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Electric Club Car Electric DS, and Precedent golf cars |
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06-19-2019, 09:48 PM | #41 |
revolutiongolfcars.com
Join Date: Mar 2010
Location: Golf Car Capital of The World... Augusta, Georgia
Posts: 10,224
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Re: 2010 CC DS throwing main drop out fault
I know we spoke on the phone, but I'm gonna leave a comment here so I can follow this thread. I can't wait to find out what is causing this issue.
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06-19-2019, 09:53 PM | #42 |
Gone Wild
Join Date: Aug 2016
Posts: 612
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Re: 2010 CC DS throwing main drop out fault
Changed out the motor cables today and still no change. Changed out the solenoid again and it stopped throwing the main coil fault as soon as the key switch was turned but still would only run normal with 75% pedal depressed and as soon as I went 100% then it triggered the main dropout fault and shut the cart down. I think I’m going to let someone else have a crack at it; I think I’ve got about as far as I can. I’ll let you know what comes about it though.
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06-19-2019, 11:05 PM | #43 |
MOD of all BS!
Join Date: Sep 2011
Location: Florida
Posts: 17,477
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Re: 2010 CC DS throwing main drop out fault
This is an all-time high for me in regards to an undetermined anomaly....
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06-20-2019, 08:57 AM | #44 |
Gone Wild
Join Date: Aug 2016
Posts: 612
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Re: 2010 CC DS throwing main drop out fault
Same here and a shot to the ol ego [emoji2361]
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06-20-2019, 09:49 AM | #45 |
Bonafide Nincompoop
Join Date: Dec 2015
Location: Charlottesburg Va
Posts: 8,987
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Re: 2010 CC DS throwing main drop out fault
So to sort of summarize this.
You've replaced: Controller Motor Motor Cables Main Solenoid Main Wire Harness MCOR Added Diodes at the Tow Run switch? Still getting faults for Main Dropout, and Open Armature. Scanner still shows voltage fluctuations. The scanner showing these varying voltages may be an important point. Where does the Controller get the displayed voltage from? Is there any part of the electrical system related to the controller inputs that is NOT part of the Main harness? Is there a poor connection or bad wiring in another harness or cable, that's causing a voltage backup, or loss of voltage, that might affect the controller voltage readout? |
06-20-2019, 09:53 AM | #46 |
Gone Wild
Join Date: Aug 2016
Posts: 612
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Re: 2010 CC DS throwing main drop out fault
Everything you listed minus adding a diode to the run/tow switch....it’s a brand new harness; was I suppose to add one to it? The handheld is showing these voltage valleys/spikes but my regular meter does NOT..not sure about any other harnesses other than he run tow switch or the OBC harness but that shouldn’t play any factor in it right?
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06-20-2019, 10:06 AM | #47 | |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: 2010 CC DS throwing main drop out fault
It makes it harder to troubleshoot since new information keeps appearing out of nowhere like:
Quote:
The controller then checks to see if the voltage at B+ increased, if it did not, it assumes the Solenoid failed. If that test passes and later the voltage at B+ becomes lower than KSI, the controller generates a "main drop out error" since it did not instruct the Solenoid to release. Based on that last information, make sure there is only one cable on the Controller side of the Solenoid, the 12ga red wire should be on the battery side. Make sure there is no additional wires on Controller M- by mistake. Also keep in mind the "main drop-out error" that the harness diode fixes is a Controller vintage issue so depending what revision number controller you are using you may be re-introducing the problem. |
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06-20-2019, 10:16 AM | #48 |
Gone Wild
Join Date: Aug 2016
Posts: 612
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Re: 2010 CC DS throwing main drop out fault
I apologize for the omission it was something that just recently noticed by that was indeed happening. Any idea which model controller I would need to not be re-introducing the same problem? This one is a 1510A-5251 serial number 426828
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06-20-2019, 10:28 AM | #49 | ||
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: 2010 CC DS throwing main drop out fault
Any information, specially codes or odd behaviors you notice may be helpfull.
The only information I have seen from club Car on the diode is this comment: Quote:
Quote:
As we know now the drop-out harness is not available anymore, no big deal, but if your harness does not have a working diode between the tow/run and Controller pin #9, You should add one. Did You do a quick check on those wire connections I mentioned just to eliminate simple wiring mistakes? |
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06-20-2019, 10:37 AM | #50 |
Gone Wild
Join Date: Sep 2012
Location: Charlotte, NC
Posts: 9,329
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Re: 2010 CC DS throwing main drop out fault
Keep your regular voltmeter meter on the Solenoid positive activation wire (light blue wire) and pack negative.
That is the same power source for the Controller pin #10 (tan wire) where the Controller should be taking the voltage reading. If You notice a voltage drop there and it is a new harness with new sonic-welds, You may want to check the dash harness and key switch. |
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