Please read > In checkout click 'more' to show all selected options to the seller.
Fan kit is included with all 500 and 600 amp controllers
It is an addon option for all 300 and 400 amp controls
All SR controls receive free programming before they ship.
Choose throttle type & reverse speed/power % for your model
from the drop down menus in the add to cart button
Selecting Ezgo adds the solenoid bracket needed for TXT installation
Note that 100% reverse is usually selected for off road use only
SR controller and SW202 reversing contactor
Ezgo TXT install shown
For 300 and 400 amp controllers. Add on the Fan kit for longer peak output.
High output creates heat. Reducing controller temperature extends the peak output time avoiding thermal cutback when you need power most.
Alltrax SR Fan Kit
Above link is an add-on for controller purchase.
Use link below for separate resistor & diode purchase
BIG 3/8ths cable lugs
2 Year
Controller
Warranty
Alltrax speed controllers are made with the DIY person in mind.
Some crimp on connectors may need to be changed for installation.
Most people with some mechanical ability can do this.
This is a level 2 upgrade
Made in the USA speed controls
Higher peak and sustained outputs. Reverse polarity protection. Optional solenoid control & safety lock while charging. Optional fan standard on 600 amp units.
A big selection of throttle inputs in the drop down menu fits all series carts.
Easy usb cable programming means you can enjoy fully adjustable throttle & torque curves and set motor rpm limit, reverse speed limit, acceleration time, and more.
Add the complete cable set get a free in dash meter with key switch plate or trim piece
How to Order
1. Use the drop down menus to select the options you want.
2. Selections package options from controller alone to complete systems.
Discounts escalate as needed options like F&R and cables are added on
3. Select the throttle type by identifying the make and year of your cart
4. 50% reduced reverse speed is default. Easily changed with laptop (or PC) and usb printer cable
5. If adding cables to your order select the proper battery configuration like 6/6v or 6/8v etc.
When selections are complete - click add to cart and proceed to the secure checkout
6. In check out click 'see more' if all options selected are not shown
Note - Ezgo TXT solenoid bracket included
For help with selection or install email scottyb@cartsunlimited.net
Exgo TXT owners pay more elsewhere. Get a FREE solenoid bracket
FREE resistor and diode with every series controller combo.
That's a $30 value !
36/48v solenoid option
for 300 and 400 amp combos
Note all Alltrax SR controls are compatible with the speed shift on the fly
For more info on FN speed switch click on Alltrax FN Products
Discounts on combo kits
Save Money
All series speed controller & solenoid combos include a free resistor, and a diode.
Select Ezgo ITS programming and receive a FREE solenoid bracket
Heavy duty and Super duty solenoids discounted
when purchased with any controller in the combos offered in the drop down menus for each controller below.
MZJ400A requires 3/8ths cable connections.
Magnetic breakout benefits explained on the solenoid page
Run your 36v series cart on 48 volts for more Speed
48 volts produces more torque, more speed, more efficiently than 36 volts
Cable sets offered above are complete 2g welding lead with copper lugs
sealed with adhesive lined heat shrink for water and acid resistance.
Free battery meter with any controller and cable set order
SR48600 with fan kit & 400 super solenoid
optional 400 solenoid mounting bracket for Ezgo
570 peak amps for the biggest aftermarket motors
570 peak amp output
Inquire for pricing and availability
#5 SR48600 the Biggest
Maximum output for all aftermarket motors
680 amp peak output
Controller + Solenoid + Cables + HD switch or SW202 contactor
See discounted solenoid in the drop down menu.
See optional fan kit below
Alltrax SR controls are compatible with the speed shift on the fly
Add an extra 36 or 48v resistor to your controller package purchase below.
Allows 36v operation now and 48v operation later by swapping resistors.
Tech notes:
All of the motor current flows through the F&R switch in SERIES carts.
For the best results upgrade the Forward & Reverse switch and the cable set
in the series carts when upgrading the speed control.
See our Reversing contactor kitsfor the BEST in HD shifting and convenience.
We sell a complete line of Admiral motors to meet your needs.
Healthy batteries are mandatory !
Install cable upgrades for the best results.
Bigger cables provide less resistance & deliver more amperage.
More amperage = more torque. Happy Carting!
Item #4 SR48500 controller $525
Our most popular kit for on and off road use
The Huntin' Buggie pkg SR48500 + 400 HD Solenoid
Package deal discounts in the drop down menu
The Alltrax SR48500 control runs on 36 or 48 volts
The 570 amp peak is higher than any competitor in it's class
400 amp solenoid required. See option #2
A great combination for modified golf carts with big tires and rear seats.
Suitable for off road hunting buggies and aftermarket motors.
Use were bigger tires, added seating, or hills increase the torque demand
Item #2 400 controller with HD 200 solenoid option
All around Campground & Neighborhood speed controller
460 peak amp output, 36 or 48 volt operation, choose a 200 amp heavy duty solenoid with a free resistor, & diode. 200 amp HD solenoid is available in 36, 48, or 36/48 volts.
Good for moderately bigger tires & rear seats on moderate terrain.
(For really BIG tires, steep terrain, heavier loads, see SR48500 below)
Resistor and Diode, and safety main Fuse are included with controller/solenoid combo.
460 peak & more sustained amperage output than the competition or previous models
More amperage = more torque for bigger tires and hills. All controllers are pre-programmed. User programming is optional - the software is FREE. The new Alltrax Toolkit software is
the most user friendly program ever offered to the DIYer. Email if you have questions selecting the correct controller or throttle for your cart. Current price is our lowest price. Free solenoid bracket for TXT. Free resistor and diode on solenoid combos. You won't get more for less - anywhere on the net. See the drop down menu for the BEST pricing.
Select cart & voltage before adding controller to the shopping cart.
Alltrax SR Controller packages
300-600 amp speed controllers or all make Series carts.
The SR controls are the newest generation. They have reverse polarity protection on both input and output sides, So the controller is protected from any mishap or install error. Other features are new like built in cooling fan and automatic throttle signal calibration. Increased peak and sustained outputs make the 500 equal to the old 600 controls.... Free program options allow the user to build their own throttle and torque curves with a simple USB printer cable and free software at Alltraxinc.com
Built in cooling fan extends peak performance by reducing heat. Fan included on all 500 and 600 amp units. Simple add-on for 300 and 400 units.
Each controller carries a full 2 year replacement warranty.
See 10 reasons why the new Alltrax controllers are the best ever!
Item #1 Alltrax new SR48300 For all years Ezgo / CC/ Yamaha/ others
300a Alltrax SR48300 control & SW180 200 amp solenoid discount for both
Better than stock replacement controller and solenoid package
350 peak amp output & higher sustained output compared to any competitor
Durable Alltrax 300 amp controllers are a smart replacement choice.
Free program software from Alltrax. Simple usb connection for programming
Allows for custom throttle curves, acceleration rate selection, & more.
All controllers come preprogrammed. User programming is optional.
Simply select your cart from the drop down menu when ordering.
All Controller & solenoid combos include a free resistor and diode
Speed controllers and solenoids must be matched correctly
Most stock solenoids are 50-70 amps. This is ok for a 300 amp control.
400 amp control requires a 200 amp solenoid.
500 amp control requires a 400 solenoid
The Speed Control regulates the amperage flow
from the battery pack to the motor.
The Solenoid is the on/off switch between speed controller
and the battery pack. (amperage supply)
Bigger tires, more passengers, soft footing and hills
all require increased amperage flow.
A special note about SERIES golf cart performance below
Voltage = speed. Amperage = power. A common complaint we hear is the cart is too slow. Increasing the battery voltage from 36 to 48 volts
is a sure fire way to increase power and speed.
And more voltage requires less amperage which reduces component heat.
Series Controller
Packages
Golf Cart Parts and
Golf Cart Accessories
golf Carts Unlimited
Click image below for shift on the fly option information
Series SR48400
460 amp controller
For 300 and 400 amp controllers. This option upgrades the SW180 200 amp solenoid to 36v now and 48 volt operation later for any SR300 or SR400 combo controller/solenoid selection above.
Note the 400 solenoid listed with the SR500 and 600 is already 36/48 volt compatible;
The Controller combos including the big 400 amp solenoids like the MZJ400A require two 3/8ths cable connections. Stock cable connections are 5/16ths.
Add 2 big 3/8ths copper cable connection lugs here
Series controllers
SR48300
350 amp peak amp flow
All SR units are 36-48v operational without a program change.
See FN1 FN2 & FN-Key ~ Bluetooth Programming for XCT controllers
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