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08-30-2019, 01:19 PM | #1 |
Not Yet Wild
Join Date: Jan 2012
Posts: 62
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Alltrax and New Motor help needed
So the stock motor took a dump commuter was slam tore up.Was running but had no torque for any inclines. Tires were too big for the baby motor. Got the bright idea to just do the upgrade that was in the future. Alltrax did not mention where the OBC (black wire) needs to land assumed B-. Went to take it for a spin and under load it surges real bad. No visible codes on the LED, not real sure where to start. Tried reaching out to Alltrax but the tech dept seems to be real busy. Not real sure where to start looking. Any help is appreciated
1999 CCDS Alltrax XCT-48500PDPLUS 2ga welding cable throughout Admirial MOT-A4 MZJ 400 Contactor with 3a diode (across small terminals stripe on blue side) |
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08-30-2019, 03:04 PM | #2 | |
Gone Wild
Join Date: Feb 2017
Location: Peachtree City, Georgia
Posts: 225
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Re: Alltrax and New Motor help needed
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08-30-2019, 03:48 PM | #3 |
Bonafide Nincompoop
Join Date: Dec 2015
Location: Charlottesburg Va
Posts: 8,987
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Re: Alltrax and New Motor help needed
Get the Toolkit Program like Phil said and check the controller settings.
Sounds like you may have a throttle issue, but you can check the throttle percentage in the toolkit and see exactly what the controller sees. If the throttle % is jumping around that will cause jerking/surging. |
08-30-2019, 05:37 PM | #4 |
Not Yet Wild
Join Date: Jan 2012
Posts: 62
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Re: Alltrax and New Motor help needed
Now that I got home I have tested it further using the software. It appears that the throttle is just fine while in neutral and works while monitoring. However when in gear it seems like it won’t go and surges over 40%. It has the stock field maps for the MOT-A4.
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08-30-2019, 07:12 PM | #5 |
Gone Wild
Join Date: Apr 2017
Location: SE TN
Posts: 2,218
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Re: Alltrax and New Motor help needed
Try this. To eliminate the possibility of the regen braking causing the surging try driving with the pedal floored. If it goes away you possibly have your regen set to high. The theory behind this is that at half throtttle if you hit a bump in the road your foot comes off the throttle a bit and applies regen. Next time you are driving while it is surging look at you gas foot and see if it is moving. And as always safety first.
Or you can turn the regen armature amps to zero and try it. |
08-30-2019, 08:30 PM | #6 |
Not Yet Wild
Join Date: Jan 2012
Posts: 62
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Re: Alltrax and New Motor help needed
So tried reducing the Regen amps, set, tested and still surges. It truly seems anything over 40% throttle. So far made sure it was set for v glide, checked all cabling and reset OBC. Things I am wondering are should it have a precharge resistor or Regen diode across large terminals on contractor. Do I pull the motor get maps and put stock motor to see if it still acts up? Don’t know where to get stock maps.
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08-30-2019, 08:38 PM | #7 | |
Gone Wild
Join Date: Apr 2017
Location: SE TN
Posts: 2,218
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Re: Alltrax and New Motor help needed
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08-30-2019, 09:46 PM | #8 |
Not Yet Wild
Join Date: Jan 2012
Posts: 62
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Re: Alltrax and New Motor help needed
Well that’s not the best of news but if that’s the solution then so it be. Is there an easy way to make the conversion? Or point me in the right direction?
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08-30-2019, 09:56 PM | #9 |
Gone Wild
Join Date: Dec 2016
Location: Kingsland, Georgia
Posts: 1,825
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Re: Alltrax and New Motor help needed
This would be the right direction;
http://www.revolutiongolfcars.com/ David Hicks, site sponsor, will get you the OEM parts you need. |
09-06-2019, 11:55 AM | #10 | |
Not Yet Wild
Join Date: Jan 2012
Posts: 62
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Re: Alltrax and New Motor help needed
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