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Electric Club Car Electric DS, and Precedent golf cars |
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04-17-2014, 06:23 PM | #1 |
Not Yet Wild
Join Date: Apr 2014
Posts: 3
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48 volt club car - hot resistor
Greetings Gents,
I have owned this cart for a while and put in new batteries last year. Lots of kids over this weekend and someone "broke" the car. It does appear that it got ran into something. The batteries read good - they were loose, and the hold downs got broken, but I got them all back in place. The only thing I can find is the resistor wire on the solenoid is "melt the skin off your fingers" hot and is cooking the insulation around it. Any ideas? I dont see it could be a bad resistor (although im sure it is now) but I'm wondering what could have blown it The reverse beep works and I here the click under the go pedal when pressed. |
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04-17-2014, 06:56 PM | #2 |
Not Yet Wild
Join Date: Apr 2014
Posts: 3
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Re: 48 volt club car - hot resistor
BY the way the serial is AQ0302 if that helps, and running great before accident.
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04-18-2014, 09:32 AM | #3 |
revolutiongolfcars.com
Join Date: Mar 2010
Location: Golf Car Capital of The World... Augusta, Georgia
Posts: 10,224
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Re: 48 volt club car - hot resistor
This is almost always the sign of a bad motor controller.
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04-18-2014, 09:40 AM | #4 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,418
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Re: 48 volt club car - hot resistor
I'm not disagreeing
Cart will run without resistor in place. Resistor usually heats up when solenoid does not close and control tries to feed the motor by pulling amperage through the resistor... Could you try moving one large solenoid cable to the other side so both big cables are landing on the same post? |
04-18-2014, 10:04 AM | #5 | |
Gone Wild
Join Date: Aug 2011
Posts: 553
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Re: 48 volt club car - hot resistor
Quote:
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04-18-2014, 10:10 AM | #6 | |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,418
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Re: 48 volt club car - hot resistor
Quote:
What I'm saying is if the solenoid is not operating, operate it manually or bypass it. |
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04-18-2014, 11:02 AM | #7 |
Voltaholic
Join Date: Dec 2013
Location: Close to Navasota Texas
Posts: 934
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Re: 48 volt club car - hot resistor
I'll put in my 2 cents and y'all can take it for what it worth.
If the resistor is hot all the time, I would say its a bad controller. If it only gets hot when you try to drive the cart, I would say its a bad contactor. Or contactor not getting coil voltage. |
04-18-2014, 11:05 AM | #8 |
Voltaholic
Join Date: Dec 2013
Location: Close to Navasota Texas
Posts: 934
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Re: 48 volt club car - hot resistor
One more thing. In a situation like this do your testing with the rear wheels off the ground! You don't want a runaway cart!
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04-18-2014, 12:25 PM | #9 |
Gone Wild
Join Date: Aug 2011
Posts: 553
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Re: 48 volt club car - hot resistor
The controller output transistors are shorted, power is going to the motor through the resistor thus the hot resistor. To test this Disconnect the motor and the resistor cools. Now jumping the solenoid in this case could weld the last connection made and now there is no disconnect. Its just not safe even if off the ground the motor will spin up at full power or burn up having no control of speed.
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04-18-2014, 12:53 PM | #10 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,418
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Re: 48 volt club car - hot resistor
Curious to see what he finds now.
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