before attempting to remove the motor again.

6. What voltage are the batteries in my Golf Cart?

Golf cart batteries are either 6 volt, 8 volt, or 12 volt. You can tell the voltage based on how many water holes your battery has on the top. Multiply your battery voltage by the number of batteries in your golf cart to find your golf cart voltage. If your golf cart has 0 holes, then you probably have lithium batteries. You will need to read the battery label or look online to find your battery voltage. For more help, the video below may help.

• 3 holes = 6 volts
• 4 holes = 8 volts
• 6 holes = 12 volts

7. Is my D&D Motor for Club Car Golf Carts missing an L-bracket?

No. The L-bracket is required for connecting to the fourth hole on a Club Car Golf Cart mount. It is only needed for larger or higher torque motors that need additional support. Smaller D&D motors for Club Car Golf Carts do not need additional support, so the L-bracket is omitted. Image of L-Bracket below.

LBracket

8. Why do D&D motors for GEM carts only have one connection?

Other GEM Cart motors sometimes have a heat sink connection in addition to the speed sensor connection on the top of the motor. D&D motors don't have a heat sink connection because it is not needed for our motors.

9. How can I determine what mounting pattern and shaft type I need for my Golf Cart motor?

The "Choose a Motor Tool" accounts for shaft type and mounting pattern when providing motor options. Mounting pattern and shaft are unique for each golf cart brand, so we recommend customers use the Choose a Motor Tool provide customers a good buying experience and correct motor options. Without going through our "Choose a Motor Tool", we cannot provide a customer warranty!!!

10. Why are my forward and reverse controls flipped after motor installation?

This sometimes occurs when installing a D&D motor to replace an older motor. To fix this, swap the motor connections on the A1 and A2 terminals. Image of terminals to flip below.

Terminals Flip A1-A2

11. How do I program my controller?

For Alltrax controllers, click here to download the "Alltrax Toolkit" software. This software allows you to customize your controller performance. The user manual is also available at the link. If you need additional tech support, call Alltrax's tech help line for world class customer support at 541-476-3565. For Navitas controllers, download the "Navitas" app on the app store. If you need additional tech support for Navitas, call 519-442-0948

This guide on how to setup your app and customize your Golf Cart

12. What batteries should I buy for my golf cart?

You need to purchase batteries that have a maximum discharge of 500 amps. The type of battery (Lithium, Lead-Acid, etc.) is independent of Max Discharge. Navigate to our "Beginners Guide to Motors" for more details about batteries.

13. My old motor had a rubber insert in the shaft, does my D&D motor need this?

No. D&D motors use higher quality shafts made in the USA. This allows our motors to run quietly without an additional rubber insert.

14. How do I upgrade my V-Glide controller to a solid state controller?

Upgrading a V-Glide controller to a solid state controller will take a few hours and can be a bit complex, but it will increase your max controller amps from 200 to the max amps of the new controller (up to 600 amps). Your performance will increase significantly. We recommend following this youtube video walkthrough explaining exactly how to do this process.

This video shows a customer replacing his V-Glide controller, as well as replacing an old motor with a new D&D motor.

15. Why are new high performance Golf Cart Motors better than 3rd party refurbished motors?

There are a multitude of reasons behind buying new high performance gold carts over 3rd party ones. Mainly when it comes to better performance, reliability, greater efficiency, its longer lifespan, and most importantly how customizable it is. A newer motor can be sorted out and customized to what you need for your vehicle setup, performance, and application.

16. How can I make my golf cart faster?

The number one thing to understand is that the majority of golf carts floating around after market were built by EZGO, Club Car, or Yamaha. They were mainly built for golf course applications. Therefore, as actions are taken to enhance the carts speed and/or torque, certain weak links in the design can fail. There is potential for grave bodily harm, injury, or death if products are used in the wrong application.

D&D motor systems is the ONLY company in the world who has developed a proprietary choose a motor tool that asks the customer several critical questions about the golf cart make, model, and year; the application the cart is being used in; and the customer's performance requirements. We then calculate maximum current draw along with the system's max thermal rating to ensure the customer will be safe. If a product line option does not show up for purchase then it means the safety risk to the customer is too high.

With that being said, below are the main ways to increase the speed of a golf cart.

a. Upgrade to a high speed golf cart motor

The ONLY golf cart electric motor made in the USA is manufactured by D&D Motor systems, INC. in Syracuse, NY (95% of the motors components come from the USA!!!) . No manufacturer in the world provides more golf cart motor options than D&D Motor Systems. Just click on this link and answer a few questions about your golf cart application and performance requirements. You will then be presented with many options from least expensive and lowest performing at the top to more expensive and highest performing options at the bottom. We also offer slightly blemished products at a discounted price but with the same warranty.

b. Upgrade to a high speed controller

BEWARE - You can only increase speed output of a golf cart controller upgrade if your cart is a SEPEX/Regen cart (separately excited cart regenerative braking) Find out how to tell here! The amount of additional speed you will get out of an upgraded Regen controller will depend on the controller amperage and the Regen controller programming. Field mapping is critical and if not uploaded properly may cause the motor to fail and the desired performance to fall short. If you buy an upgraded controller through D&D Motor Systems, by clicking on this link we will ensure your controller is properly programmed.

No matter what type of cart you have, if you increase the controller amperage you will gain additional torque and controller thermal capability (less likely to burn up!). Torque is your pick-up out of the gates and your pulling power, it is not top end speed!!!

c. Increase the diameter of my tires

Normal stock golf carts have 10 inch Diameter tires. If you upgrade to 23 inch tires you can expect an speed increase of about 2-3mph. BEWARE - when you install those larger 23 inch tires you are raising the profile of the cart and it will not handle as well in the turns. In addition your tire thread is critical in calculating the coefficient of friction between your tire and the ground. The traction is critical in determining how your golf cart ride is going to feel. Ensure you choose the thread that best fits your applications. Any reputable golf car dealer can steer you in the right direction with regards to that choice.

d. Increase the voltage of my cart from 36V to 48V

By increasing the voltage of the batteries in your cart from 36V to 48V you will normally increase your cart speed by about 4mph. The negative if you have to cough out the dough for the batteries and new battery charger. Therefore, we recommend if your going to do this procedure, wait until you are going to have to buy new batteries anyways. There are a bunch of videos online that show you how to do that. A few of the videos can be found below.

Lastly if your cart is not being properly maintained you will lose performance. Use this link to ensure you are staying up to date on key maintenance asks.

e. Increase the gearing of my cart

The approximate gearing of a typical golf cart axle is around 12.44:1. The two main ones used are Dana (EZGO & Yamaha) and Graziano (Club Car). By installing a lower gear ratio such as 8:1 or 6:1 you will increase your speed and current draw. The negative is that your torque will go down. In addition depending on your vehicle setup and application you may need to upgrade your motor, controller, solenoid, forward and reverse/switch, and wires. 6:1 gears should gain you about 50% more speed where as 8:1 gears will gain you about 33% more speed. The negative to the gear changing is they can be a bit of a knuckle buster if you have never done it before and some additional noise can sometimes be heard from the differential. With that said, anyone looking for high-speed gears and you want to buy American, Click this link

22. What are the pros and cons of Gas Golf Carts?

Gas Pros

  • Quick Refuels
  • Longer Range
  • Less dependency on Charging Infrastructure

Gas Cons

  • Very Noisy
  • High Emissions
  • Requires much more maintenance
  • Fuel costs are much greater than that of electricity

What are the pros and cons of Electric Golf Carts?

EV Pros

  • Environmentally friendly and quiet operations
  • Lower Maintenance Costs
  • Provides a much smoother driving experience

EV Cons

  • Limited range and requires charging
  • Requires charging which can take longer than refilling
  • Battery replacement can be costly after a few years

23. How to test your golf cart motor for a short

Tips for Testing Golf Cart Motor Short
Source
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