# GEM Forum **URL:** https://community.electricforum.com/c/gem-forum/101.md?page=9 [Latest](https://community.electricforum.com/latest.md) · [Categories](https://community.electricforum.com/categories.md) · [Tags](https://community.electricforum.com/tags.md) **Page:** 10 --- ## [To part out or not part out...that is the question/](https://community.electricforum.com/t/to-part-out-or-not-part-out-that-is-the-question/28882)
**Author:** [@pnoirot](https://community.electricforum.com/u/pnoirot)\ **Replies:** 4\ **Last updated:** [February 20, 2025, 2:12am UTC](https://community.electricforum.com/t/to-part-out-or-not-part-out-that-is-the-question/28882 "2025-02-20T02:12:59Z")
I have a 2000 E825. I have enjoyed it, but I don’t have time to constantly tinker to keep it running. I am snow bird inTucson and there is no one willing to work on it. It was running really well at the beginning of t… --- ## [2008 GEM es Utility Truck for sale](https://community.electricforum.com/t/2008-gem-es-utility-truck-for-sale/27815)
**Author:** [@Rath1](https://community.electricforum.com/u/Rath1)\ **Replies:** 1\ **Last updated:** [February 19, 2025, 10:45pm UTC](https://community.electricforum.com/t/2008-gem-es-utility-truck-for-sale/27815 "2025-02-19T22:45:47Z")
2008 GEM eS Utility truck for sale. Goes up to 25 mph. Has flashing lights on top, bright headlight bar, and 4 lights on trunk. Located in St. Louis, MO. Asking $6500 please let me know if you have any questions, thank y… --- ## [Rear disc brake conversion](https://community.electricforum.com/t/rear-disc-brake-conversion/24360)
**Author:** [@bundcur](https://community.electricforum.com/u/bundcur)\ **Replies:** 17\ **Last updated:** [February 19, 2025, 10:44pm UTC](https://community.electricforum.com/t/rear-disc-brake-conversion/24360 "2025-02-19T22:44:34Z")
Well the day finally came and the rear drums finally bit the dust. I had an old this break kit laying around so it’s a little engineering and a little info from some other members here’s what I came up with. Sorry for t… --- ## [The ultimate deep cycle battery information](https://community.electricforum.com/t/the-ultimate-deep-cycle-battery-information/28891)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 0\ **Last updated:** [February 18, 2025, 3:57am UTC](https://community.electricforum.com/t/the-ultimate-deep-cycle-battery-information/28891 "2025-02-18T03:57:29Z")
--- ## [How to make A Gem go faster](https://community.electricforum.com/t/how-to-make-a-gem-go-faster/19041)
**Author:** [@LithiumGods](https://community.electricforum.com/u/LithiumGods)\ **Replies:** 23\ **Last updated:** [February 17, 2025, 10:40pm UTC](https://community.electricforum.com/t/how-to-make-a-gem-go-faster/19041 "2025-02-17T22:40:48Z")
This is by far the Number one question I get . I will try to answer this to make it easier to understand . There are 2 parts to make a gem faster . First is the controller . The controller limits top speed to 25mph . … --- ## [Engine vibration](https://community.electricforum.com/t/engine-vibration/28853)
**Author:** [@Bolanger](https://community.electricforum.com/u/Bolanger)\ **Replies:** 8\ **Last updated:** [February 14, 2025, 3:32am UTC](https://community.electricforum.com/t/engine-vibration/28853 "2025-02-14T03:32:23Z")
Remove engine and replaced tach magnet and connection. Replaced the rubber engine shaft spacer. Runs great but if I let off accelerator at 25mph get sort of a vibration noise. I’ll check bolt tightness tomorrow. Any… --- ## [Shock Rebuilding](https://community.electricforum.com/t/shock-rebuilding/27867)
**Author:** [@MustangJim1](https://community.electricforum.com/u/MustangJim1)\ **Replies:** 17\ **Last updated:** [February 10, 2025, 5:40pm UTC](https://community.electricforum.com/t/shock-rebuilding/27867 "2025-02-10T17:40:07Z")
Has anyone rebuilt the shocks on a GEM or sent them out to a rebuilding service? I have a lot of services like that around me, was wondering if it is worth it. --- ## [Publish GEM Settings](https://community.electricforum.com/t/publish-gem-settings/20987)
**Author:** [@hadawayj](https://community.electricforum.com/u/hadawayj)\ **Replies:** 9\ **Last updated:** [February 6, 2025, 4:50pm UTC](https://community.electricforum.com/t/publish-gem-settings/20987 "2025-02-06T16:50:52Z")
Can someone publish the codes and proper settings that come up on the display when using the turn signal and mileage reset switch. Also what each does and is used for. --- ## [Real noisy after gear change](https://community.electricforum.com/t/real-noisy-after-gear-change/28623)
**Author:** [@Pythan](https://community.electricforum.com/u/Pythan)\ **Replies:** 76\ **Last updated:** [February 4, 2025, 7:23pm UTC](https://community.electricforum.com/t/real-noisy-after-gear-change/28623 "2025-02-04T19:23:10Z")
Yesterday we changed out the 10:1 for a 15:1 gear set. I put SAE 5-30 in the box and boy is it noisy! I have a few questions for you guys that have done gear changes. Will the noise come down with wear? If so, how m… --- ## [2010 gem car accelerator pedal issues](https://community.electricforum.com/t/2010-gem-car-accelerator-pedal-issues/28410)
**Author:** [@Mjui123](https://community.electricforum.com/u/Mjui123)\ **Replies:** 17\ **Last updated:** [February 3, 2025, 3:21am UTC](https://community.electricforum.com/t/2010-gem-car-accelerator-pedal-issues/28410 "2025-02-03T03:21:56Z")
Hi my 2010 gem car has been having issues with the accelerator pedal where only one spot in the pedal will allow you to go full speed, I’ve tried looking into options on new pedals but haven’t come up with any good solut… --- ## [Delta Q charger and batteries LiFePO4](https://community.electricforum.com/t/delta-q-charger-and-batteries-lifepo4/28632)
**Author:** [@Teritary](https://community.electricforum.com/u/Teritary)\ **Replies:** 19\ **Last updated:** [February 2, 2025, 5:21pm UTC](https://community.electricforum.com/t/delta-q-charger-and-batteries-lifepo4/28632 "2025-02-02T17:21:11Z")
Hello, I have a problem with my gem delta q charger because I change the 6 batteries of 12V by 3 LiFePO4 of 24V and I try to reprogram the delta q charger with the algorithm #233 and #266 but none of them works and now m… --- ## [Is this a GEM wanna be?](https://community.electricforum.com/t/is-this-a-gem-wanna-be/28835)
**Author:** [@Pythan](https://community.electricforum.com/u/Pythan)\ **Replies:** 2\ **Last updated:** [January 31, 2025, 9:55pm UTC](https://community.electricforum.com/t/is-this-a-gem-wanna-be/28835 "2025-01-31T21:55:43Z")
--- ## [Bat loTEMP 2018 GEM](https://community.electricforum.com/t/bat-lotemp-2018-gem/28804)
**Author:** [@Cseanard](https://community.electricforum.com/u/Cseanard)\ **Replies:** 16\ **Last updated:** [January 28, 2025, 2:45pm UTC](https://community.electricforum.com/t/bat-lotemp-2018-gem/28804 "2025-01-28T14:45:02Z")
Hi, I am having trouble and am stumped on this one. We have the lithium battery pack in a 2018 GEM E6. The temps got low which is when we started having this problem. The battery pack voltage is around 53, which is ty… --- ## [2002 E825 wont charge.](https://community.electricforum.com/t/2002-e825-wont-charge/28751)
**Author:** [@Greg2](https://community.electricforum.com/u/Greg2)\ **Replies:** 5\ **Last updated:** [January 28, 2025, 2:50am UTC](https://community.electricforum.com/t/2002-e825-wont-charge/28751 "2025-01-28T02:50:23Z")
Hello, I have a 2002 E825. When I plug in the charger, the dash blinks red and I get a two tone beep. It doesnt charge. The batteries all test pretty even with the pack voltage is 72.3 volts. I have unplugged the din pl… --- ## [Lithium pack for sale 2016+](https://community.electricforum.com/t/lithium-pack-for-sale-2016/23752)
**Author:** [@LithiumGods](https://community.electricforum.com/u/LithiumGods)\ **Replies:** 18\ **Last updated:** [January 25, 2025, 11:55pm UTC](https://community.electricforum.com/t/lithium-pack-for-sale-2016/23752 "2025-01-25T23:55:53Z")
2016+ Lithium battery pack for sale. This is the pack I built to do some testing with Dave’s cells. It is a 14s pack that is a drop in for a stock Gem. Built in a waterproof composite case. I should have all testing done… --- ## [2012 GEM e2 dead dash](https://community.electricforum.com/t/2012-gem-e2-dead-dash/28812)
**Author:** [@Deepercreek](https://community.electricforum.com/u/Deepercreek)\ **Replies:** 2\ **Last updated:** [January 25, 2025, 12:21am UTC](https://community.electricforum.com/t/2012-gem-e2-dead-dash/28812 "2025-01-25T00:21:40Z")
Bought used. Ran when parked, batts/ cables corroded. Installed new batts and all new cables complete to the dash. Dash is dead. Checked all fuses and checked voltage, all good. What to check next? I ordered a manu… --- ## [2002 e825 bearing size?](https://community.electricforum.com/t/2002-e825-bearing-size/28754)
**Author:** [@Pythan](https://community.electricforum.com/u/Pythan)\ **Replies:** 8\ **Last updated:** [January 24, 2025, 5:59pm UTC](https://community.electricforum.com/t/2002-e825-bearing-size/28754 "2025-01-24T17:59:39Z")
I have a 2002 e825 4 seater with a 3.5HP GE motor. I believe the original gear ratio is about 10:1, or something like that. Anyway, I am looking for the OD of the bearings on the input shaft and the intermediate shaft … --- ## [2018 GEM e4 battery indicator on dash shows nothing](https://community.electricforum.com/t/2018-gem-e4-battery-indicator-on-dash-shows-nothing/28521)
**Author:** [@gofast67](https://community.electricforum.com/u/gofast67)\ **Replies:** 40\ **Last updated:** [January 19, 2025, 2:04pm UTC](https://community.electricforum.com/t/2018-gem-e4-battery-indicator-on-dash-shows-nothing/28521 "2025-01-19T14:04:18Z")
Good afternoon, I have a GEM e4 2018 model. When I plug the charger in,the light on charger just stays solid green. The indicator on the dash shows an empty battery with the letter C on the left side. Vehicle runs,but so… --- ## [GEM car -- no speedo and flashing lights](https://community.electricforum.com/t/gem-car-no-speedo-and-flashing-lights/3767)
**Author:** [@jd300tt](https://community.electricforum.com/u/jd300tt)\ **Replies:** 2\ **Last updated:** [January 18, 2025, 10:17pm UTC](https://community.electricforum.com/t/gem-car-no-speedo-and-flashing-lights/3767 "2025-01-18T22:17:07Z")
HI all, I have a 2005 Gem car it has no speedometer display, no odometer diaplay, flashing yellow boxes around the directional indicators, flashing turtle light, and a flashing wrench. The cart does run fine in all s… --- ## [2005 GEM E4 Dash is flashing, but works](https://community.electricforum.com/t/2005-gem-e4-dash-is-flashing-but-works/26958)
**Author:** [@m2736185](https://community.electricforum.com/u/m2736185)\ **Replies:** 2\ **Last updated:** [January 18, 2025, 10:03pm UTC](https://community.electricforum.com/t/2005-gem-e4-dash-is-flashing-but-works/26958 "2025-01-18T22:03:38Z")
Ive seen a few post about this, but still can’t figure out a solution. So the GEM initially had an 09 code and was not going into other drive modes other than reverse. I swapped out for a 3 way switch until I could get a… --- ## [AC Motor recommendation](https://community.electricforum.com/t/ac-motor-recommendation/16456)
**Author:** [@in4ni](https://community.electricforum.com/u/in4ni)\ **Replies:** 34\ **Last updated:** [January 17, 2025, 6:30pm UTC](https://community.electricforum.com/t/ac-motor-recommendation/16456 "2025-01-17T18:30:27Z")
I have decided to go ALL OUT on a 2009 e4 . Im looking for a bad ass AC motor, I was considering an HPEVS AC-9 OR AC-12, looks like it might be a tight fit. Are there other AC options out there? Thank you --- ## [40+MPH/Quiet 2016+ Gear Swap](https://community.electricforum.com/t/40-mph-quiet-2016-gear-swap/20762)
**Author:** [@MikeKC](https://community.electricforum.com/u/MikeKC)\ **Replies:** 30\ **Last updated:** [January 16, 2025, 6:46pm UTC](https://community.electricforum.com/t/40-mph-quiet-2016-gear-swap/20762 "2025-01-16T18:46:03Z")
Working with Rodney @Old\_Houseboater on a new project. He posted a little about it a couple months back but here is an update teaser. GOAL: Increase speed of stock 2016+ GEM to 40+ MPH while maintaining reasonable rang… --- ## [Disc brake hub failure](https://community.electricforum.com/t/disc-brake-hub-failure/28719)
**Author:** [@sunol](https://community.electricforum.com/u/sunol)\ **Replies:** 5\ **Last updated:** [January 8, 2025, 1:48am UTC](https://community.electricforum.com/t/disc-brake-hub-failure/28719 "2025-01-08T01:48:26Z")
I did the NEV Accessories disc brake conversion back in June. Been working well until a couple of weeks ago when I started hearing a grinding noise. It sounded like a half-shaft failure (also recently replaced), but when… --- ## [ZIVAN Charger beeping (High then low) when I plug in charger and light on dash blinks](https://community.electricforum.com/t/zivan-charger-beeping-high-then-low-when-i-plug-in-charger-and-light-on-dash-blinks/15691)
**Author:** [@LakeLover2348](https://community.electricforum.com/u/LakeLover2348)\ **Replies:** 30\ **Last updated:** [January 7, 2025, 1:45am UTC](https://community.electricforum.com/t/zivan-charger-beeping-high-then-low-when-i-plug-in-charger-and-light-on-dash-blinks/15691 "2025-01-07T01:45:01Z")
Hello to all, I’m a newbie to this site but have been reading many posts about GEM’s for a while. I just purchased a 2000 E825 4 seater and have been working on charging the batteries and cleaning it up. Many years of … --- ## [Regenerative braking doesn't work](https://community.electricforum.com/t/regenerative-braking-doesnt-work/28702)
**Author:** [@Teritary](https://community.electricforum.com/u/Teritary)\ **Replies:** 3\ **Last updated:** [January 6, 2025, 3:34pm UTC](https://community.electricforum.com/t/regenerative-braking-doesnt-work/28702 "2025-01-06T15:34:51Z")
I have a problem with my GEM elxd of 2011, I have no regenerative braking. I try to put function 19 and 20 to 128 and I have a connection between the pin 12 of the controller and -72V but nothing --- ## [2005 Lithium, putting to "Sleep:"](https://community.electricforum.com/t/2005-lithium-putting-to-sleep/28740)
**Author:** [@BuckeyenDE](https://community.electricforum.com/u/BuckeyenDE)\ **Replies:** 3\ **Last updated:** [January 5, 2025, 3:18pm UTC](https://community.electricforum.com/t/2005-lithium-putting-to-sleep/28740 "2025-01-05T15:18:40Z")
I have moved my 2005 to a storage facility for about 3 months and was told I could put the battery to sleep with the app, but I cannot get pass the PW to open the “control” I forget the PW to get into the Control menu, … --- ## [Same battery keeps dying](https://community.electricforum.com/t/same-battery-keeps-dying/28738)
**Author:** [@Norcalgem](https://community.electricforum.com/u/Norcalgem)\ **Replies:** 11\ **Last updated:** [January 4, 2025, 8:43am UTC](https://community.electricforum.com/t/same-battery-keeps-dying/28738 "2025-01-04T08:43:55Z")
Sorry, posted this in a buried post. Update on my problem- My 2002 Gem has new lead acid batteries and the range is only about 3 miles now. Drives with plenty of power til it gradually slows to 5mph. I have a new RFF mot… --- ## [The Pop up Adds are pretty Anoying](https://community.electricforum.com/t/the-pop-up-adds-are-pretty-anoying/28730)
**Author:** [@grantwest](https://community.electricforum.com/u/grantwest)\ **Replies:** 15\ **Last updated:** [January 2, 2025, 9:52pm UTC](https://community.electricforum.com/t/the-pop-up-adds-are-pretty-anoying/28730 "2025-01-02T21:52:15Z")
I don’t know how it is for you I’m using a I phone.The pop up adds that you have to close to post content/read a thread are pretty annoying, how effective can they really even be? --- ## [Looking for a Temp Sense for Zivan NG1 Charger](https://community.electricforum.com/t/looking-for-a-temp-sense-for-zivan-ng1-charger/28711)
**Author:** [@grantwest](https://community.electricforum.com/u/grantwest)\ **Replies:** 7\ **Last updated:** [January 2, 2025, 8:14pm UTC](https://community.electricforum.com/t/looking-for-a-temp-sense-for-zivan-ng1-charger/28711 "2025-01-02T20:14:07Z")
Hey, I’m looking for a temperature sensor for an old-school Zivan NG1 This is the charger that comes stock in a E825. Anyone have that Temp sence that plugs into the charger and gos down to the battery’s up front --- ## [T-Slots anyone know about them](https://community.electricforum.com/t/t-slots-anyone-know-about-them/28706)
**Author:** [@grantwest](https://community.electricforum.com/u/grantwest)\ **Replies:** 9\ **Last updated:** [December 31, 2024, 11:53pm UTC](https://community.electricforum.com/t/t-slots-anyone-know-about-them/28706 "2024-12-31T23:53:21Z")
This applies to the 2016 + Gems. I’m looking for the 2 different sized plastic trim pieces that fit into slots on the inside of the aluminum roof hoops. Example where the grab handles mount and they run wiring. B4 we go… [Previous page](https://community.electricforum.com/c/gem-forum/101.md?page=8) [Next page](https://community.electricforum.com/c/gem-forum/101.md?page=10)