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Electric Club Car Electric DS, and Precedent golf cars |
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01-11-2012, 05:36 PM | #1 |
Not Yet Wild
Join Date: Jan 2012
Posts: 23
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07 precedent will take off with full power then almost quit
I have an 07 48v (4-12's) precedent, and after a full charge it will take off with full power then drop down like it is only on 24 volts and barely pull back into the cart house. I have charged it 3 times in the last 3 weeks...
It will only go about 30 ft before kicking back down, but if it sits in it's place for a minute will go back to full power then kick back down again. I noticed the batteries were getting weaker and weaker last season, as it would only go 18-27 holes before showing signs of weakness... Now 30 ft! Is this a battery issue, computer issue, or speed controller, and how would I check any of these? I think these are the original batteries as they are stamped with Club Car, It was a lease cart from a course when I bought it last year. It did have a speedy link installed on it that bypasses the motor brake... Any other info needed, please let me know. Thanks, Wes |
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01-11-2012, 05:51 PM | #2 | |
Gone Wild
Join Date: Sep 2011
Location: East Michigan
Posts: 1,364
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Re: 07 precedent will take off with full power then almost quit
Quote:
If you look on the neg post it will have a date stamp on them. |
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01-11-2012, 06:04 PM | #3 |
revolutiongolfcars.com
Join Date: Mar 2010
Location: Golf Car Capital of The World... Augusta, Georgia
Posts: 10,224
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Re: 07 precedent will take off with full power then almost quit
Ride it til it acts up. Hop off and try to push it. If the cart tries to slow itself and the reverse buzzer goes beep beep beep you may have a battery problem. If the cart pushes easily, as if it were in the tow position you've got a bad speed sensor. Simple, easy fix.
EDIT: Yes, I understand it's got a Speedy Link installed to tweak the speed sensor output, however the SpeedyLink still needs a good working speed sensor for it to work properly. It might be a bad SpeedyLink.... Disconnect it and hook the harness pigtail directly to the speed sensor and see if the problem goes away. |
01-11-2012, 06:14 PM | #4 |
Not Yet Wild
Join Date: Jan 2012
Posts: 23
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Re: 07 precedent will take off with full power then almost quit
Batteries are 07 as stamped on the negative post... Serial number for the cart is pq0742-830790 if that helps. Will run it on charge tonight and check tomorrow for state of charge. Each and whole pack.
It's a good start so we will go from there. Thanks again. |
01-11-2012, 06:15 PM | #5 |
Not Yet Wild
Join Date: Jan 2012
Posts: 23
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Re: 07 precedent will take off with full power then almost quit
I disconnected it and it still does the same thing. I will however check the push test!
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01-11-2012, 06:21 PM | #6 |
Not Yet Wild
Join Date: Jan 2012
Posts: 23
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Re: 07 precedent will take off with full power then almost quit
I can push it all the way down the driveway forward or backward without any warning buzzer or slowing down... It tried to beep once but only got a half of a beep out but never slowed down when pushing backward.
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01-11-2012, 08:19 PM | #7 |
Mr. Helper
Join Date: May 2009
Location: NY Catskills & South carolina
Posts: 445
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Re: 07 precedent will take off with full power then almost quit
TahoeDawgz...nailed it for you..... I smell bad speed sensor....
and by the way I built a "speedy link" circuit and it caused nothing but trouble "CONFUSING" my comtroller..especially when i was going fast and then just went into coast....all of a sudden the motor drag (regen)would kick in..funt to play with ...fun to build.....better to remove. you can buy a new speed sensor for around $150 or if you can do soldering and wiring you can replace yours for around $5.00 in the photos ....this is a allegro 1302 hall effect sensor www.digikey.com part ----# 620-1012-nd ----$1.55 the photo shows the wire colors.... you are looking at the sensor (bottom right photo-) with the BEVELED SIDE up. (flat side down) |
01-12-2012, 12:25 PM | #8 |
Not Yet Wild
Join Date: Jan 2012
Posts: 23
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Re: 07 precedent will take off with full power then almost quit
Got two ordered... We will go from there!
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01-12-2012, 01:14 PM | #9 |
Mr. Helper
Join Date: May 2009
Location: NY Catskills & South carolina
Posts: 445
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Re: 07 precedent will take off with full power then almost quit
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01-13-2012, 10:15 AM | #10 |
Not Yet Wild
Join Date: Jan 2012
Posts: 23
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Re: 07 precedent will take off with full power then almost quit
Just the parts... 1.50 ea... Thought I would get two just in case I screwed one up with the solder...
the hall effect sensor is all I will need right? |
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