# GEM Forum **URL:** https://community.electricforum.com/c/gem-forum/101.md?page=22 [Latest](https://community.electricforum.com/latest.md) · [Categories](https://community.electricforum.com/categories.md) · [Tags](https://community.electricforum.com/tags.md) **Page:** 23 --- ## [2015 gem E4 what diff oil?](https://community.electricforum.com/t/2015-gem-e4-what-diff-oil/26679)
**Author:** [@georgevazquez](https://community.electricforum.com/u/georgevazquez)\ **Replies:** 2\ **Last updated:** [July 11, 2023, 12:43am UTC](https://community.electricforum.com/t/2015-gem-e4-what-diff-oil/26679 "2023-07-11T00:43:07Z")
everyone has something different to say from you tube to a general search --- ## [Gem car has no power across the contactor](https://community.electricforum.com/t/gem-car-has-no-power-across-the-contactor/25869)
**Author:** [@Sparkie](https://community.electricforum.com/u/Sparkie)\ **Replies:** 27\ **Last updated:** [July 9, 2023, 9:53pm UTC](https://community.electricforum.com/t/gem-car-has-no-power-across-the-contactor/25869 "2023-07-09T21:53:55Z")
Have a 2014 gem car 2 passenger. I was driving it and it just stopped. It use to beep when parking brake was left on, now no beep. No codes! I didnt have a click to the solenoid till i bypassed the micro switch on brake… --- ## [Vehicle Fault Codes](https://community.electricforum.com/t/vehicle-fault-codes/26665)
**Author:** [@Charlie7](https://community.electricforum.com/u/Charlie7)\ **Replies:** 6\ **Last updated:** [July 8, 2023, 6:26pm UTC](https://community.electricforum.com/t/vehicle-fault-codes/26665 "2023-07-08T18:26:18Z")
Hello, I have a 2020 Gem E2 that displays a Vehicle Fault (Triangle with exclamation point inside) When I scroll through I get to the Vehicle Fault Screen (Wrench Symbol is illuminated). When I hold down the mode butt… --- ## [Armature Testing?](https://community.electricforum.com/t/armature-testing/26638)
**Author:** [@DougK](https://community.electricforum.com/u/DougK)\ **Replies:** 9\ **Last updated:** [July 7, 2023, 8:41am UTC](https://community.electricforum.com/t/armature-testing/26638 "2023-07-07T08:41:47Z")
I’ve had some issues with my 2001 GEM lately (D&D 7.5HP motor) where the car is running very rough, particularly during acceleration. Instead of a smooth acceleration the motor seems to suddenly slow (almost stop) then … --- ## [Gem car 7.0 dash issues](https://community.electricforum.com/t/gem-car-7-0-dash-issues/26618)
**Author:** [@gofast67](https://community.electricforum.com/u/gofast67)\ **Replies:** 27\ **Last updated:** [July 6, 2023, 4:00pm UTC](https://community.electricforum.com/t/gem-car-7-0-dash-issues/26618 "2023-07-06T16:00:33Z")
Hello all,I am working on a gem car. Put new gel batteries in it today,and pack voltage shows 76.2. The battery indicator on the dash show the car is completely dead. How do I fix this issue? --- ## [2018 e4 Rear Bench Seat Install](https://community.electricforum.com/t/2018-e4-rear-bench-seat-install/26341)
**Author:** [@ckinsey](https://community.electricforum.com/u/ckinsey)\ **Replies:** 5\ **Last updated:** [July 6, 2023, 6:44am UTC](https://community.electricforum.com/t/2018-e4-rear-bench-seat-install/26341 "2023-07-06T06:44:57Z")
I haven’t seen a lot of posts about rear bench seats so I wanted share some pictures. I’m sure there’s a better solution, but this is how I did mine about a year ago. Seat used: Part Number: G1-4000-CDN+G1-4507 Addit… --- ## [Gem E4 in Italy](https://community.electricforum.com/t/gem-e4-in-italy/26641)
**Author:** [@grantwest](https://community.electricforum.com/u/grantwest)\ **Replies:** 0\ **Last updated:** [July 3, 2023, 4:25pm UTC](https://community.electricforum.com/t/gem-e4-in-italy/26641 "2023-07-03T16:25:03Z")
My buddy is in Italiy right now and spotted this E4 in a place called “Piazza del Popolo” --- ## [2001 e4 - Headlights not working](https://community.electricforum.com/t/2001-e4-headlights-not-working/26635)
**Author:** [@mdknapp](https://community.electricforum.com/u/mdknapp)\ **Replies:** 1\ **Last updated:** [July 2, 2023, 2:50am UTC](https://community.electricforum.com/t/2001-e4-headlights-not-working/26635 "2023-07-02T02:50:22Z")
Hi all… I have a 2001 e4 and the headlights haven’t worked for a while. The fuse is fine, and I just replaced the switch. That didn’t help. Does anyone know where another failure point might be? The taillights don’t work… --- ## [99 gem blows 7.5 fuse to accessory](https://community.electricforum.com/t/99-gem-blows-7-5-fuse-to-accessory/26629)
**Author:** [@parkplace1](https://community.electricforum.com/u/parkplace1)\ **Replies:** 2\ **Last updated:** [July 1, 2023, 3:04pm UTC](https://community.electricforum.com/t/99-gem-blows-7-5-fuse-to-accessory/26629 "2023-07-01T15:04:43Z")
I have a 99 Gem e825 that has no power to lights, horn, wipers. Drives fine, just won’t hold a fuse. it is the 7.5 on the right lower dash. also has a 10 under it that is fine. Any ideas? --- ## [2016-2022 Gem OEM Accessories](https://community.electricforum.com/t/2016-2022-gem-oem-accessories/26625)
**Author:** [@2018GemE2](https://community.electricforum.com/u/2018GemE2)\ **Replies:** 2\ **Last updated:** [June 30, 2023, 6:24pm UTC](https://community.electricforum.com/t/2016-2022-gem-oem-accessories/26625 "2023-06-30T18:24:40Z")
Hello all, Can anyone recommend where I can find OEM accessories besides the local dealer? I am looking for an OEM cupholder and Underseat storage for a 2018 Gem. (See pics). Thanks! --- ## [2002 gem 4 seater lithium converstion](https://community.electricforum.com/t/2002-gem-4-seater-lithium-converstion/24738)
**Author:** [@Highflyingfun](https://community.electricforum.com/u/Highflyingfun)\ **Replies:** 12\ **Last updated:** [June 29, 2023, 3:35am UTC](https://community.electricforum.com/t/2002-gem-4-seater-lithium-converstion/24738 "2023-06-29T03:35:49Z")
I have a 2002 gem four-seater and would like to convert it to lithium batteries. Does anyone have a step-by-step how to guide to help me with this process? --- ## [2002 Front Passenger Side Drive Shaft](https://community.electricforum.com/t/2002-front-passenger-side-drive-shaft/26438)
**Author:** [@BeachCellars](https://community.electricforum.com/u/BeachCellars)\ **Replies:** 2\ **Last updated:** [June 29, 2023, 3:18am UTC](https://community.electricforum.com/t/2002-front-passenger-side-drive-shaft/26438 "2023-06-29T03:18:45Z")
I Need a front passenger side drive shaft for a 2002 E825. Any sources for one on the cost effective side? Thanks. --- ## [When will GEM follow the rest](https://community.electricforum.com/t/when-will-gem-follow-the-rest/26605)
**Author:** [@dougl](https://community.electricforum.com/u/dougl)\ **Replies:** 3\ **Last updated:** [June 26, 2023, 11:28pm UTC](https://community.electricforum.com/t/when-will-gem-follow-the-rest/26605 "2023-06-26T23:28:46Z")
I keep looking but I don’t see anything yet. First it was Aptera, then Ford, then GM and now Rivian. I wonder when GEM will announce they are moving from J1772 to NACS? LOL Regardless, not doubt Dave will beat them to … --- ## [Cores wanted motors and pedals](https://community.electricforum.com/t/cores-wanted-motors-and-pedals/26601)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 0\ **Last updated:** [June 25, 2023, 9:21pm UTC](https://community.electricforum.com/t/cores-wanted-motors-and-pedals/26601 "2023-06-25T21:21:32Z")
Need motor cores for my business also late model pedals rodneyadiehl@aol.com --- ## [2017 E4. Charger trips breaker](https://community.electricforum.com/t/2017-e4-charger-trips-breaker/26595)
**Author:** [@WMCC](https://community.electricforum.com/u/WMCC)\ **Replies:** 4\ **Last updated:** [June 25, 2023, 2:46am UTC](https://community.electricforum.com/t/2017-e4-charger-trips-breaker/26595 "2023-06-25T02:46:46Z")
Charger tripped breaker when plugged in. Tried different cords and circuits and it would charge at times for a few minutes before tripping. Sometimes instant. Took hood off to check charger nothing obvious so I tried i… --- ## [E Brake wire placement](https://community.electricforum.com/t/e-brake-wire-placement/26597)
**Author:** [@jblove27](https://community.electricforum.com/u/jblove27)\ **Replies:** 2\ **Last updated:** [June 25, 2023, 2:29am UTC](https://community.electricforum.com/t/e-brake-wire-placement/26597 "2023-06-25T02:29:31Z")
I was replacing the microchip on the emergency brake on my 2002 gem and got distracted and now cannot remember which color wire connects where. There is white, green and yellow. Does anyone know which goes where? --- ## [Factory Controller Settings (Functions) for 7.5HP motor](https://community.electricforum.com/t/factory-controller-settings-functions-for-7-5hp-motor/26579)
**Author:** [@ilov2xlr8](https://community.electricforum.com/u/ilov2xlr8)\ **Replies:** 5\ **Last updated:** [June 23, 2023, 2:51am UTC](https://community.electricforum.com/t/factory-controller-settings-functions-for-7-5hp-motor/26579 "2023-06-23T02:51:26Z")
Can someone please share their factory motor controller functions parameters for a cart with 7.5HP motor by Advanced Motors like the ones found in 2015 GEM 4 seater? --- ## [Delta QuiQ issue on lithium after low voltage shutdown](https://community.electricforum.com/t/delta-quiq-issue-on-lithium-after-low-voltage-shutdown/26554)
**Author:** [@bnez](https://community.electricforum.com/u/bnez)\ **Replies:** 6\ **Last updated:** [June 22, 2023, 4:22pm UTC](https://community.electricforum.com/t/delta-quiq-issue-on-lithium-after-low-voltage-shutdown/26554 "2023-06-22T16:22:52Z")
Running a 2012 e825 with a lithium pack from @LithiumGods. The cart shut off on us the other night while driving. Checked the battery and we were down at 66V. Gem showed wrench and error code 15 on screen. Plugged in car… --- ## [How to tell the version of the differential](https://community.electricforum.com/t/how-to-tell-the-version-of-the-differential/26580)
**Author:** [@ilov2xlr8](https://community.electricforum.com/u/ilov2xlr8)\ **Replies:** 6\ **Last updated:** [June 21, 2023, 10:20pm UTC](https://community.electricforum.com/t/how-to-tell-the-version-of-the-differential/26580 "2023-06-21T22:20:10Z")
Is there a way to tell what gear ratio differential you have if there is no sticker on it? --- ## [2008 E4 Factory Programming Settings](https://community.electricforum.com/t/2008-e4-factory-programming-settings/26542)
**Author:** [@JandM723](https://community.electricforum.com/u/JandM723)\ **Replies:** 23\ **Last updated:** [June 21, 2023, 12:00am UTC](https://community.electricforum.com/t/2008-e4-factory-programming-settings/26542 "2023-06-21T00:00:16Z")
Hi! We just got a 2008 E4 and has been previously modified and re-programmed. The current settings are just fine with one person in it but it over-heats too easily with passengers. We are looking for the factory paramete… --- ## [Complete Installation of EPS on a Manuel Steering GEM. Digital Wrench not required](https://community.electricforum.com/t/complete-installation-of-eps-on-a-manuel-steering-gem-digital-wrench-not-required/26520)
**Author:** [@js9354](https://community.electricforum.com/u/js9354)\ **Replies:** 7\ **Last updated:** [June 17, 2023, 6:15pm UTC](https://community.electricforum.com/t/complete-installation-of-eps-on-a-manuel-steering-gem-digital-wrench-not-required/26520 "2023-06-17T18:15:43Z")
The EPS on Polaris GEMS work extremely well. It is a must for wider wheels and tires which have to be wrestled with to turn at rest even on newer GEMS. Some of you are aware that years ago there was a EPS Installation K… --- ## [Delta Q Quiq charger Algorithm help 2018 E2](https://community.electricforum.com/t/delta-q-quiq-charger-algorithm-help-2018-e2/26537)
**Author:** [@2018GemE2](https://community.electricforum.com/u/2018GemE2)\ **Replies:** 14\ **Last updated:** [June 16, 2023, 10:28pm UTC](https://community.electricforum.com/t/delta-q-quiq-charger-algorithm-help-2018-e2/26537 "2023-06-16T22:28:02Z")
Hello, I recently purchased a 2018 E2 and installed new AGM batteries. I noticed the default Delta Q Algorithm was for Gel batteries so I purchased the Delta Q programming kit and installed algorithm #42 for AGM batteri… --- ## [2000 GEM speed sensor bolt size](https://community.electricforum.com/t/2000-gem-speed-sensor-bolt-size/26506)
**Author:** [@Po6ept](https://community.electricforum.com/u/Po6ept)\ **Replies:** 10\ **Last updated:** [June 15, 2023, 5:31pm UTC](https://community.electricforum.com/t/2000-gem-speed-sensor-bolt-size/26506 "2023-06-15T17:31:49Z")
The bolt backed out of the speed sensor magnet, mangling both the bolt and the magnet. I have a spare sensor and magnet, but I need to re-tap the motor shaft because the threads are ruined. The bolt has more threads than… --- ## [Best Place to Buy Factory Gem Parts?](https://community.electricforum.com/t/best-place-to-buy-factory-gem-parts/26494)
**Author:** [@grantwest](https://community.electricforum.com/u/grantwest)\ **Replies:** 5\ **Last updated:** [June 14, 2023, 4:20pm UTC](https://community.electricforum.com/t/best-place-to-buy-factory-gem-parts/26494 "2023-06-14T16:20:08Z")
Hey I’m wondering what’s the best place to buy factory gem parts. My local dealer doesn’t seem to Into selling Gem Car parts. Just wondering if buying from Gem Direct is a option these days --- ## [Won’t move with released](https://community.electricforum.com/t/won-t-move-with-released/25200)
**Author:** [@Colewinston](https://community.electricforum.com/u/Colewinston)\ **Replies:** 37\ **Last updated:** [June 13, 2023, 7:57pm UTC](https://community.electricforum.com/t/won-t-move-with-released/25200 "2023-06-13T19:57:22Z")
Hello. I have a 2009 or 2010Gem 2 seater. Not sure the because I inherited it with less than 200 miles. I’ve used it for 5 or 6 years now, and it has about 700 miles in it now. It has brand new batteries and a new gas pe… --- ## [Dc inverter upgrade pig tail? Or wire splice help](https://community.electricforum.com/t/dc-inverter-upgrade-pig-tail-or-wire-splice-help/26524)
**Author:** [@Dlemorande](https://community.electricforum.com/u/Dlemorande)\ **Replies:** 5\ **Last updated:** [June 13, 2023, 3:41am UTC](https://community.electricforum.com/t/dc-inverter-upgrade-pig-tail-or-wire-splice-help/26524 "2023-06-13T03:41:17Z")
I have a 1999 e825. I realize I should have scrapped this and started over but I am to far in. The cart currently has the old open inverter with a 16 pin main connector as pictured below. I have installed a D&D motor and… --- ## [Newbie Mod Questions](https://community.electricforum.com/t/newbie-mod-questions/26500)
**Author:** [@Trooks](https://community.electricforum.com/u/Trooks)\ **Replies:** 14\ **Last updated:** [June 11, 2023, 8:23am UTC](https://community.electricforum.com/t/newbie-mod-questions/26500 "2023-06-11T08:23:25Z")
Hey guys… New GEM owner here ('22 E6). I’ve enjoyed reading the posts on batteries and performance upgrades. I don’t need anything crazy, but looking for more acceleration/top end speed. Added range is great, but not… --- ## [Relocating Controller](https://community.electricforum.com/t/relocating-controller/26495)
**Author:** [@jblove27](https://community.electricforum.com/u/jblove27)\ **Replies:** 15\ **Last updated:** [June 10, 2023, 9:45am UTC](https://community.electricforum.com/t/relocating-controller/26495 "2023-06-10T09:45:19Z")
Has anyone re-located the controller in a 2002 e4? If so, where? I have repeatedly gotten the -41 error code so picked up a heat sink on ebay to see if it helps. My problem is I cannot get the controller and heat sink … --- ## [Don’t ignore your lithiums](https://community.electricforum.com/t/don-t-ignore-your-lithiums/26461)
**Author:** [@diymatt](https://community.electricforum.com/u/diymatt)\ **Replies:** 16\ **Last updated:** [June 9, 2023, 11:45pm UTC](https://community.electricforum.com/t/don-t-ignore-your-lithiums/26461 "2023-06-09T23:45:31Z")
I had a solid 2005 with a 96v upgrade and an a/c motor conversion. Very trick and comically fast. I was the first in my neighborhood to register and legally use a gem as an LSV. Life and family came at me hard the … --- ## [2009 Gem E4 electronic display issue ](https://community.electricforum.com/t/2009-gem-e4-electronic-display-issue/26486)
**Author:** [@Valtamirano](https://community.electricforum.com/u/Valtamirano)\ **Replies:** 8\ **Last updated:** [June 6, 2023, 1:35am UTC](https://community.electricforum.com/t/2009-gem-e4-electronic-display-issue/26486 "2023-06-06T01:35:56Z")
I have a 2009 Gem car and I am having an issue with the digital display. Display will not read the 10’s position when running. I starts at 1 mph, 2,3,4,5,6,7,8,9 then back to 1. This does not affect the drive ability of … [Previous page](https://community.electricforum.com/c/gem-forum/101.md?page=21) [Next page](https://community.electricforum.com/c/gem-forum/101.md?page=23)