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Unread 12-06-2011, 11:02 AM   #31
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Default Re: Removed & cleaned batteries, now won't go?

ok theres plenty of voltage.....do you have a voltage meter? if so measure voltage at the charge receptical and than plug charger in and measure again at #1 and #6 batteries to see what voltage is while charger is plugged in................i,m interested to see if theres a difference or if you have full pack voltage that will tell us if batteries are connected right...........pos probe from voltage meter on pos terminal of #1 battery and neg probe from meter on neg terminal of #6 battery ......should have 48 volts or better..........do that while charger is on cart and off....................................
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Unread 12-06-2011, 11:12 AM   #32
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Default Re: Removed & cleaned batteries, now won't go?

Quote:
Originally Posted by shadowman View Post
ok theres plenty of voltage.....do you have a voltage meter? if so measure voltage at the charge receptical and than plug charger in and measure again at #1 and #6 batteries to see what voltage is while charger is plugged in................i,m interested to see if theres a difference or if you have full pack voltage that will tell us if batteries are connected right...........pos probe from voltage meter on pos terminal of #1 battery and neg probe from meter on neg terminal of #6 battery ......should have 48 volts or better..........do that while charger is on cart and off....................................
With Neg cable not attached, 38v across all 6 batteries.
With Neg cable attached, 18v across all 6.
With Neg cable attached and charger plugged in, 18v across all 6.
Cart has been sitting with Tow/Run switch to Run and Neg cable attached for the past hour. Was 48v earlier.
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Unread 12-06-2011, 11:31 AM   #33
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Default Re: Removed & cleaned batteries, now won't go?

Pack voltage with switch in TOW position and Neg cable attached . . ?? Maybe something sucking the life out of batteries when in RUN position . . . ??
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Unread 12-06-2011, 11:44 AM   #34
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Default Re: Removed & cleaned batteries, now won't go?

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Originally Posted by Stevegrmich View Post
Pack voltage with switch in TOW position and Neg cable attached . . ?? Maybe something sucking the life out of batteries when in RUN position . . . ??
In tow position, 38-40v and rising as I watch.
In run position, 36v and going down as I watch.
Key off.
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Unread 12-06-2011, 12:30 PM   #35
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Default Re: Removed & cleaned batteries, now won't go?

something is really wrong here that voltage makes no sense.......i think you should take batteries out of cart and start over putting 1 in at a time starting with #1 and then 2 and so on.....and connecting cables as you go 1 at a time.......when you changed them the 1st time did you have cart in tow? ........i say start over from scratch and lets worry about only hooking battery cables up until we get it figgered out.............tape up all ends of wires so you don,t have to worry about anything touching anything.................................
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Unread 12-06-2011, 12:47 PM   #36
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Default Re: Removed & cleaned batteries, now won't go?

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Originally Posted by shadowman View Post
something is really wrong here that voltage makes no sense.......i think you should take batteries out of cart and start over putting 1 in at a time starting with #1 and then 2 and so on.....and connecting cables as you go 1 at a time.......when you changed them the 1st time did you have cart in tow? ........i say start over from scratch and lets worry about only hooking battery cables up until we get it figgered out.............tape up all ends of wires so you don,t have to worry about anything touching anything.................................
Since I read almost full voltage (it was full when I reinstalled the batteries), I don't see how removing them and putting them back will do anything but create work with no change. I appreciate your suggestions, but I have decided to have a cart tech come and look at it. I believe I must have a short somewhere or a bad component.
I will post the results after he comes by this afternoon.
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Unread 12-06-2011, 12:57 PM   #37
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Default Re: Removed & cleaned batteries, now won't go?

Hmmm . . . short somewhere outside of battery pack . . ?? . . . maybe motor or controller shorting to ground . . . ???
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Unread 12-06-2011, 01:28 PM   #38
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Default Re: Removed & cleaned batteries, now won't go?

its the 36 or 38 volts thats isn,t right and than going to 48 those #,s just don,t make sense..............i suggested starting from scratch because you said everything was ok until you put the batteries in so that leads me to think it is just something you did and by starting over maybe we can find it...........unless we arn,t getting the whole story here because if this was a strait just installed batteries and didn,t short anything or connect anything backwards theres no reason what so ever for the cart to be acting up now...........so i,m assuming if you now have to call someone to come look at it theres more going on then is being posted.........good luck and let us know i know i,m interested....................................
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Unread 12-06-2011, 01:56 PM   #39
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Smile Re: Removed & cleaned batteries, now won't go?

I've posted everything I know. It makes sense to me that if there is a drain on the batteries, then it will read lower voltages over time.
I didn't just remove and replace the batteries, as I explained earlier. I sprayed the frame with battery cleaner/acid detector. It foamed up and after a few minutes, I hosed it all off. I did not spray the cleaner or water into the compartment behind the seat, but some water could have gotten in there.
To review:
When I reinstalled the batteries, it backed up. That alone means to me that the batteries were reinstalled and connected properly.
When I switched to Forward, it would not go. The same way it does not go if you switch between F & R without releasing the accelerator pedal. It then would not go either direction. I suspect that is when the damage occured.
I heard the batteries bubbling, the charge indicator showed a full charge on the dash. I plugged in the charger, it made the same noise it always does when it is charging, only it showed 0 amps. I checked the voltage across the batteries and it was 48v.
I left the charger on all night, and the charger turned itself off, but the cart would do nothing. Now when I put it in Run, it appears to be draining the batteries . I checked all fuses that I could find. I Checked the Tow/Run switch for continuity, it is OK.
I tried to reset the OBC, but the Rev buzzer did not buzz.
If I had to guess, I would say the F/R switch is bad. Maybe shorted. I don't know how to test it. All I have is a simple multi-meter.
Thanks again to you all for your help. I guess there are certain situations when someone who knows carts has to physically look it over.
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Unread 12-06-2011, 04:13 PM   #40
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Default Re: Removed & cleaned batteries, now won't go?

you say the same symptom as when you don't let off the pedal when going from fwd to rev, could be bad connection/or the pedal giving the controller a run signal,(high resistance ) could be the drain on batts when you have it in run not tow did the pedal get wet during the cleaning,

pedal is also used in the reset I think so if it's not working the buzzer would never come on ,
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