# GEM Forum **URL:** https://community.electricforum.com/c/gem-forum/101.md?page=17 [Latest](https://community.electricforum.com/latest.md) · [Categories](https://community.electricforum.com/categories.md) · [Tags](https://community.electricforum.com/tags.md) **Page:** 18 --- ## [Understanding 2016+ BMS](https://community.electricforum.com/t/understanding-2016-bms/27462)
**Author:** [@grantwest](https://community.electricforum.com/u/grantwest)\ **Replies:** 0\ **Last updated:** [February 12, 2024, 9:49pm UTC](https://community.electricforum.com/t/understanding-2016-bms/27462 "2024-02-12T21:49:07Z")
Because My car gos around the Factory Polaris BMS I never really worked with it or cared to understand how it works. I have few factory Lithium Gems now & I have been forced to have to learn a few thing’s about the Facto… --- ## [Look what's in the shop at QCCharge in Vista CA](https://community.electricforum.com/t/look-whats-in-the-shop-at-qccharge-in-vista-ca/27447)
**Author:** [@dougl](https://community.electricforum.com/u/dougl)\ **Replies:** 1\ **Last updated:** [February 11, 2024, 9:32am UTC](https://community.electricforum.com/t/look-whats-in-the-shop-at-qccharge-in-vista-ca/27447 "2024-02-11T09:32:27Z")
--- ## [LTO 25kw powerwall](https://community.electricforum.com/t/lto-25kw-powerwall/27423)
**Author:** [@LithiumGods](https://community.electricforum.com/u/LithiumGods)\ **Replies:** 5\ **Last updated:** [February 4, 2024, 6:52pm UTC](https://community.electricforum.com/t/lto-25kw-powerwall/27423 "2024-02-04T18:52:15Z")
What do you do when you have a large quantity for LTO modules your not using? make a powerwall. These are Lithium Titanate modules, super high output, 25,000 cycle life, safest lithium chemistry available(no thermal run … --- ## [Completely Stuck on 2014 e4](https://community.electricforum.com/t/completely-stuck-on-2014-e4/27405)
**Author:** [@wicawo](https://community.electricforum.com/u/wicawo)\ **Replies:** 51\ **Last updated:** [February 4, 2024, 4:44am UTC](https://community.electricforum.com/t/completely-stuck-on-2014-e4/27405 "2024-02-04T04:44:47Z")
New to GEM and new here. I have the flashing wrench, temp, turtle and drive mode squares. I have tried forums and service manuals but can’t figure it out. Everything seems to work except being able to choose a drive mode… --- ## [Two Dead 2009 GEM eLXd Trucks](https://community.electricforum.com/t/two-dead-2009-gem-elxd-trucks/27394)
**Author:** [@Smilinjo](https://community.electricforum.com/u/Smilinjo)\ **Replies:** 12\ **Last updated:** [January 25, 2024, 1:33am UTC](https://community.electricforum.com/t/two-dead-2009-gem-elxd-trucks/27394 "2024-01-25T01:33:54Z")
Let me say thank you for reading this Post. I am not an electrician, and only a fair mechanic by necessity. I have spent some time reading over the prior posts and I don’t even understand all of the acronyms that are bei… --- ## [1999 gem E825 doesn't function ](https://community.electricforum.com/t/1999-gem-e825-doesnt-function/27400)
**Author:** [@colinpiche](https://community.electricforum.com/u/colinpiche)\ **Replies:** 3\ **Last updated:** [January 23, 2024, 3:29pm UTC](https://community.electricforum.com/t/1999-gem-e825-doesnt-function/27400 "2024-01-23T15:29:07Z")
Little backstory Dad bought this golf cart and it was all working good. One thing it did which was odd, when he drove it and it got to a certain speed, everything would shut down. Dash and power to the motor. Upon keyin… --- ## [Polaris gem 2015+ lithium battery install](https://community.electricforum.com/t/polaris-gem-2015-lithium-battery-install/26763)
**Author:** [@Sixtysix7](https://community.electricforum.com/u/Sixtysix7)\ **Replies:** 4\ **Last updated:** [January 23, 2024, 3:51am UTC](https://community.electricforum.com/t/polaris-gem-2015-lithium-battery-install/26763 "2024-01-23T03:51:05Z")
Ok, so to make Michael M’s life a little easier I’m going to attempt a run down of my lithium install. (If you’re KINDA thinking about doing lithium, 110% yes, do it. remove battery’s and place battery with BMS on top… --- ## [Delta Q chargers](https://community.electricforum.com/t/delta-q-chargers/4698)
**Author:** [@beachbum](https://community.electricforum.com/u/beachbum)\ **Replies:** 98\ **Last updated:** [January 21, 2024, 1:15am UTC](https://community.electricforum.com/t/delta-q-chargers/4698 "2024-01-21T01:15:57Z")
I purchased a 2008 E4 Gem car a few months back. Everything was great for the first couple of month. I notice that the batteries hadn't charged as usual, I though I just hadn't push hard enough on the plug in cord. After… --- ## [Dead cart 2005 t4](https://community.electricforum.com/t/dead-cart-2005-t4/27373)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 11\ **Last updated:** [January 19, 2024, 6:53am UTC](https://community.electricforum.com/t/dead-cart-2005-t4/27373 "2024-01-19T06:53:22Z")
All functions blink in display, I’ve heard of this but never had it happen to ,me. Is this a trip to FSIP? Email rodneyadiehl@aol.com --- ## [BiPolar disorder and dueling BMS](https://community.electricforum.com/t/bipolar-disorder-and-dueling-bms/27370)
**Author:** [@GemDandy](https://community.electricforum.com/u/GemDandy)\ **Replies:** 7\ **Last updated:** [January 17, 2024, 3:13am UTC](https://community.electricforum.com/t/bipolar-disorder-and-dueling-bms/27370 "2024-01-17T03:13:17Z")
Second time this has happened. New Lithium battery pack and BMS showing 95% full. 2012 GEM E2 cart speedo/dash battery indicator has fallen from 95% down to 50% after sitting unused for a month. It appears that there is … --- ## [Jacked Up (floor jacks)](https://community.electricforum.com/t/jacked-up-floor-jacks/27306)
**Author:** [@grantwest](https://community.electricforum.com/u/grantwest)\ **Replies:** 18\ **Last updated:** [January 12, 2024, 10:26pm UTC](https://community.electricforum.com/t/jacked-up-floor-jacks/27306 "2024-01-12T22:26:41Z")
Seeing on how many of us here are working on our cars and that includes jacking them up and getting under them I figured I would share. I have been using a 1.5 ton Jack for a while now. It’s a great Jack no real complai… --- ## [2014 E4 lower control arm bushing worn out](https://community.electricforum.com/t/2014-e4-lower-control-arm-bushing-worn-out/27362)
**Author:** [@LithiumGods](https://community.electricforum.com/u/LithiumGods)\ **Replies:** 5\ **Last updated:** [January 11, 2024, 5:22pm UTC](https://community.electricforum.com/t/2014-e4-lower-control-arm-bushing-worn-out/27362 "2024-01-11T17:22:05Z")
What are my options to repair or replace? --- ## [2000 gem charging](https://community.electricforum.com/t/2000-gem-charging/27351)
**Author:** [@NewGuyHelp](https://community.electricforum.com/u/NewGuyHelp)\ **Replies:** 42\ **Last updated:** [January 9, 2024, 9:42pm UTC](https://community.electricforum.com/t/2000-gem-charging/27351 "2024-01-09T21:42:00Z")
I really need your help … have a 2000 e825 new batteries the charger turn on 1 yellow flash, 10 to 20 min of green flashing, then flash 2 red pause 2 red pause continuously. What do i need to do should i repair the char… --- ## [2007 gem e4 controller options](https://community.electricforum.com/t/2007-gem-e4-controller-options/27360)
**Author:** [@bigrhett](https://community.electricforum.com/u/bigrhett)\ **Replies:** 7\ **Last updated:** [January 8, 2024, 4:57am UTC](https://community.electricforum.com/t/2007-gem-e4-controller-options/27360 "2024-01-08T04:57:45Z")
I have a e4, with a t4 controller. Are there any upgrade options controller wise. Also are the t4 and t5 interchangeable. --- ## [2020 Gem Car Quits Running](https://community.electricforum.com/t/2020-gem-car-quits-running/27339)
**Author:** [@garymatheis](https://community.electricforum.com/u/garymatheis)\ **Replies:** 28\ **Last updated:** [January 7, 2024, 4:20pm UTC](https://community.electricforum.com/t/2020-gem-car-quits-running/27339 "2024-01-07T16:20:26Z")
My 2020 Gem E2 will run for a while like maybe 1 mile or so and then just quit. The dash stays lit up but the car won’t go. If I plug it in to the charger for 5 seconds, it will come to life and run for a mile or so. … --- ## [2008 Gem hub play](https://community.electricforum.com/t/2008-gem-hub-play/27331)
**Author:** [@grog01](https://community.electricforum.com/u/grog01)\ **Replies:** 1\ **Last updated:** [January 7, 2024, 8:35am UTC](https://community.electricforum.com/t/2008-gem-hub-play/27331 "2024-01-07T08:35:36Z")
I replaced my front bearings because i didnt like the side-to-side play in both front wheels. Typically (on other vehicles) I hand tighten the castle nut…maybe give it an extra 1/8 turn and the put the cotter pin in. E… --- ## [2000 GEM has new batteries - does NOTHING!](https://community.electricforum.com/t/2000-gem-has-new-batteries-does-nothing/24095)
**Author:** [@Hotzap](https://community.electricforum.com/u/Hotzap)\ **Replies:** 17\ **Last updated:** [January 5, 2024, 6:47pm UTC](https://community.electricforum.com/t/2000-gem-has-new-batteries-does-nothing/24095 "2024-01-05T18:47:16Z")
I just purchased a 2000 gem E825, put 6 new Renogy hybrid gel cells in it, and the only thing it will do is buzz if it is in road mode with the brake off! I have voltage at the main contactor (but NO click) but no displ… --- ## [2005 e2 stuck in turf mode](https://community.electricforum.com/t/2005-e2-stuck-in-turf-mode/27349)
**Author:** [@gcarliteuser](https://community.electricforum.com/u/gcarliteuser)\ **Replies:** 11\ **Last updated:** [January 6, 2024, 1:08pm UTC](https://community.electricforum.com/t/2005-e2-stuck-in-turf-mode/27349 "2024-01-06T13:08:31Z")
My GEM car will not change to DH mode. DL (turf mode) lights up on the dash whether I select DL or DH on the switch. Max speed is 20 mph. Has anyone else had to deal with this issue?.I removed the 3-position rocker switc… --- ## [Wtb 2013-2015 e4](https://community.electricforum.com/t/wtb-2013-2015-e4/27336)
**Author:** [@LithiumGods](https://community.electricforum.com/u/LithiumGods)\ **Replies:** 1\ **Last updated:** [January 4, 2024, 10:50pm UTC](https://community.electricforum.com/t/wtb-2013-2015-e4/27336 "2024-01-04T22:50:34Z")
looking for an E4 13-15. overall condition needs to be good. Batteries and mechanical not important. Ready to buy asap --- ## [DIY Solar charging](https://community.electricforum.com/t/diy-solar-charging/24222)
**Author:** [@E6Limo](https://community.electricforum.com/u/E6Limo)\ **Replies:** 5\ **Last updated:** [December 30, 2023, 7:35pm UTC](https://community.electricforum.com/t/diy-solar-charging/24222 "2023-12-30T19:35:52Z")
Neighbor gave me a 400 watt Q cell panel. Welded up a frame. Installed an Enervolt charger. Max charging amps I’ve seen is 7.5 --- ## [Gem golf car 2018 6 seats](https://community.electricforum.com/t/gem-golf-car-2018-6-seats/27320)
**Author:** [@GD\_Debre](https://community.electricforum.com/u/GD_Debre)\ **Replies:** 5\ **Last updated:** [December 27, 2023, 11:34pm UTC](https://community.electricforum.com/t/gem-golf-car-2018-6-seats/27320 "2023-12-27T23:34:57Z")
Anyone ever had a problem with the handbrake dash light turning on while driving consistently?? Any chance I can find this wire and see it connecting? Plus I have this buzzing sound from car stereo only when hand brake … --- ## [Battery Indicator Gauge](https://community.electricforum.com/t/battery-indicator-gauge/24343)
**Author:** [@lennyl](https://community.electricforum.com/u/lennyl)\ **Replies:** 26\ **Last updated:** [December 28, 2023, 2:47pm UTC](https://community.electricforum.com/t/battery-indicator-gauge/24343 "2023-12-28T14:47:31Z")
Hello all - I can really use some help with this issue. I have a 2016 E6 early model., my dash battery indicator is not working, my batteries are fully charged and the indicator is reading dead. Any help is much apprecia… --- ## [Need new batteries?](https://community.electricforum.com/t/need-new-batteries/27191)
**Author:** [@MikeK](https://community.electricforum.com/u/MikeK)\ **Replies:** 18\ **Last updated:** [December 27, 2023, 2:38pm UTC](https://community.electricforum.com/t/need-new-batteries/27191 "2023-12-27T14:38:30Z")
Charges fully, shows over 12 volt on all batteries, but drive it and take it down 3 lines and the turtle shows up. If I need new one what do I get? --- ## [Armature balancing](https://community.electricforum.com/t/armature-balancing/27312)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 0\ **Last updated:** [December 27, 2023, 1:22am UTC](https://community.electricforum.com/t/armature-balancing/27312 "2023-12-27T01:22:12Z")
Don’t scrap that motor because it vibrates, Armature balancing is now a “TOUCHED BY RODNEY” service, Email rodneyadiehl@aol.com --- ## [Venting a GEM (T5) Controller](https://community.electricforum.com/t/venting-a-gem-t5-controller/27182)
**Author:** [@gkupsch](https://community.electricforum.com/u/gkupsch)\ **Replies:** 18\ **Last updated:** [December 20, 2023, 6:50am UTC](https://community.electricforum.com/t/venting-a-gem-t5-controller/27182 "2023-12-20T06:50:30Z")
Live in FL where heat is a problem. Want to find a solution that will consistently reduce the heat buildup on the controller. Noticed there are two round areas inside the controller cover. Seems like a great place whe… --- ## [What is this connector for?](https://community.electricforum.com/t/what-is-this-connector-for/27273)
**Author:** [@Af8](https://community.electricforum.com/u/Af8)\ **Replies:** 2\ **Last updated:** [December 14, 2023, 2:41am UTC](https://community.electricforum.com/t/what-is-this-connector-for/27273 "2023-12-14T02:41:49Z")
I noticed these connectors by each headlight. Per wiring diagram for red/white and Brown/white it’s a hot and ground but there is no reference in the manual what these plugs are for? Any ideas? --- ## [Would it be worth $1500](https://community.electricforum.com/t/would-it-be-worth-1500/27260)
**Author:** [@donnasman79](https://community.electricforum.com/u/donnasman79)\ **Replies:** 7\ **Last updated:** [December 13, 2023, 3:27am UTC](https://community.electricforum.com/t/would-it-be-worth-1500/27260 "2023-12-13T03:27:04Z")
I came across an 02’ e825 two-seater with flat bed. Been sitting for over a yr, has 2- 1yr + old and 4 brand new marine deep cycle batteries. The motor was supposedly rebuilt just before it got parked. Seems to operate p… --- ## [2002 E4 Motor (Brushes?)](https://community.electricforum.com/t/2002-e4-motor-brushes/26415)
**Author:** [@yardbeatles](https://community.electricforum.com/u/yardbeatles)\ **Replies:** 8\ **Last updated:** [December 10, 2023, 6:32pm UTC](https://community.electricforum.com/t/2002-e4-motor-brushes/26415 "2023-12-10T18:32:51Z")
My 2002 e825 four seater has been chuggin’ along okay… last couple of months have been getting some studdering taking off AND while at speed. I’;ve had some history with old R/C car stuff and figured the brushes were eit… --- ## [2000 Gem E825 72 to 12 volt converter retrofit?u](https://community.electricforum.com/t/2000-gem-e825-72-to-12-volt-converter-retrofit-u/27234)
**Author:** [@Jgaugh](https://community.electricforum.com/u/Jgaugh)\ **Replies:** 1\ **Last updated:** [December 4, 2023, 9:50pm UTC](https://community.electricforum.com/t/2000-gem-e825-72-to-12-volt-converter-retrofit-u/27234 "2023-12-04T21:50:44Z")
Hi. I recently bought a 2000 Gem E825. Is there a 72 to 12 volt power converter retrofit available? Thanks! --- ## [Battery confusion e825](https://community.electricforum.com/t/battery-confusion-e825/17092)
**Author:** [@ScottCleff](https://community.electricforum.com/u/ScottCleff)\ **Replies:** 26\ **Last updated:** [December 4, 2023, 6:26am UTC](https://community.electricforum.com/t/battery-confusion-e825/17092 "2023-12-04T06:26:35Z")
My Wife, and I, purchased an 825, with batteries labeled 2017, and 2018. Being uninformed, we were hoping for more than 20, very short rides with our Sharpei. After each ride, I plugged cart back in, and heard charger s… [Previous page](https://community.electricforum.com/c/gem-forum/101.md?page=16) [Next page](https://community.electricforum.com/c/gem-forum/101.md?page=18)