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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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08-22-2013, 12:30 PM | #1 |
Not Yet Wild
Join Date: Dec 2012
Posts: 5
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Full power in reverse, part power in forward
1994 Electric Medalist. Been sitting for a while (year) and now had 6 new batteries. Has full power in reverse but in forward had maybe half power.
Where do I start looking? All batteries checked out fine and does run good in reverse. In forward it barely will climb the small inclind in my yard but in reverse it runs up the hill. |
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08-22-2013, 12:37 PM | #2 |
Master of All Things
Join Date: May 2013
Location: West Columbia, Texas
Posts: 17,976
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Re: Full power in reverse, part power in forward
if its a series cart......could something have gotten swapped? cabling that is.....for if its a series cart, and the S1 and S2 on the motor are swapped, it would start going faster in forward and slower in reverse........or if the same two cables were swapped at the F/R switch.
Now if the only thing you did is install new batteries and this started happening....well that is another story. |
08-22-2013, 12:43 PM | #3 |
Stay thirsty my friends!
Join Date: Jan 2007
Location: Suburban Chicago
Posts: 24,284
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Re: Full power in reverse, part power in forward
What if he got the polarity wrong on the entire battery pack?
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08-22-2013, 01:26 PM | #4 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,406
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Re: Full power in reverse, part power in forward
What if half speed reverse is connected to the forward micro switch or what if you swap the two big cables on the F&R between 9 and 3 o'clock positions ?
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08-22-2013, 01:33 PM | #5 |
Not Yet Wild
Join Date: Dec 2012
Posts: 5
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Re: Full power in reverse, part power in forward
All I did was replace the batteries. Did it one at a time and dont think I did anything wrong. All wires are going from Neg to Pos on each battery.
I was careful not to change any wires. |
08-22-2013, 02:13 PM | #6 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,406
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Re: Full power in reverse, part power in forward
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08-22-2013, 02:32 PM | #7 |
Gone Wild
Join Date: Dec 2009
Location: Aiken, SC
Posts: 13,131
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Re: Full power in reverse, part power in forward
It is possible it was incorrect when the OP got it.. Don't know. Did it ever work right ?
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08-22-2013, 09:01 PM | #8 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: Full power in reverse, part power in forward
If you have a cart with a motor controller, and hook up polarity completely backward, the instant the solenoid engages....POOF...no more controller. The diodes in the controller would allow a dead short to destroy one/many/all of the mosfets in the controller, burn the traces off the circuit boards, and render the controller completely useless and probably un-rebuildable. But, back to the original question, i agree with the "flipped" field wires theory. Does the reverse beeper work at all? What brand motor controller?
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08-23-2013, 07:46 AM | #9 |
Not Yet Wild
Join Date: Dec 2012
Posts: 5
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Re: Full power in reverse, part power in forward
Hey Scottyb.....I dont need you wise cracks this morning. Thank you. As I said I never touched anything except the batteries. All batteries are wired neg to pos just like the original.
Cart has been setting for a year or so so maybe I have a bad connection somewhere but not sure where to look. Yes when I bought the cart it worked fine but had some old off brand batteries that were weak. Before I could get new batteries I had some medical problems so had to park it. I am now ready to get it running for hunting season but dont want to drive in reverse all over the woods...lol So who has some good points for me......I do need help on this one. |
08-23-2013, 08:09 AM | #10 |
Gone Wild
Join Date: Jan 2013
Location: Wilsonville, Al
Posts: 291
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Re: Full power in reverse, part power in forward
Oconee, there are several diagrams for the electrical systems at the top of the menu page. Carefully compare your cart to the appropriate one please.
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