# Do It Yourself (DIY) **URL:** https://community.electricforum.com/c/electric-vehicle-diy-forum/147.md [Latest](https://community.electricforum.com/latest.md) · [Categories](https://community.electricforum.com/categories.md) · [Tags](https://community.electricforum.com/tags.md) --- ## [Do It Yourself](https://community.electricforum.com/t/do-it-yourself/4574)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 5\ **Last updated:** [September 2, 2021, 3:51pm UTC](https://community.electricforum.com/t/do-it-yourself/4574 "2021-09-02T15:51:34Z")
We have been given this spot for "DIY" articles. To maintain consistancy please put the subject of your submission in the subject line. Your submission may be edited for clarity. If you dissagree with any edits contact… --- ## [Ford Think Neighbor 2002 (1FABP) - Wiring Diagram](https://community.electricforum.com/t/ford-think-neighbor-2002-1fabp-wiring-diagram/16459)
**Author:** [@Jagodas\_das](https://community.electricforum.com/u/Jagodas_das)\ **Replies:** 190\ **Last updated:** [August 19, 2026, 6:19am UTC](https://community.electricforum.com/t/ford-think-neighbor-2002-1fabp-wiring-diagram/16459 "2026-08-19T06:19:48Z")
Hello, Does anyone know where I can get a Wiring Diagram for Ford Think Neighbor 2002? I would be more than pleased if you could help me in that matter. Kasia --- ## [DIY GEM Ignition Switch Replacement (NAPA part)](https://community.electricforum.com/t/diy-gem-ignition-switch-replacement-napa-part/6315)
**Author:** [@blf](https://community.electricforum.com/u/blf)\ **Replies:** 10\ **Last updated:** [December 19, 2025, 4:39am UTC](https://community.electricforum.com/t/diy-gem-ignition-switch-replacement-napa-part/6315 "2025-12-19T04:39:23Z")
I saw the posts here about using a NAPA switch to replace a GEM ignition switch. I did it today on my e4 so I figured I'd share what I learned. I replaced my switch because it was intermittently failing to turn on. Aft… --- ## [Instaling a Samsung SDI ESS in 2002 GEM](https://community.electricforum.com/t/instaling-a-samsung-sdi-ess-in-2002-gem/26695)
**Author:** [@GEMSD](https://community.electricforum.com/u/GEMSD)\ **Replies:** 5\ **Last updated:** [July 17, 2023, 1:32am UTC](https://community.electricforum.com/t/instaling-a-samsung-sdi-ess-in-2002-gem/26695 "2023-07-17T01:32:49Z")
Installing a Samsung SDI ESS in A 2002 GEM in the rear. What do I do with the cables that used to go tp the front batteries?? Also, I am still waiting for my BMS to arrive, can I just plug in the B= an B- and have a li… --- ## [How to remove rear brake drum 2002](https://community.electricforum.com/t/how-to-remove-rear-brake-drum-2002/25254)
**Author:** [@Joegem](https://community.electricforum.com/u/Joegem)\ **Replies:** 9\ **Last updated:** [October 30, 2022, 5:57pm UTC](https://community.electricforum.com/t/how-to-remove-rear-brake-drum-2002/25254 "2022-10-30T17:57:51Z")
2002 GEM car need to remove brake drum on left rear and see why brake is dragging. Need to know how to get drum off. Thanks. --- ## [Group Purchase? Lithium Batteries](https://community.electricforum.com/t/group-purchase-lithium-batteries/408)
**Author:** [@Lectrol](https://community.electricforum.com/u/Lectrol)\ **Replies:** 118\ **Last updated:** [June 12, 2022, 2:19am UTC](https://community.electricforum.com/t/group-purchase-lithium-batteries/408 "2022-06-12T02:19:17Z")
So i found out that there is a lot of money to be saved when purchasing batteries in bulk. So here are the prices of THunder sky batteries are the best for EV conversion... Nominal Nominal Max Discharge Cycle Li… --- ## [DIY Ez Steer installation](https://community.electricforum.com/t/diy-ez-steer-installation/4959)
**Author:** [@grantwest](https://community.electricforum.com/u/grantwest)\ **Replies:** 2\ **Last updated:** [May 4, 2022, 6:39pm UTC](https://community.electricforum.com/t/diy-ez-steer-installation/4959 "2022-05-04T18:39:19Z")
I have a few GEMs most of them are 2002's. I never thought the steering was heavy or hard until I got a 2008 GEM. The steering on that car is 1/2 the effort of my 2002. I decided to get a kit from Rodney they cost $35… --- ## [Nissan Patrol conversion](https://community.electricforum.com/t/nissan-patrol-conversion/19089)
**Author:** [@Lolimpol](https://community.electricforum.com/u/Lolimpol)\ **Replies:** 3\ **Last updated:** [November 7, 2021, 3:14am UTC](https://community.electricforum.com/t/nissan-patrol-conversion/19089 "2021-11-07T03:14:31Z")
Hi, This is my first post here :slight\_smile: Me and my dad want to start an ev conversion on our 1987 Nissan Patrol. We’ve worked out that’s we want to attach a DC motor (not AC) to our gearbox (not AC because it’s c… --- ## [DIY GEM car shock bushings](https://community.electricforum.com/t/diy-gem-car-shock-bushings/4772)
**Author:** [@grantwest](https://community.electricforum.com/u/grantwest)\ **Replies:** 8\ **Last updated:** [September 20, 2021, 8:16pm UTC](https://community.electricforum.com/t/diy-gem-car-shock-bushings/4772 "2021-09-20T20:16:06Z")
Like most older gems my Shock Bushings were toast. My car had sagged due to worn shocks bushings where my camber was even off a bit. Oldhousboater had made up a batch of Bushing replacements. They were only $5 each. Nev… --- ## [How to size electric motors for a 7,000 pound utility vehicle?](https://community.electricforum.com/t/how-to-size-electric-motors-for-a-7-000-pound-utility-vehicle/21990)
**Author:** [@bigbad](https://community.electricforum.com/u/bigbad)\ **Replies:** 2\ **Last updated:** [July 25, 2021, 5:38pm UTC](https://community.electricforum.com/t/how-to-size-electric-motors-for-a-7-000-pound-utility-vehicle/21990 "2021-07-25T17:38:26Z")
This idea is a little past the whimsical stage - now testing with reality. I would like to make a vehicle similar to what is pictures. It was used in WW2 and the Korean War - maybe some time after that. It is basica… --- ## [Troubleshooting tree for a 2002 Gem](https://community.electricforum.com/t/troubleshooting-tree-for-a-2002-gem/21143)
**Author:** [@vreten](https://community.electricforum.com/u/vreten)\ **Replies:** 1\ **Last updated:** [July 5, 2021, 2:02am UTC](https://community.electricforum.com/t/troubleshooting-tree-for-a-2002-gem/21143 "2021-07-05T02:02:34Z")
Is there is separate troubleshooting tree for a 2002 Gem? I do have the Gem Car Repair and Maintenance-Service Manual already. This is a new to me 2002 with some issues. --- ## [Hybrid Engine for Compact Tractor](https://community.electricforum.com/t/hybrid-engine-for-compact-tractor/17705)
**Author:** [@CeccAnd](https://community.electricforum.com/u/CeccAnd)\ **Replies:** 1\ **Last updated:** [May 13, 2021, 4:53pm UTC](https://community.electricforum.com/t/hybrid-engine-for-compact-tractor/17705 "2021-05-13T16:53:04Z")
Hello! I saw here few conversations in the past related to hybrid engines. Is there anyone with experience in the manufacturing of fuel engine to charge a battery? Or any company that you know able to do? Mainly for … --- ## [Lifepo 4 Charger Over Voltage](https://community.electricforum.com/t/lifepo-4-charger-over-voltage/20742)
**Author:** [@hadawayj](https://community.electricforum.com/u/hadawayj)\ **Replies:** 2\ **Last updated:** [January 31, 2021, 5:14pm UTC](https://community.electricforum.com/t/lifepo-4-charger-over-voltage/20742 "2021-01-31T17:14:25Z")
Over Voltage Problem - I built a new Lifepo4 battery pack for my 2015 Gem Car. Using 24, 3.2v, 150Ah cells in series for 72 volts. This is fine but when I started looking for a 72-volt charger for the system I found th… --- ## [220V wire shielding](https://community.electricforum.com/t/220v-wire-shielding/20671)
**Author:** [@q12](https://community.electricforum.com/u/q12)\ **Replies:** 1\ **Last updated:** [January 21, 2021, 1:28am UTC](https://community.electricforum.com/t/220v-wire-shielding/20671 "2021-01-21T01:28:08Z")
I have a board with leds that is driving a relay. When that relay is closing it’s contacts, is actually switching the 220V for the light bulb switch in my room. This board is quite long, like 50cm (half a meter). The rel… --- ## [What 4-pin connector is this? ](https://community.electricforum.com/t/what-4-pin-connector-is-this/20137)
**Author:** [@TheJay](https://community.electricforum.com/u/TheJay)\ **Replies:** 7\ **Last updated:** [November 11, 2020, 3:14pm UTC](https://community.electricforum.com/t/what-4-pin-connector-is-this/20137 "2020-11-11T15:14:26Z")
JST-XHP JST Connector Kit with 2.54mm Female Pin Header The one side looks the same but the other has pins to connect to a PCB. I need ones that enables a crimped cable to be inserted on the male and female parts. Ca… --- ## [How To Connect Power Factor Correction Capacitor?](https://community.electricforum.com/t/how-to-connect-power-factor-correction-capacitor/20124)
**Author:** [@BerkayAglar](https://community.electricforum.com/u/BerkayAglar)\ **Replies:** 0\ **Last updated:** [October 25, 2020, 3:41pm UTC](https://community.electricforum.com/t/how-to-connect-power-factor-correction-capacitor/20124 "2020-10-25T15:41:09Z")
This post usually doesn’t apply to electric vehicles. Its major application is usually industrial where heavy inductive loads are the norm, Good information for a select group of people. Old Houseboater AKA Rodney Mod… --- ## [C frame motor identification ](https://community.electricforum.com/t/c-frame-motor-identification/19968)
**Author:** [@Newguy](https://community.electricforum.com/u/Newguy)\ **Replies:** 0\ **Last updated:** [October 2, 2020, 1:59pm UTC](https://community.electricforum.com/t/c-frame-motor-identification/19968 "2020-10-02T13:59:11Z")
I have a small C frame motor I need to replace but I literally know ZERO about them it is out of a ceiling fan from a travel RV trailer 1970’s. I was hoping someone on here could help me out with some information. --- ## [Potential Conversion Cost](https://community.electricforum.com/t/potential-conversion-cost/19951)
**Author:** [@Harrison](https://community.electricforum.com/u/Harrison)\ **Replies:** 0\ **Last updated:** [September 30, 2020, 10:03am UTC](https://community.electricforum.com/t/potential-conversion-cost/19951 "2020-09-30T10:03:07Z")
Hello, all! I’ve got some questions about a potential Conversion. My favorite car is getting a bit tired. It’s not dead yet, but it’s days may be numbered. I want to convert it using a nissan leaf drivetrain and I want t… --- ## [New user, new project. ](https://community.electricforum.com/t/new-user-new-project/18200)
**Author:** [@BunnaH](https://community.electricforum.com/u/BunnaH)\ **Replies:** 6\ **Last updated:** [April 29, 2020, 8:23am UTC](https://community.electricforum.com/t/new-user-new-project/18200 "2020-04-29T08:23:09Z")
Hey all! I am in the process of my first EV conversion and I thought I’d find a place to get feedback, suggestions, and just generally try to benefit from the wisdom of those who’ve been through the process. I will be c… --- ## [Website for motors](https://community.electricforum.com/t/website-for-motors/911)
**Author:** [@csablack1](https://community.electricforum.com/u/csablack1)\ **Replies:** 5\ **Last updated:** [April 29, 2020, 8:25am UTC](https://community.electricforum.com/t/website-for-motors/911 "2020-04-29T08:25:42Z")
does anyone know of a really good website where i can buy an ac or dc motor? --- ## [Conversion of a Nissan Patrol](https://community.electricforum.com/t/conversion-of-a-nissan-patrol/19384)
**Author:** [@Lolimpol](https://community.electricforum.com/u/Lolimpol)\ **Replies:** 0\ **Last updated:** [July 16, 2020, 2:50pm UTC](https://community.electricforum.com/t/conversion-of-a-nissan-patrol/19384 "2020-07-16T14:50:02Z")
So I’ve made a post here a month ago, but it was a little too specific and we’ve also made some changes in our plans. So let me tell you about it. Our budget is €7000, we initially want a range of 50km (about 30 miles)… --- ## [Help! How to remove steering wheel from 2003 gem E825!](https://community.electricforum.com/t/help-how-to-remove-steering-wheel-from-2003-gem-e825/18664)
**Author:** [@sillyputty](https://community.electricforum.com/u/sillyputty)\ **Replies:** 1\ **Last updated:** [May 30, 2020, 2:01am UTC](https://community.electricforum.com/t/help-how-to-remove-steering-wheel-from-2003-gem-e825/18664 "2020-05-30T02:01:54Z")
I want to put a new steering wheel (broken) on my newly aquired Gem E825. It is so cute! I am fixing it up. Thanks, Sylvia --- ## [Budget ev conversion](https://community.electricforum.com/t/budget-ev-conversion/18870)
**Author:** [@Harrison](https://community.electricforum.com/u/Harrison)\ **Replies:** 1\ **Last updated:** [May 28, 2020, 1:53am UTC](https://community.electricforum.com/t/budget-ev-conversion/18870 "2020-05-28T01:53:56Z")
I know, you guys have probably heard it a hundred times, but I want to convert my car, and I would like to keep it cheap. I have a 1998 corolla with a 4 speed automatic transmission, and an engine whose days are numbere… --- ## [Troubleshooting Converted 1972 Karmann-Ghia](https://community.electricforum.com/t/troubleshooting-converted-1972-karmann-ghia/18485)
**Author:** [@themc1r](https://community.electricforum.com/u/themc1r)\ **Replies:** 2\ **Last updated:** [April 8, 2020, 4:42pm UTC](https://community.electricforum.com/t/troubleshooting-converted-1972-karmann-ghia/18485 "2020-04-08T16:42:31Z")
Hi Ecomodders, My name is Charlotte and I’m undergraduate intern hoping to get some help debugging a problem we’ve been having with our recently converted car. We have a 1972 Volkswagen Karmann Ghia. We are using 24 Se… --- ## [1999-2004 King Pins](https://community.electricforum.com/t/1999-2004-king-pins/18044)
**Author:** [@Todd](https://community.electricforum.com/u/Todd)\ **Replies:** 4\ **Last updated:** [March 22, 2020, 9:05am UTC](https://community.electricforum.com/t/1999-2004-king-pins/18044 "2020-03-22T09:05:42Z")
Has anybody replaced their King Pins (ball joints) themselves, rather than paying a couple hundred bucks for a vendor to do it? What is the part number of the king pins? --- ## [EV from Scratch](https://community.electricforum.com/t/ev-from-scratch/3525)
**Author:** [@matt23](https://community.electricforum.com/u/matt23)\ **Replies:** 8\ **Last updated:** [November 28, 2019, 6:03pm UTC](https://community.electricforum.com/t/ev-from-scratch/3525 "2019-11-28T18:03:03Z")
I'm setting out to build an EV from scratch and need some help! I started planning to build this car (frame and body wise) for some time now (on and off when I have time) and I hope that now in summer to build it but I'm… --- ## [MGB GT conversion using Leaf](https://community.electricforum.com/t/mgb-gt-conversion-using-leaf/17077)
**Author:** [@Gediminas](https://community.electricforum.com/u/Gediminas)\ **Replies:** 1\ **Last updated:** [October 7, 2019, 6:39pm UTC](https://community.electricforum.com/t/mgb-gt-conversion-using-leaf/17077 "2019-10-07T18:39:49Z")
Hi there, new to this forum and to EV world. I own a small restoration shop in Lithuania and was dreaming for a while now to build an EV in classic car shell. Now I have a client from Sweden who wants to do it in MGB GT. … --- ## [Wiring diagram Ford Think Neighbor](https://community.electricforum.com/t/wiring-diagram-ford-think-neighbor/16485)
**Author:** [@Jagodas\_das](https://community.electricforum.com/u/Jagodas_das)\ **Replies:** 2\ **Last updated:** [July 5, 2019, 2:31pm UTC](https://community.electricforum.com/t/wiring-diagram-ford-think-neighbor/16485 "2019-07-05T14:31:56Z")
Hello, Does anyone know what is “STRIKE” in the following wiring diagram? I am a newbie. --- ## [Educated guess on possible range](https://community.electricforum.com/t/educated-guess-on-possible-range/16468)
**Author:** [@johnnydee](https://community.electricforum.com/u/johnnydee)\ **Replies:** 0\ **Last updated:** [July 3, 2019, 6:29pm UTC](https://community.electricforum.com/t/educated-guess-on-possible-range/16468 "2019-07-03T18:29:22Z")
Hello. First time post. I was wondering if any of you have an idea of what the range would be on the following kit car project: Motor: Tesla front drive unit with 243 lb ft of torque Battery packs: total of 53 kWh W… --- ## [84 Volt 2 Seater](https://community.electricforum.com/t/84-volt-2-seater/15470)
**Author:** [@Old\_Houseboater](https://community.electricforum.com/u/Old_Houseboater)\ **Replies:** 7\ **Last updated:** [May 22, 2019, 10:13pm UTC](https://community.electricforum.com/t/84-volt-2-seater/15470 "2019-05-22T22:13:54Z")
A few weeks ago I stated that I intended to add a 7th battery to my 2002 two seater. This is the result. Three/four miles of extra range. Lots of acceleration. 42 MPH but limited to 38. The last 4 MPH EATS!!! range, Tru… [Next page](https://community.electricforum.com/c/electric-vehicle-diy-forum/147.md?page=1)