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Electric Club Car Electric DS, and Precedent golf cars |
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05-03-2018, 06:49 PM | #11 |
revolutiongolfcars.com
Join Date: Mar 2010
Location: Golf Car Capital of The World... Augusta, Georgia
Posts: 10,224
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Re: Replaced mcor 4 but now having new problems
You're running an Admiral A4, but you don't mention which controller you're using? If it's an Alltrax XCT, which I'm assuming it is, with that motor... Try hooking up to it with your laptop and turning off the "Speed Limit Enabled" check box. Save it and go out and drive your cart again. If the problem is fixed, replace the speed sensor on the motor. Bad speed sensors on the motor, when powered by an Alltrax can have that exact effect on a golf car that you're describing.
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05-03-2018, 07:47 PM | #12 | |
Not Yet Wild
Join Date: Sep 2017
Posts: 68
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Re: Replaced mcor 4 but now having new problems
Quote:
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05-03-2018, 08:12 PM | #13 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,419
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Re: Replaced mcor 4 but now having new problems
53v is high 50.9 is fully charged, unless the pack is hot off the charger the meter is not reading right. What the meter read when the cart is shuddering ?
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05-04-2018, 05:51 AM | #14 |
Not Yet Wild
Join Date: Sep 2017
Posts: 68
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Re: Replaced mcor 4 but now having new problems
That reading was with my hand held meter right off the charger. Now it reads 51 after sitting overnight and stays at 51 volts when pushing accelerator and causing cart to shutter.
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05-04-2018, 07:27 AM | #15 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Replaced mcor 4 but now having new problems
If the motor shudders but there is no load on the batteries, make sure the Solenoid is clicking and closing the contacts.
As suggested, running the Alltrax monitor function should make diagnostic easier. |
05-04-2018, 07:53 AM | #16 | |
Not Yet Wild
Join Date: Sep 2017
Posts: 68
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Re: Replaced mcor 4 but now having new problems
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In order to access my controller I have to remove 2 batteries. Do the batteries need to be connected in order for the monitor function to diagnose properly? I did click on that tab but nothing showed irregular. |
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05-04-2018, 08:07 AM | #17 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Replaced mcor 4 but now having new problems
While the controller logic will power using the USB cable, it will not provide you with anything to monitor unless the cart is working.
Can You not reach from behind/underneath the cart and plug the USB cable to the controller? |
05-04-2018, 08:15 AM | #18 | |
Not Yet Wild
Join Date: Sep 2017
Posts: 68
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Re: Replaced mcor 4 but now having new problems
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Not sure if this is relevant or not but I just noticed there’s no resistance when I push on the cart. Even with the key on and accelerated pressed in forward mode I only get very slight resistance when pushing backwards. |
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05-04-2018, 08:22 AM | #19 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: Replaced mcor 4 but now having new problems
Is your 2013 Precedent using the OBC or Eric?
Since it started after a charging cycle it could be a malfunction on the charger lockout circuit (the actual lockout function would prevent any movement whatsoever). |
05-04-2018, 08:29 AM | #20 | |
Not Yet Wild
Join Date: Sep 2017
Posts: 68
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Re: Replaced mcor 4 but now having new problems
Quote:
I did hook up the controller and got into the monitor tab. It’s showing my battery voltage at 50.2 volts at rest. My dash gauge (green lights gauge) shows full charge. When I turn on key and push accelerator the voltage drops on the monitor to 40-44 volt and red light comes on for low battery. |
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