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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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03-29-2015, 04:44 PM | #1 |
Gone Wild
Join Date: Jul 2011
Posts: 192
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solenoid trouble???
My cart has been recently overhauled from top to bottom
This weekend I noticed two things going wrong. First, when driving the cart seemed to all of a sudden speed up slightly on flat surface even though I didn't press down harder on the pedal Then the next day it wouldn't go at all and then suddenly lunge forward Now it sporadically seems to do this. Sometimes it will go when I push the pedal, and sometimes it wont at first, but then lunges forward... Does this sound like a solenoid problem? |
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03-29-2015, 09:02 PM | #2 |
Gone Wild
Join Date: Jul 2011
Posts: 192
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Re: solenoid trouble???
tonight I figured out that the only place that is getting hot is the FR switch, I guess that is the problem.
So who sells that upgraded F/R switch, looks like I need an upgrade Would a failing F/R switch cause the symptoms I am having? |
03-29-2015, 09:23 PM | #3 |
Gone Wild
Join Date: Dec 2011
Location: Jacksonville Beach, FL
Posts: 606
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Carts unlimited.net
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03-29-2015, 09:40 PM | #4 |
Gone Wild
Join Date: Jul 2011
Posts: 192
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Re: solenoid trouble???
Superduty Reversing Contactor 48v
Item # SW202-48v Select Manufacture: Ezgo is this what I need to replace what is pictured below? |
03-30-2015, 05:26 AM | #5 |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: solenoid trouble???
Are you sure that's the problem? Randomly changing out parts, rather than systematically trouble-shooting, can be costly.
Based on the limited info, I'd look at the connections to the ITS and throttle microswitch. Since you just completed an overhaul, did you wash it, maybe letting water get into the throttle box? When it doesn't go, does the solenoid click? A bad/dirty/intermittent connection to the ITS and/or throttle microswitch could cause the symptoms listed. There is a MOLEX connector that connects the throttle box to the wiring harness. I'd look at that as a possible suspect. Unplug, spray contact cleaner, then unplug/replug a couple of times. The solenoid is an on/off switch, and does nothing to affect speed. |
03-30-2015, 08:23 PM | #6 | |
Gone Wild
Join Date: Jul 2011
Posts: 192
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Re: solenoid trouble???
Quote:
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03-31-2015, 06:33 AM | #7 |
Gone Wild
Join Date: Aug 2014
Location: Duncan Corners
Posts: 905
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Re: solenoid trouble???
Talk to ScottyB .
CartsUnlimited.net He is site sponsor. He has high quality heavy duty f/r assy as well as contactor(sol) replacement that puts the f/r switch on dash like a pds cart. |
04-07-2015, 01:46 PM | #8 | |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: solenoid trouble???
Quote:
I agree heat is a problem. Check connections and cables. If you have bad connections, heat may have damaged the FNR, which may cause more and/or less resistance. Same at the solenoid. When it doesn't go, does the solenoid click???? |
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04-10-2015, 09:51 PM | #9 | |
Gone Wild
Join Date: Jul 2011
Posts: 192
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Re: solenoid trouble???
Quote:
I get NOTHING forward or reverse now. Could it be a bad battery??? Thanks for any help |
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04-10-2015, 10:50 PM | #10 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,358
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Re: solenoid trouble???
sometimes, not always, but sometimes when the F&R is begining to fail and contact is compromised somewhat you can grab the handle and pull or push on it some to improve or decrease contact. This can make a no go cart go or a slow cart faster or vise versa.... sometimes, not always. Other times a bad cable end can cause similar trouble, check em for heat.... you mentioned heat at the F&R ... that's a sign of bad contact or high resistance. If the cable is good the F&R contacts may be bad.
You can disassemble the F&R easily to inspect the 8 contacts. Remove nut B in the pic below. |
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