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Unread 10-17-2013, 05:37 AM   #1
Gone Wild
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Default 01 DS Motor pulsing

I've had this cart for about 7 weeks. It's a series cart and has new batteries and cables. I've also replaced the leaf spring bushings. When it gets to top speed, the motor whine sounds like it's pulsing or turning on and off real fast. The cart actually bounces a bit in the front. I first thought it was a problem with the shocks but now noticing the sound of the motor. It never does it when going uphill or downhill. Kind of strange but thought I would give it a shot.

Anyone seen anything like this?
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Unread 10-17-2013, 08:53 AM   #2
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Default Re: 01 DS Motor pulsing

That's a weird one...
Is it a regen cart? Is the shifter a knob or a rocker switch?
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Unread 10-17-2013, 09:08 AM   #3
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Default Re: 01 DS Motor pulsing

It's a series cart.
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Unread 10-17-2013, 10:08 AM   #4
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Default Re: 01 DS Motor pulsing

Quote:
Originally Posted by basshawk84 View Post
It's a series cart.
Oh shoot, yep you said that in first post
How old the batteries?
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Unread 10-17-2013, 01:05 PM   #5
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Default Re: 01 DS Motor pulsing

I installed a new set of Crown 8V about a month ago, new cables as well. Batteries are charging up fine and the run time is great. This is a weird one for me, but it's the first series cart I've had and worked on. I've got two other Precedent carts as well.
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Unread 10-17-2013, 01:13 PM   #6
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Default Re: 01 DS Motor pulsing

Weird, My last guess would be a motor problem, but who knows.
Hopefully someone else will chime in...
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Unread 10-17-2013, 01:51 PM   #7
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Default Re: 01 DS Motor pulsing

Year? Volts?
Someone smarter than me is going to need more information.
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Unread 10-17-2013, 02:07 PM   #8
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Default Re: 01 DS Motor pulsing

It's an 01 48 volt DS series cart.
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Unread 10-17-2013, 03:11 PM   #9
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Default Re: 01 DS Motor pulsing

my guess ....
the motor pulsing , sounds like it is hitting max rpms allowed by controller and cutting in & out ,its not doing it on hills when the motor needs power to pull to keep you going and down hill costing .
the front bounce may be a wheel unbalanced
once you hear something it will bug you forever

again just a guess
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Unread 10-17-2013, 03:26 PM   #10
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Default Re: 01 DS Motor pulsing

My thoughts, too. Just couldn't get the words on the pc to sound right! Well stated!
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