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Unread 04-07-2014, 02:28 PM   #1
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Default Short when hooking neg to bat post

I have a 2003 CC IQ the owner tried to put a speed sensor in motor and messed something up have checked sol ok batts check ok motor checks ok.Cart will not run solenoide does click,problem i am having when hooking batteries back up positve first neg last did 3 times ea time when hooking i gat a one time bad spark from neg.
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Unread 04-07-2014, 02:55 PM   #2
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Default Re: Short when hooking neg to bat post

I fried a controller once, when I hooked the negative cable it would spark/arc bad. The controller was already fried. It sounds like something is grounded out, be careful. Hopefully some of the pro's will comment.
Steve
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Unread 04-07-2014, 03:17 PM   #3
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Default Re: Short when hooking neg to bat post

Quote:
Originally Posted by kantuckian View Post
I have a 2003 CC IQ the owner tried to put a speed sensor in motor and messed something up have checked sol ok batts check ok motor checks ok.Cart will not run solenoide does click,problem i am having when hooking batteries back up positve first neg last did 3 times ea time when hooking i gat a one time bad spark from neg.
Does it have a run/tow switch? I'm guessing not on that year. I'm not sure how they did it before the run two switch without arcing. I accidently left mine in run once and it made a big pop arc but that was the inrush to the controller. No issues but I'd never do that again, got lucky. I'm sure there is a safe way on older models, guess we'll get some experience to post that up. If there was something crossed then something would just burn up, you'd probably smell it first.
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Unread 04-07-2014, 03:23 PM   #4
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Default Re: Short when hooking neg to bat post

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Originally Posted by scooterman View Post
Does it have a run/tow switch? I'm guessing not on that year. I'm not sure how they did it before the run two switch without arcing. I accidently left mine in run once and it made a big pop arc but that was the inrush to the controller. No issues but I'd never do that again, got lucky. I'm sure there is a safe way on older models, guess we'll get some experience to post that up. If there was something crossed then something would just burn up, you'd probably smell it first.
Use a 470 ohm resistor - hold it on the cable end and touch the main neg for 45 seconds....... then quickly go for the connection.
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Unread 04-07-2014, 03:57 PM   #5
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Default Re: Short when hooking neg to bat post

You can also use a 60w incandescent light bulb (240 ohm resistance), in series with the cable if you do not have a resistor handy. I have noticed the spark is usually due to the voltage converter capacitors charging as the controller capacitors already charge thru the pre-charge resistor (reduced current).
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Unread 04-07-2014, 04:14 PM   #6
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Default Re: Short when hooking neg to bat post

It does have a tow run switch also the solenoide does not have a reistor hooked between the line cables if i installed one would it be same as hooking one up as someone said above
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Unread 04-07-2014, 04:45 PM   #7
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Default Re: Short when hooking neg to bat post

. . . do you have a voltage reducer on the cart?
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Unread 04-07-2014, 04:55 PM   #8
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Default Re: Short when hooking neg to bat post

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Originally Posted by kantuckian View Post
It does have a tow run switch also the solenoide does not have a reistor hooked between the line cables if i installed one would it be same as hooking one up as someone said above
Not exactly but it should have one if it does not
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Unread 04-07-2014, 05:17 PM   #9
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Default Re: Short when hooking neg to bat post

make sure to put it in tow when disconnecting and reconnecting the batteries. some carts will arc on run while others wont and even in tow i've seen small arcs before.
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Unread 04-07-2014, 05:17 PM   #10
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Default Re: Short when hooking neg to bat post

does not have a voltage reducer
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