# Technical Discussions **URL:** https://community.electricforum.com/c/general-technical-discussions/62.md?page=1 [Latest](https://community.electricforum.com/latest.md) · [Categories](https://community.electricforum.com/categories.md) · [Tags](https://community.electricforum.com/tags.md) **Page:** 2 --- ## [GM tech2 for opel programming](https://community.electricforum.com/t/gm-tech2-for-opel-programming/3022)
**Author:** [@billlikecar](https://community.electricforum.com/u/billlikecar)\ **Replies:** 1\ **Last updated:** [February 11, 2019, 12:57pm UTC](https://community.electricforum.com/t/gm-tech2-for-opel-programming/3022 "2019-02-11T12:57:38Z")
our workshop recently get one diagnostic device GM tech2, fortunately it has softwares,GM,OPEL,SAAB,ISUZU,SUZUK,Holden Everything seems perfect,one tools with types softwares and price is good :rolleyes: see this ,real… --- ## [Regenerative charging and life on a hill](https://community.electricforum.com/t/regenerative-charging-and-life-on-a-hill/6086)
**Author:** [@ElaisaKasan](https://community.electricforum.com/u/ElaisaKasan)\ **Replies:** 4\ **Last updated:** [February 6, 2019, 1:41am UTC](https://community.electricforum.com/t/regenerative-charging-and-life-on-a-hill/6086 "2019-02-06T01:41:10Z")
Let’s say your home, work, shopping, and entertainment destinations are all located at some point along a more or less straight sloping road. Let’s say the slope is a generally monotonic 10% grade more or less. The dista… --- ## [dryer keeps on getting trip](https://community.electricforum.com/t/dryer-keeps-on-getting-trip/14799)
**Author:** [@RaphaelDowney](https://community.electricforum.com/u/RaphaelDowney)\ **Replies:** 1\ **Last updated:** [October 26, 2018, 10:30pm UTC](https://community.electricforum.com/t/dryer-keeps-on-getting-trip/14799 "2018-10-26T22:30:50Z")
Hi guys, I have a question for you. GE dryer at a friends house randomly trips. Could be running, could be stopped. But it only happens in the spring to summer months when we get the most moisture. I don’t know if moist… --- ## [Help with Windshield Installation 2003 GEM](https://community.electricforum.com/t/help-with-windshield-installation-2003-gem/14747)
**Author:** [@ce\_chief](https://community.electricforum.com/u/ce_chief)\ **Replies:** 0\ **Last updated:** [October 18, 2018, 7:23pm UTC](https://community.electricforum.com/t/help-with-windshield-installation-2003-gem/14747 "2018-10-18T19:23:45Z")
I am ready to install the windshield on my 2003 4 seat GEM. I was able to remove all of the windshield adhesive. The windshield was not in the car when I bought it. The frame that the windshield is attached to has severa… --- ## [Turtle Light on 2015 GEM E6](https://community.electricforum.com/t/turtle-light-on-2015-gem-e6/14246)
**Author:** [@earami](https://community.electricforum.com/u/earami)\ **Replies:** 11\ **Last updated:** [October 8, 2018, 9:50pm UTC](https://community.electricforum.com/t/turtle-light-on-2015-gem-e6/14246 "2018-10-08T21:50:43Z")
2015 GEM E6 with 9x8volt gel batteries the turtle turned on and checked the batteries all have voltage above 8volts. I use the car frequently and batteries take charge every time I place to charge. Any suggestions? --- ## [2002 GEM 12v circuits always work](https://community.electricforum.com/t/2002-gem-12v-circuits-always-work/14399)
**Author:** [@purplegem](https://community.electricforum.com/u/purplegem)\ **Replies:** 3\ **Last updated:** [August 27, 2018, 12:39pm UTC](https://community.electricforum.com/t/2002-gem-12v-circuits-always-work/14399 "2018-08-27T12:39:56Z")
Hi guys. Working on a 2002 GEM. 12v circuits are always usable even with key off. Key switch,converter and timer all new --- ## [2005 GEM e2 Front Hub Bearing](https://community.electricforum.com/t/2005-gem-e2-front-hub-bearing/13934)
**Author:** [@jeff95519](https://community.electricforum.com/u/jeff95519)\ **Replies:** 0\ **Last updated:** [June 21, 2018, 6:56pm UTC](https://community.electricforum.com/t/2005-gem-e2-front-hub-bearing/13934 "2018-06-21T18:56:01Z")
How do you replace the Front Hub Bearing on a 2005 GEM e2. Mine is starting to growl. --- ## [Why is there a popping sound (headphone output) when my audio circuit is turned on](https://community.electricforum.com/t/why-is-there-a-popping-sound-headphone-output-when-my-audio-circuit-is-turned-on/13442)
**Author:** [@Hamey](https://community.electricforum.com/u/Hamey)\ **Replies:** 0\ **Last updated:** [March 16, 2018, 1:56pm UTC](https://community.electricforum.com/t/why-is-there-a-popping-sound-headphone-output-when-my-audio-circuit-is-turned-on/13442 "2018-03-16T13:56:06Z")
I’m using a 3.3V DC-DC boost converter (https://www.torexsemi.com/file/xcl101/XCL101.pdf) as the power source for my audio circuit. There is a popping sound (headphone output) that happens when the circuit is turned on. … --- ## [Anti gear whine](https://community.electricforum.com/t/anti-gear-whine/4411)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 3\ **Last updated:** [February 28, 2018, 1:33am UTC](https://community.electricforum.com/t/anti-gear-whine/4411 "2018-02-28T01:33:23Z")
I have been working for over 2 years to formulate something to reduce gear whine. The current material, that I developed, seems to be working on my GEM. I have 160 miles on it and its still quiet. If your interested… --- ## [activation switch controlling with 5v dc voltage](https://community.electricforum.com/t/activation-switch-controlling-with-5v-dc-voltage/13106)
**Author:** [@alea89](https://community.electricforum.com/u/alea89)\ **Replies:** 5\ **Last updated:** [December 23, 2017, 2:43pm UTC](https://community.electricforum.com/t/activation-switch-controlling-with-5v-dc-voltage/13106 "2017-12-23T14:43:11Z")
Hello,I have basic circuit project and it has a small problem in this project.You can think a basic switch.First,switch in open case.If 5v dc voltage comes to switch,Then,The switch should close.How can i do it?Thanks. --- ## [Reverse power protection relay VS directional relay](https://community.electricforum.com/t/reverse-power-protection-relay-vs-directional-relay/13012)
**Author:** [@ndiayemady](https://community.electricforum.com/u/ndiayemady)\ **Replies:** 0\ **Last updated:** [November 9, 2017, 1:53pm UTC](https://community.electricforum.com/t/reverse-power-protection-relay-vs-directional-relay/13012 "2017-11-09T13:53:24Z")
Hello all I will like to know the difference between reverse power protection relay and directional protection relay we are planning to use one of this type of relay to assure that the power of our inverter will not flo… --- ## [Standard industrial inverter in my EV?](https://community.electricforum.com/t/standard-industrial-inverter-in-my-ev/1176)
**Author:** [@nnvasen](https://community.electricforum.com/u/nnvasen)\ **Replies:** 6\ **Last updated:** [October 14, 2017, 11:23am UTC](https://community.electricforum.com/t/standard-industrial-inverter-in-my-ev/1176 "2017-10-14T11:23:06Z")
Hello EV-ers, is there anybody that tried to put for example an ABB inverter in an EV with the batteries connected to the DC bus of this inverter? I had the problem that my inverter broke down and service was far. I co… --- ## [MM Hard field data](https://community.electricforum.com/t/mm-hard-field-data/6403)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 21\ **Last updated:** [October 2, 2017, 9:42pm UTC](https://community.electricforum.com/t/mm-hard-field-data/6403 "2017-10-02T21:42:19Z")
I am starting this thread for FIELD EXPERIENCE ONLY. As many of you know I have one of Dave's 4 dip switch do anything super duper MM's. I use it to evaluate different setups with various motors, gearbox ratios, prog… --- ## [Self-balancing and induction rechargeable battery](https://community.electricforum.com/t/self-balancing-and-induction-rechargeable-battery/11969)
**Author:** [@Marco92](https://community.electricforum.com/u/Marco92)\ **Replies:** 0\ **Last updated:** [January 23, 2017, 2:23pm UTC](https://community.electricforum.com/t/self-balancing-and-induction-rechargeable-battery/11969 "2017-01-23T14:23:10Z")
Good morning, I need some information about two topics. 1) how can i keep a cylindrical object in static equilibrium using some self-belancing mechanism? 2) where and how can i find or create an induction charging … --- ## [Self-balancing and induction rechargeable battery](https://community.electricforum.com/t/self-balancing-and-induction-rechargeable-battery/11968)
**Author:** [@Marco92](https://community.electricforum.com/u/Marco92)\ **Replies:** 0\ **Last updated:** [January 23, 2017, 2:23pm UTC](https://community.electricforum.com/t/self-balancing-and-induction-rechargeable-battery/11968 "2017-01-23T14:23:08Z")
Good morning, I need some information about two topics. 1) how can i keep a cylindrical object in static equilibrium using some self-belancing mechanism? 2) where and how can i find or to create a high power induct… --- ## [How do you adjust a 2015 steering wheel](https://community.electricforum.com/t/how-do-you-adjust-a-2015-steering-wheel/11834)
**Author:** [@cfree3](https://community.electricforum.com/u/cfree3)\ **Replies:** 1\ **Last updated:** [December 28, 2016, 3:48am UTC](https://community.electricforum.com/t/how-do-you-adjust-a-2015-steering-wheel/11834 "2016-12-28T03:48:50Z")
How do you adjust a steering wheel on 2015 GEM? --- ## [Front end alignment](https://community.electricforum.com/t/front-end-alignment/6527)
**Author:** [@Als\_gem\_cart](https://community.electricforum.com/u/Als_gem_cart)\ **Replies:** 3\ **Last updated:** [December 13, 2016, 11:09am UTC](https://community.electricforum.com/t/front-end-alignment/6527 "2016-12-13T11:09:59Z")
Just installed a rebuilt steering rack. Now I need to align the front end. Any help . --- ## [Gps speedometer](https://community.electricforum.com/t/gps-speedometer/6392)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 3\ **Last updated:** [November 16, 2016, 4:27am UTC](https://community.electricforum.com/t/gps-speedometer/6392 "2016-11-16T04:27:21Z")
Got one, works good, 28 bucks on Ebay Rodney --- ## [1/10th scale EV power controller](https://community.electricforum.com/t/1-10th-scale-ev-power-controller/6471)
**Author:** [@rmb12172](https://community.electricforum.com/u/rmb12172)\ **Replies:** 3\ **Last updated:** [November 14, 2016, 11:58am UTC](https://community.electricforum.com/t/1-10th-scale-ev-power-controller/6471 "2016-11-14T11:58:02Z")
Hi everyone, I'm currently doing my masters project in Engineering and came here to ask for advice. We are building a 1/10th scale low emissions vehicle, and the route we have chosen to go is an EV. We are going t… --- ## [Hybrid Vehicle 3 phase AC power export](https://community.electricforum.com/t/hybrid-vehicle-3-phase-ac-power-export/6436)
**Author:** [@RedefinePL](https://community.electricforum.com/u/RedefinePL)\ **Replies:** 3\ **Last updated:** [October 24, 2016, 5:12pm UTC](https://community.electricforum.com/t/hybrid-vehicle-3-phase-ac-power-export/6436 "2016-10-24T17:12:29Z")
Good afternoon. I'm looking for ways to export 3 phase alternating current out of hybrid vehicle. Didn't find anything online about this(googled hard). Is it possible? If YES. How to do it? How much power(voltage, amps)… --- ## [2002 Gem 825 0652 code](https://community.electricforum.com/t/2002-gem-825-0652-code/6431)
**Author:** [@pete](https://community.electricforum.com/u/pete)\ **Replies:** 1\ **Last updated:** [October 21, 2016, 12:24pm UTC](https://community.electricforum.com/t/2002-gem-825-0652-code/6431 "2016-10-21T12:24:09Z")
trying to bring 2002 Gem back to life, new batteries, display shows 0000 then 0652 and goes out. no other electrical response from anything, ie horn, lights, signals, motor, fuses test good. never seen it run. thanks --- ## [No brake lights on my 2000 E825](https://community.electricforum.com/t/no-brake-lights-on-my-2000-e825/6427)
**Author:** [@Als\_gem\_cart](https://community.electricforum.com/u/Als_gem_cart)\ **Replies:** 2\ **Last updated:** [October 20, 2016, 9:50am UTC](https://community.electricforum.com/t/no-brake-lights-on-my-2000-e825/6427 "2016-10-20T09:50:14Z")
I have turn signals, running lights but no brake lights. I checked both brake switches and had continuity at both of them. Any help would be appreciated. Thanks Al. --- ## [Headlight aiming](https://community.electricforum.com/t/headlight-aiming/6419)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 0\ **Last updated:** [October 14, 2016, 4:25am UTC](https://community.electricforum.com/t/headlight-aiming/6419 "2016-10-14T04:25:27Z")
GEM owners complain of inadequate lighting. Try this: Aim the right headlight higher so it shines further down the road. Report back after you try it. Rodney --- ## [Seasonal Storage](https://community.electricforum.com/t/seasonal-storage/6241)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 0\ **Last updated:** [July 21, 2016, 6:15am UTC](https://community.electricforum.com/t/seasonal-storage/6241 "2016-07-21T06:15:34Z")
Many of our members use their GEM's only part of the year and store them from 3 to 9 months. Some people use timers, neighbors, etc to keep their battery's charged. Others leave the battery's go dead and damage them. H… --- ## [23 pin plug instructions](https://community.electricforum.com/t/23-pin-plug-instructions/6239)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 2\ **Last updated:** [July 20, 2016, 7:50pm UTC](https://community.electricforum.com/t/23-pin-plug-instructions/6239 "2016-07-20T19:50:12Z")
The information in this PFD is IMPORTANT to GEM owners. WHY: The hobbyist owner is getting more and more involved in activities that require working with the 23 pin plug on the top of the controller. This is an expensi… --- ## [Will an electric car run differently in hot and cold weather?](https://community.electricforum.com/t/will-an-electric-car-run-differently-in-hot-and-cold-weather/5307)
**Author:** [@Greendriver](https://community.electricforum.com/u/Greendriver)\ **Replies:** 12\ **Last updated:** [June 29, 2016, 3:16pm UTC](https://community.electricforum.com/t/will-an-electric-car-run-differently-in-hot-and-cold-weather/5307 "2016-06-29T15:16:14Z")
I have read that journey capacity of electric vehicles can depend upon the weather, is this correct? --- ## [Wires under the dash](https://community.electricforum.com/t/wires-under-the-dash/6122)
**Author:** [@lowandratty](https://community.electricforum.com/u/lowandratty)\ **Replies:** 1\ **Last updated:** [June 8, 2016, 7:48am UTC](https://community.electricforum.com/t/wires-under-the-dash/6122 "2016-06-08T07:48:42Z")
I just picked my 02 2 seater up and it has some light problems, so I pulled the dash up and removed the lower dash, hanging down under the lower section it had 2 wires not hooked to anything, a black one that tees off to… --- ## [T3 thread](https://community.electricforum.com/t/t3-thread/6041)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 2\ **Last updated:** [May 10, 2016, 4:28pm UTC](https://community.electricforum.com/t/t3-thread/6041 "2016-05-10T16:28:04Z")
A couple of us are trying to pep up our T3 carts. 29 MPH seems to be the wall. My cart is a 2005 with 10.35 gearbox and 22 inch tires. Best effort so far has been 32 MPH with 2 pole magnet. Talked to Ride For Fun a… --- ## [Need Direction](https://community.electricforum.com/t/need-direction/6025)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 2\ **Last updated:** [May 8, 2016, 7:30pm UTC](https://community.electricforum.com/t/need-direction/6025 "2016-05-08T19:30:12Z")
T1 controller BDI Indicates faster discharge than actual. (2x) Function 14 set at 5. What # should I try next? Rodney --- ## [Message for MEL](https://community.electricforum.com/t/message-for-mel/5890)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 0\ **Last updated:** [March 30, 2016, 1:44pm UTC](https://community.electricforum.com/t/message-for-mel/5890 "2016-03-30T13:44:03Z")
Lost your PM Mel Anyhow go here. There is a parts list the 6th post down http://www.electricforum.com/cars/gem-cars-nevs-forum/9967-ammeter.html Rodney [Previous page](https://community.electricforum.com/c/general-technical-discussions/62.md) [Next page](https://community.electricforum.com/c/general-technical-discussions/62.md?page=2)