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Unread 05-26-2018, 04:43 PM   #1
Not Yet Wild
 
Join Date: May 2018
Posts: 2
Default Cart will not move low throttle under range HELP

I install a brand new Alltrax sr48500 controller, soleoid and heavy duty switch. Got it all from cartsunlimited.
Tah Wiring is all correct. Receiving low throttle under range. Controller is set ITS throttle type. If I change it to 0-5k 2 wire I receive same error as above plus high throttle over range.
Please help I am at a loss of what the problem could be. I have tried so many things. Thanks
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Unread 05-26-2018, 05:17 PM   #2
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Join Date: Sep 2017
Posts: 388
Default Re: Cart will not move low throttle under range HELP

Others with more knowledge should chime in soon but I do not believe your changing the throttle type is the correct thing to do.
Assuming your cart is a series cart the ITS is the correct throttle type.
Has the cart ever run after installing the new equipment?
If not it could very well be a wiring issue.
Post some pictures of your install so they can be reviewed (I did this after issues with my upgrade and someone noticed I had a wire crossed, made the recommended change and wa la!)
You can also email or PM Scottyb he will answer asap (this is a holiday weekend)
Good luck and welcome to the site.
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Unread 05-26-2018, 06:18 PM   #3
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Default Re: Cart will not move low throttle under range HELP

Iím with sideways on his suggestions, along with not having the knowledge to help you, other than suggesting you use the advanced search function. This topic comes up a lot, as far as throttle range errors. There are certain values you should get between the two wires coming from the its. I donít remember what they are but think theyíre different depending on stock control vs altrax. The values change as you press the accelerator.

Iíd post the pics, try searching, and recheck the wires from the its.
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Unread 05-27-2018, 10:53 AM   #4
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Location: West Virginia
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Default Re: Cart will not move low throttle under range HELP

There are high throttle over range and under range and low throttle over range and under range errors. The wording of all of them is confusing as to their exact meaning, but as a group they mean the voltage between the black and white wires that connect the ITS sensor in the pedal box to the controller, is outside the normal range of 10V with the pedal up and 6V with the pedal on the floor.

There are only three possible sources for these errors. (listed in alphabetical order)
1. Controller
2. ITS Sensor
3. Wiring that connects 1. and 2. together.

To measure the voltage between the black and white wires, the SR controller has to be powered up. It powers up when the pedal is pushed just far enough to make solenoid click, or when a computer is connected to it via the USB cable.

What is the voltage between the black and white wires with pedal up and pedal down? (Pedal up= 10V & pedal down = 6V)

What is the voltage on SR terminals the black and white wires connect to when the wires are disconnected. (Should be at least 10V)

With the black and white wires connected to the SR controller, but disconnected from the ITS Sensor in the pedal box, what is the voltage between the loose black and white wires in the pedal box. (Should be at least 10V)
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