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Electric golf carts Harley Davidson, Melex, Pargo, Taylor-Dunn and other Misc. Carts. |
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03-18-2009, 10:21 PM | #1 |
Gone Wild
Join Date: Mar 2008
Location: Rockwall, Texas (Dallas / Ft. Worth)
Posts: 7,077
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Gem Car - 72 volt electric
Anyone have any experience with these models? I had a customer drop one off today that does not run. The charger will not come on, but the entire battery bank was below 24 volts. I am assuming that the voltage is too low for the onboard charger to kick on, but do not have any specs for a 72 volt charger?
The batteries are gel style that are in it now, but I was thinking that they orginally came with a Trojan? Throw me some bones here!!! We're wrenching in the blind!!! |
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03-18-2009, 10:26 PM | #2 |
NOT a Sponsor
Join Date: Jan 2009
Location: So CAL
Posts: 2,147
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Re: Gem Car - 72 volt electric
i dont have part numbers but if it has gem bat it needs a gel charger... check voltage in each battery ??? charge each battery with a car charger if you need a charger or motor let me know
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03-18-2009, 10:32 PM | #3 |
Gone Wild
Join Date: Mar 2008
Location: Rockwall, Texas (Dallas / Ft. Worth)
Posts: 7,077
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Re: Gem Car - 72 volt electric
Vehicle is clean. It has the original onboard charger. The batteries in it now are from a company in Dallas that only sells RECON batteries, so I'm not counting on the current set to be any good! We'll individually charge the batteries to get her running again, fix the fiberglass and add a fresh coat of paint...
JUst looked online and saw that they DO come with 12 volt gel bateries - FYI |
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03-18-2009, 10:37 PM | #4 | |
NOT a Sponsor
Join Date: Jan 2009
Location: So CAL
Posts: 2,147
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Re: Gem Car - 72 volt electric
Quote:
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06-03-2009, 08:04 PM | #5 |
Gone Wild
Join Date: Dec 2008
Location: Liberty Lake, WA
Posts: 479
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Re: Gem Car - 72 volt electric
I just bought a 2005 Gem 2e in Sacramento, Ca. 32miles on it, in storage for 4 years. Batteries were toast. The owner of the Sacramento Battery Co. bought it and put in 6 new Deca "Dominator" 12 v Gel batteries. He had a traveling Gem mech. install them and also "reprogram" the on-board charger due to the Gel batteries charge at a different rate than the wet Trojans. It is a great little car but I am having a tough time insuring it for street use here in Washington State. I have a CD from e-bay for service & mntce. and there is a lengthy chapter on the charging process. I will research & see if it can help.
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06-04-2009, 12:02 PM | #6 |
Gone Wild
Join Date: Dec 2008
Location: Liberty Lake, WA
Posts: 479
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Re: Gem Car - 72 volt electric
Mikesmotortoys--I checked the Gem Service manual for my 2005. It had Trojan lead-acid batteries when new. When Gel batteries are installed it makes specific mention of the need to "modify or replace the on-board charger. If you want to contact me with a PM with your e-mail address I will attempt an attachement of the battery charging section of the manual. It could be an easier find to contact Trojan as to why the difference to charge the batteries. I believe it charges the Gels at a slower rate. Good luck.
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07-09-2011, 01:05 PM | #7 |
Not Yet Wild
Join Date: Jul 2011
Posts: 4
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Re: Gem Car - 72 volt electric
The on board charger will not kick in unless each battery has a minimum of 10 volts. I have a 2005 E2 GEM with gel T30 batteries. It sat for over a year and the batteries were down and someone told me that I could not revive them. I had a battery guy tell me how to rejuvenate them and they are working fine.
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07-09-2011, 01:40 PM | #8 |
Getting Wild
Join Date: Jan 2010
Posts: 90
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Re: Gem Car - 72 volt electric
hi
you need to charge each battery with a 12 volt charger |
07-09-2011, 01:43 PM | #9 |
Getting Wild
Join Date: Jan 2010
Posts: 90
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Re: Gem Car - 72 volt electric
sorry wrong thread
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10-19-2011, 02:06 PM | #10 | |
Not Yet Wild
Join Date: Oct 2011
Location: SF Bay Area
Posts: 4
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Re: Gem Car - 72 volt electric
Quote:
I was wondering if you could share with us how to revive the batteries. I have a 2005 GEM eS and the batteries are dead. I get about 0.5 volts from each. I plug in the car and the batteries don't charge and I don't even get the cluster to illuminate or the lights to work. |
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