# GEM Forum **URL:** https://community.electricforum.com/c/gem-forum/101.md?page=34 [Latest](https://community.electricforum.com/latest.md) · [Categories](https://community.electricforum.com/categories.md) · [Tags](https://community.electricforum.com/tags.md) **Page:** 35 --- ## [Error 16, but Isn't?](https://community.electricforum.com/t/error-16-but-isnt/24128)
**Author:** [@jbcrew](https://community.electricforum.com/u/jbcrew)\ **Replies:** 67\ **Last updated:** [June 17, 2022, 10:21pm UTC](https://community.electricforum.com/t/error-16-but-isnt/24128 "2022-06-17T22:21:32Z")
07 E4, 96v lithium, -12v diode, AMD 7.5 motor. Showing about 87v remaining. Casually driving for 20~ min in DL yesterday and lost power. Flat road, no bumps or potholes. Coasted to a stop, turned the key off, back on and… --- ## [Upgrading to Lithium? Get $$ for your old lead](https://community.electricforum.com/t/upgrading-to-lithium-get-for-your-old-lead/24477)
**Author:** [@dougl](https://community.electricforum.com/u/dougl)\ **Replies:** 1\ **Last updated:** [June 16, 2022, 10:22pm UTC](https://community.electricforum.com/t/upgrading-to-lithium-get-for-your-old-lead/24477 "2022-06-16T22:22:29Z")
I had not only 6 deep cycle lead acid batteries but also 2 6v deep cycle, 2 35Ahr wheelchair batteries and 8 12Ahr lawnmower batteries. The local Interstate Battery location said they’d give me $8ea for ‘car’ batteries … --- ## [Bolt on fenders Gem E6 2014 Wellnuts: Defect in assembly or manufacturing error?](https://community.electricforum.com/t/bolt-on-fenders-gem-e6-2014-wellnuts-defect-in-assembly-or-manufacturing-error/23644)
**Author:** [@js9354](https://community.electricforum.com/u/js9354)\ **Replies:** 11\ **Last updated:** [June 16, 2022, 12:40am UTC](https://community.electricforum.com/t/bolt-on-fenders-gem-e6-2014-wellnuts-defect-in-assembly-or-manufacturing-error/23644 "2022-06-16T00:40:43Z")
I needed to remove the left fender to rivit the mudflap to the fender. When the 4 bolts were removed the rubber Wellnuts just fell out inside the plastic frame cover. For those of us that use wellnuts you are supposed to… --- ## [2018 Gem E4 for sale](https://community.electricforum.com/t/2018-gem-e4-for-sale/24443)
**Author:** [@js9354](https://community.electricforum.com/u/js9354)\ **Replies:** 3\ **Last updated:** [June 15, 2022, 8:49pm UTC](https://community.electricforum.com/t/2018-gem-e4-for-sale/24443 "2022-06-15T20:49:42Z")
I’m in the process of selling one of my Gems. This has a new extended Gel Battery pack (40+ range) and the full door package. Windows roll down. It was the shuttle for Sharp medical center in San Diego. Decals are off, b… --- ## [Testing a speed sensor](https://community.electricforum.com/t/testing-a-speed-sensor/6420)
**Author:** [@minglis](https://community.electricforum.com/u/minglis)\ **Replies:** 14\ **Last updated:** [June 15, 2022, 6:49pm UTC](https://community.electricforum.com/t/testing-a-speed-sensor/6420 "2022-06-15T18:49:20Z")
I've seen several posts about bad speed sensors. I've found one place that will let you send yours in, they'll test it, then if it's bad, "rebuild" it & send it back for $20. Not a bad deal, but they seem so incredibly… --- ## [Hard door handle](https://community.electricforum.com/t/hard-door-handle/24456)
**Author:** [@CADTIP](https://community.electricforum.com/u/CADTIP)\ **Replies:** 0\ **Last updated:** [June 14, 2022, 2:12am UTC](https://community.electricforum.com/t/hard-door-handle/24456 "2022-06-14T02:12:20Z")
I need a right side outside door handle for a hard door 2008 e2 --- ## [Updating 2001 GEM Controller to Handle Chevy Volt Lithium Batteries](https://community.electricforum.com/t/updating-2001-gem-controller-to-handle-chevy-volt-lithium-batteries/22990)
**Author:** [@pauldivaniii](https://community.electricforum.com/u/pauldivaniii)\ **Replies:** 30\ **Last updated:** [June 13, 2022, 3:12am UTC](https://community.electricforum.com/t/updating-2001-gem-controller-to-handle-chevy-volt-lithium-batteries/22990 "2022-06-13T03:12:24Z")
Last year I restored a 2001 GEM 4 and, in the process, I replaced the 6 lead batteries with two 72 volt Chevy Volt lithium batteries. The problem is the controller cannot be programmed make use of the batteries. The run … --- ## [2017 Project Car](https://community.electricforum.com/t/2017-project-car/17612)
**Author:** [@grantwest](https://community.electricforum.com/u/grantwest)\ **Replies:** 201\ **Last updated:** [June 12, 2022, 1:41pm UTC](https://community.electricforum.com/t/2017-project-car/17612 "2022-06-12T13:41:50Z")
So this is the New Project Car. I wanted a car with doors and even though I already have a white 2016. I have decided I’m gonna start on this car. --- ## [Hub Bore, Spacers/Adapters, Bolt patterns, Lug nuts , Aftermarket wheels GEM pre 2016](https://community.electricforum.com/t/hub-bore-spacers-adapters-bolt-patterns-lug-nuts-aftermarket-wheels-gem-pre-2016/23608)
**Author:** [@js9354](https://community.electricforum.com/u/js9354)\ **Replies:** 29\ **Last updated:** [June 12, 2022, 4:27am UTC](https://community.electricforum.com/t/hub-bore-spacers-adapters-bolt-patterns-lug-nuts-aftermarket-wheels-gem-pre-2016/23608 "2022-06-12T04:27:29Z")
I am restoring a 2014 E6 and was impressed with this forum’s recent wheel thread. Aftermarket 16" & 17"rims are a great way to give your cart a custom look. A set of tires/wheels can be had in the $700 range. Seems s… --- ## [2008 GEM e4 needs screws for hard doors](https://community.electricforum.com/t/2008-gem-e4-needs-screws-for-hard-doors/24437)
**Author:** [@dougl](https://community.electricforum.com/u/dougl)\ **Replies:** 4\ **Last updated:** [June 12, 2022, 12:09am UTC](https://community.electricforum.com/t/2008-gem-e4-needs-screws-for-hard-doors/24437 "2022-06-12T00:09:05Z")
Anyone have drawings or specs on the washered screws used to hold the outer and inner halves of hard doors together? The 2008 I just purchases is missing 1-2 dozen of these screws. --- ## [GEM T2 replacement](https://community.electricforum.com/t/gem-t2-replacement/24405)
**Author:** [@davengl](https://community.electricforum.com/u/davengl)\ **Replies:** 2\ **Last updated:** [June 7, 2022, 10:45pm UTC](https://community.electricforum.com/t/gem-t2-replacement/24405 "2022-06-07T22:45:43Z")
I need a T2 controller replacement. I found a 2002 Ford Controller Rev 1. will it work??? --- ## [E81 in my POLARIS GEM E4](https://community.electricforum.com/t/e81-in-my-polaris-gem-e4/24094)
**Author:** [@desarba](https://community.electricforum.com/u/desarba)\ **Replies:** 38\ **Last updated:** [June 7, 2022, 8:48pm UTC](https://community.electricforum.com/t/e81-in-my-polaris-gem-e4/24094 "2022-06-07T20:48:40Z")
Hi everyone, my car is runnig with E81, top speed 25km/h and i replaced de sensor cable and still doing the same. I read the post about the error but nothing similar. I don’t know if the problem is from the controller "… --- ## [02 Gem wiring diagram for steering column](https://community.electricforum.com/t/02-gem-wiring-diagram-for-steering-column/2641)
**Author:** [@ed1](https://community.electricforum.com/u/ed1)\ **Replies:** 35\ **Last updated:** [June 6, 2022, 6:09pm UTC](https://community.electricforum.com/t/02-gem-wiring-diagram-for-steering-column/2641 "2022-06-06T18:09:41Z")
I need the wiring diagram from the steering down to the big plug. Where could I find this? --- ## [8.9 kWh Li-Ion 2022 GEM Not Charging](https://community.electricforum.com/t/8-9-kwh-li-ion-2022-gem-not-charging/24218)
**Author:** [@Democreous](https://community.electricforum.com/u/Democreous)\ **Replies:** 24\ **Last updated:** [June 5, 2022, 1:27pm UTC](https://community.electricforum.com/t/8-9-kwh-li-ion-2022-gem-not-charging/24218 "2022-06-05T13:27:02Z")
Weird issue came up at the end of last summer with my new 2022 GEM Lithium-Ion. It seems that after 200 miles, it is no longer charging. Everything runs normally while driving, but when I plug it in, nothing is indicatin… --- ## [Lithium Lifepo4, cell charger. 3.2v](https://community.electricforum.com/t/lithium-lifepo4-cell-charger-3-2v/24389)
**Author:** [@LithiumGods](https://community.electricforum.com/u/LithiumGods)\ **Replies:** 0\ **Last updated:** [June 4, 2022, 4:39pm UTC](https://community.electricforum.com/t/lithium-lifepo4-cell-charger-3-2v/24389 "2022-06-04T16:39:13Z")
Lithium Lifepo4 charger, single cell 3.2v. These are 20a fully automatic chargers for a LFP(lifepo4) cell. Perfect for balancing cells. !0a is a big charger and they are hard to find. $65 . 10 available --- ## [Getting to know my 2000 Gem](https://community.electricforum.com/t/getting-to-know-my-2000-gem/24377)
**Author:** [@next2pool](https://community.electricforum.com/u/next2pool)\ **Replies:** 5\ **Last updated:** [June 4, 2022, 5:17pm UTC](https://community.electricforum.com/t/getting-to-know-my-2000-gem/24377 "2022-06-04T17:17:20Z")
I have been running my 2000 E2 Gem at my cabin for a couple of months now.It appears to be in stock condition other than what I have done to it. I use it in very hilly terrain in Bisbee AZ. After reading about the negati… --- ## [Chargery BMS problems with my Volt Lithium setup?](https://community.electricforum.com/t/chargery-bms-problems-with-my-volt-lithium-setup/15392)
**Author:** [@TJelecD](https://community.electricforum.com/u/TJelecD)\ **Replies:** 16\ **Last updated:** [June 4, 2022, 4:15am UTC](https://community.electricforum.com/t/chargery-bms-problems-with-my-volt-lithium-setup/15392 "2022-06-04T04:15:57Z")
I have a really long thread here, with some of my build details and problems I ran into, but I felt like it was getting pretty long, so I decided to start a separate thread for this problem. TL;DR of the BMS problems in… --- ## [2009 E4 batteries needed](https://community.electricforum.com/t/2009-e4-batteries-needed/24372)
**Author:** [@txgibson](https://community.electricforum.com/u/txgibson)\ **Replies:** 3\ **Last updated:** [June 3, 2022, 10:59pm UTC](https://community.electricforum.com/t/2009-e4-batteries-needed/24372 "2022-06-03T22:59:40Z")
Hello, I live in Jacksonville Beach and looking for batteries for my 2009 E4. I am having sticker shock and thought I would ask for advice or if anyone has used batteries for sale cheaper. Thanks for your time, --- ## [Suspension and Brake Upgrades for 2011 E2?](https://community.electricforum.com/t/suspension-and-brake-upgrades-for-2011-e2/24349)
**Author:** [@GreenLantern](https://community.electricforum.com/u/GreenLantern)\ **Replies:** 9\ **Last updated:** [June 2, 2022, 4:20pm UTC](https://community.electricforum.com/t/suspension-and-brake-upgrades-for-2011-e2/24349 "2022-06-02T16:20:38Z")
My Gem has disk brakes in front, drum in rear. They are factory stock. My cart now goes an honest 40mph, sometimes a little faster. Obviously the brakes work, but was wondering if I should address upgrading the brakes? W… --- ## [Looking for help on my 2003 e4](https://community.electricforum.com/t/looking-for-help-on-my-2003-e4/24355)
**Author:** [@Jim64](https://community.electricforum.com/u/Jim64)\ **Replies:** 2\ **Last updated:** [June 2, 2022, 2:27pm UTC](https://community.electricforum.com/t/looking-for-help-on-my-2003-e4/24355 "2022-06-02T14:27:14Z")
My 2003 Gem E4 wont go it says -11 when i turn the ignition on an -4 when ignition is off but on the charger. Please help --- ## [Wiring diagram for a new body style](https://community.electricforum.com/t/wiring-diagram-for-a-new-body-style/24348)
**Author:** [@Rosco](https://community.electricforum.com/u/Rosco)\ **Replies:** 0\ **Last updated:** [June 1, 2022, 11:35pm UTC](https://community.electricforum.com/t/wiring-diagram-for-a-new-body-style/24348 "2022-06-01T23:35:05Z")
Does anybody have a wiring diagram for 2016 and up gem cars? --- ## [2008 GEM E4 Sale](https://community.electricforum.com/t/2008-gem-e4-sale/24256)
**Author:** [@flyyellow](https://community.electricforum.com/u/flyyellow)\ **Replies:** 8\ **Last updated:** [June 1, 2022, 7:42pm UTC](https://community.electricforum.com/t/2008-gem-e4-sale/24256 "2022-06-01T19:42:23Z")
So thinking of selling my 2008 GEM E4. It’s a really nice ride and everything works and is in excellent condition. I planned on taking it up to our vacation home, but then we decided we don’t really need it (now that I’… --- ## [Another lithium conversion](https://community.electricforum.com/t/another-lithium-conversion/23523)
**Author:** [@djgabriel2004](https://community.electricforum.com/u/djgabriel2004)\ **Replies:** 44\ **Last updated:** [May 31, 2022, 4:46pm UTC](https://community.electricforum.com/t/another-lithium-conversion/23523 "2022-05-31T16:46:41Z")
Another Lithium conversion for this 2011 E2 with Samsung SDI cells from @Inwo here in soFlo. The owner @GreenLantern shipped the car to me We installed 22S 90v 7.5kWh with Bluetooth and bms here some pics of the inst… --- ## [Delta-Q Charger ? Are 912-7200 & 910-7200 compatible?](https://community.electricforum.com/t/delta-q-charger-are-912-7200-910-7200-compatible/24259)
**Author:** [@SV70](https://community.electricforum.com/u/SV70)\ **Replies:** 4\ **Last updated:** [May 31, 2022, 4:18pm UTC](https://community.electricforum.com/t/delta-q-charger-are-912-7200-910-7200-compatible/24259 "2022-05-31T16:18:01Z")
I need to replace the 912-7200 charger on my '05 Gem & have found a 910-7200 from another '05. Is this a good replacement? From what I have found in a search on the forum here the 910 series may not be programmable? I am… --- ## [Is the consensus that one -66 is the beginning of the end](https://community.electricforum.com/t/is-the-consensus-that-one-66-is-the-beginning-of-the-end/24289)
**Author:** [@dougl](https://community.electricforum.com/u/dougl)\ **Replies:** 27\ **Last updated:** [May 30, 2022, 7:40pm UTC](https://community.electricforum.com/t/is-the-consensus-that-one-66-is-the-beginning-of-the-end/24289 "2022-05-30T19:40:31Z")
I was traveling down a very slight decline and IIRC had just backed off on the throttle and got a -66 on my 2002 e4 with a T2 controller. I immediately moved to the side of the road then cycled power(key ON/OFF) and clea… --- ## [Installing HID xenon headlights on newer GEM?](https://community.electricforum.com/t/installing-hid-xenon-headlights-on-newer-gem/23294)
**Author:** [@JarJarJava](https://community.electricforum.com/u/JarJarJava)\ **Replies:** 28\ **Last updated:** [May 30, 2022, 2:32pm UTC](https://community.electricforum.com/t/installing-hid-xenon-headlights-on-newer-gem/23294 "2022-05-30T14:32:39Z")
I’m considering swapping the halogen headlights out for HID Xenon a 2015 eM1400. Sometimes the HID ballasts don’t play nice on modern car electrical by messing with the canbus data and so on. Having only had the the ve… --- ## [New to Me 2018 e4... having issues](https://community.electricforum.com/t/new-to-me-2018-e4-having-issues/24291)
**Author:** [@ckinsey](https://community.electricforum.com/u/ckinsey)\ **Replies:** 30\ **Last updated:** [May 30, 2022, 2:02pm UTC](https://community.electricforum.com/t/new-to-me-2018-e4-having-issues/24291 "2022-05-30T14:02:03Z")
Hi All, I’m a huge fan of this community and decided to purchase a 2018 e4 on Monday. Long story short I drove around for a few hours on Tuesday with no issues. I drove around yesterday (Wednesday) and started having is… --- ## [Wrapping My 2016](https://community.electricforum.com/t/wrapping-my-2016/23978)
**Author:** [@grantwest](https://community.electricforum.com/u/grantwest)\ **Replies:** 38\ **Last updated:** [May 30, 2022, 2:15am UTC](https://community.electricforum.com/t/wrapping-my-2016/23978 "2022-05-30T02:15:14Z")
Craigs List delivers! I found a great deal on this Matt Finish “Gun Metal Grey”. It looks a bit darker then Gems factory “Matt Finish Grey” Here are some pics of a Factory Matt Grey from gem below This in not my gem … --- ## [Pros-Cons](https://community.electricforum.com/t/pros-cons/4884)
**Author:** [@badfitter](https://community.electricforum.com/u/badfitter)\ **Replies:** 35\ **Last updated:** [May 27, 2022, 6:54pm UTC](https://community.electricforum.com/t/pros-cons/4884 "2022-05-27T18:54:49Z")
I'm looking at a 2002 GEM E825 and would like to know any fundamental pros and cons about it. I know condition wise, things like batteries, wear and tear, tire age, etc, but were there significant changes made that mak… --- ## [Set of batteries for 2016+ Gem. Little use $500](https://community.electricforum.com/t/set-of-batteries-for-2016-gem-little-use-500/24303)
**Author:** [@LithiumGods](https://community.electricforum.com/u/LithiumGods)\ **Replies:** 0\ **Last updated:** [May 27, 2022, 12:44am UTC](https://community.electricforum.com/t/set-of-batteries-for-2016-gem-little-use-500/24303 "2022-05-27T00:44:22Z")
I have a set of Trojan t1275 flooded batteries Removed from a Gem for lithium upgrade. These are the heavy duty Trojan T1275(relabled for Continental) 140ah, 1200 cycle rating. Little use before removal. Set of 4 new on … [Previous page](https://community.electricforum.com/c/gem-forum/101.md?page=33) [Next page](https://community.electricforum.com/c/gem-forum/101.md?page=35)