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Unread 07-27-2016, 05:39 PM   #21
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Default Re: Club car Throttle problem

Yes it's a 1510 controller. I'll bypass the resistors tonight. I have pictures for you I just need to read up on how to post them. Is there an easy way to post pictures?
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Unread 07-27-2016, 06:14 PM   #22
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Default Re: Club car Throttle problem

If the pictures are on your computer, see the info below:
Attached Images
File Type: jpg Pic_uploading_1.jpg (55.3 KB, 0 views)
File Type: jpg Pic_uploading_2.jpg (66.7 KB, 0 views)
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Unread 07-27-2016, 06:30 PM   #23
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Default Re: Club car Throttle problem

Time to laugh. All I use is my I Phone and I Pad I don't use a computer. Guess I can borrow one,
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Unread 07-27-2016, 06:44 PM   #24
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Default Re: Club car Throttle problem

It would be better to use the tapatalk app for uploading in that case.

Edit:

You can also do without the app, I am replying from my Android phone using plain Chrome.

The process is the same, but when you click on choose file, select the documents icon that comes up.
You will have access to all your local images, Google drive or any other cloud storage you have.

And you don't even have to type
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Unread 07-27-2016, 10:44 PM   #25
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Sent from my iPhone using Tapatalk
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Unread 07-27-2016, 10:49 PM   #26
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These are some pictures of the in line resistors that was causing my throttle faults. The owner did replace the entire harness ( obviously not the correct one). But these resistors were pretty much dead center between the batteries, in wire loom and tape.
Hope this helps if anyone has this issue
I'll bypass the resistors in the morning and post if the problem is corrected .


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Unread 07-28-2016, 03:12 PM   #27
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Default Re: Club car Throttle problem

Little update. Still having issues. I'm not getting a throttle fault anymore but after bypassing the inline resistors , with the cart on jack stands the med to full throttle the speed pulses. Can visibly see it and can here the motor pulsing. Now the readings on the the handheld , everything looks fine except for motor voltage which pulses from say 30s and 49 volts. Another weird thing is the throttle reading still isn't 0 with foot off the pedal. If I unplug the 3 pin plug on the MCOR throttle goes to 0. As soon as I plug it in the programmer shows 28% throttle. As I press the throttle it raises as it should but it rests at high 20s%
As far as you know do the 3 throttle wires tie into anything else? How about if I just run those 3 wires from 3pin to 16 pin connector?
I haven't tested anything else but I'll swap MCOR and try to visually inspect the wire harness.
I really appreciate your patients and help. Also tap talk made posting pictures a breeze.
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Unread 07-28-2016, 03:40 PM   #28
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Default Re: Club car Throttle problem

The controller will keep the motor from spinning faster than about 3300 rpm (stock magnet and speed code 3), and that happens pretty fast with the wheels off the ground.

When that happens, Regen is engaged to reduce rpm and without the cart weight pushing the wheels and turning the motor, it brakes pretty fast.

What I am trying to say it may be working just fine for when the wheels are OFF ground.

As far as the 28% throttle at rest, disconnect the speed sensor and see if the throttle rests at a lower value.

I did not think the IQ controller was affected by the negative wire issue like the old Alltrax DCX or Curtis 1268, but then again, I am not sure anyone converted an Excel harness back to IQ before.

If the throttle goes lower, You will need to isolate the purple wire from the MCOR so it is the only wire going to pin #3.

The other negatives sonic welded to that wire would have to go to a different negative source like B-.

This is your harness (Excel):
http://www.buggiesgonewild.com/attac...mcor_small.jpg
But that controller (Excel) pin out is a little different that yours, attached is the IQ harness and controller:
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File Type: jpg 2009_IQ_MCOR.jpg (620.3 KB, 0 views)
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Unread 07-29-2016, 10:18 AM   #29
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Default Re: Club car Throttle problem

Thanks again for all your help. Ill try all options you suggested Saturday. Its refreshing to know there are knowledgeable replying on forums offering to help. In the last four years I probably kept up on every BGW thread learning as much as I can about troubleshooting Thru the years, Ive read so many way off replies from well intentioned but ignorant ( not stupid) members that would drive me crazy.
Even though I'm rather new to the 36v and 48v volt systems I have plenty experience with 12 volt systems owning a car audio and customs shop since 1993. I only got into golf carts because customers started dropping off their carts for my shop to do everything from simple audio systems to all out $10k+ customizing, including one off fiberglass tops housing 8 monitors and fiberglass cowls showing off 8+ speakers.
Oh and i also personally do custom auto, marine,and golf cart upholstery.
i guess Im that Jack we all hear of.
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Unread 08-03-2016, 10:06 AM   #30
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Default Re: Club car Throttle problem

Back in town and just looked at the precedent from$&!! With the resistors removed the throttle rests at 40%. When it's switched into forward it drops to 23% and throws a HTP code , I disconnected the speed sensor to isolate the throttle. Now the throttle acts correct starting at 0 but of coarse it throws a speed sensor code. You mentioned to send purple directly from 3 pin to 16 pin and reg round the black wire on the speed sensor. No problem but does the ground point matter or is pack ground sufficient?
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