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Dymac Mini Truck

Discussion in 'Dymac Electric Mini Trucks' started by trav1, Jun 27, 2020.

  1. trav1

    trav1 New Member

    oh, I missed your message there Roger about reprogramming the Curtis to allow speeds over 24. I don't know how it was done but it has been done to mine. I'll send a message to the woman who sold me mine and reprogrammed the controller herself though she hasn't replied to my email from June so....

    This was added back into mine but needs to be re-calibrated to the barometric pressure. The power breaks only work when it rains ahahah.
  2. DC/Dave

    DC/Dave New Member

    Trav 1,

    Hello! Can I ask if your truck has a speedometer? And if it can exceed 24MPH, the speed it was approved for within the US? Do you have any information/documentation on the motor or controller?

    You are correct, Dymac did not sell many of these and only to large firms with facilities where onsite travel necessitated a vehicle of this size.
  3. trav1

    trav1 New Member

    An aftermarket speedo was installed. It has trouble reading the speed over like 32mph (ex. going down a steep hill). It wasn't sold being able to go over 25 and I think those inspecting it haven't bothered checking/adhering to LSV laws.

    Sadly I have no information on the motor or controller...
  4. DC/Dave

    DC/Dave New Member

  5. DC/Dave

    DC/Dave New Member

    Trav 1,

    Thanks for the info on your trucks modifications etc.
    1. Brakes, power booster vacuum pump; I ordered a used Volvo unit a V40 which is 12v and reasonable at $22. on Ebay.
    2. Parts and electrical diagrams: I have parts of a manual for a Tiger truck, I suggest look for the free download on TigerTruck.com it is the older model, I guessed at the model. So far the parts I ordered for my Dymac have been the same part numbers, and identical. Telephone support is good but slow, like a week to respond during Covid.
    3. Programming the Dymac; The programmer is both a handheld or PC software based, the handheld unit is on Ebay for 300 to $600 with a book, I did find a Golf Cart dealer in Las Vegas that has Curtis trained techs, but they want as much to reprogram two parameters, is as it is to buy a handheld unit, and they are 3 hours away. Call me cheap but you can only change a few parameters, speed and acceleration rate being all of what I am interested in.
  6. KurtsTruks

    KurtsTruks New Member

    Hey everyone! Kurt here, Located in Encinitas, CA.
    Came across an ad on Craigslist I couldn't ignore. After doing some research I was very interested and went to go check out the vehicle. She's in rough shape but I see the potential.

    A bit I can tell you about the past owner- Was mainly used for property Maintinence for big properties through out the San Diego county. The truck was regularly serviced along with all other vehicles. Eventually she ended up sitting for a year and it was time to make some space.

    I was able to make a deal with the owner to take home my new project!
    I plan to use it for my around town commute. Our highways speed limit is mostly 25-35mph for the general area.

    2009 Dymac EV Mini Truck

    Needs some TLC but I can't stop thinking about all the custom things I want to add on.

    She can start up and drive away no problem I made sure to test drive it on site and asked to take laps to get a feel and really get an idea of what's going on.

    Separate electric charge start key and one key to unlock the steering wheel? is this correct?

    It runs on DC 72 v/ 12 - 6v Lead acid batteries
    The owner mentioned they installed an updated charging port to take a 220 v Charger, the other is still attached. Unsure if its still functioning

    the brakes definitely need to be replaced.
    ( I believe they are front disc brakes and rear drum brakes.)

    Things that don't work when turned on-
    windshield wipers,
    some lights,

    Things missing:
    forward /reverse switch (at least what I can tell from photos of other previous models) there is an alternate unit installed on the radio dash.
    tail light unit,
    some head lights,
    glove box,
    dymac - side text
    mini truck - rear text

    other things-
    the key locks can't lock with the key- ( need to be replaced to fit current key)
    the doors don't close all the way - looks like they just need to be lifted and tightened on all ends even the hood could use some tightening as well.
    the front plastic bumper and grill are mangled

    But this quarantine has taught me to just go for it and learn new things. Please any suggestions will help or any friends you have that live near by and believe in the dream to get this on the road again!

    I really have no idea where to start.
    I figured get the brakes replaced and find a tail light unit and replace some lights.
    Theres and auto shop down the street that only does electrics on cars so was gonna have him look at the radio/ac/ speedometer/windshield wipers.
    Get the batteries looked at maybe sold to purchase an updated EV unit for a longer range, or look into purchasing an electric D/C generator / range extender/

    Once those items are taken care of , I plan to sand it down and to remove as much rust as I can. Bondo up the rough spots and get a fresh coat of paint on there.

    What output solar panel would I need to keep the truck going on solar around town.
  7. trav1

    trav1 New Member

    Kurt this is so exciting!!

    This is not how mine is setup, I have one key for doors and starting...

    could be all blown fuses? Does it actually have AC or just blowers? Mine only has blowers.

    hell yeah! You can do it! I remember when I bought mine the previous owner asked me if I was an electrical engineer. I said no and she said, 'well you'll become one!' or something like that. The truck was designed with the intention that anyone who's taken a highschool shop class would be able to repair it though it's taken a bit more than that for some repairs I've had to do. But it's been a fun learning process!

    If you're upgrading your battery pack to lithium-ion you'll also need a BMU so it's not a super easy upgrade as far as I understand but perhaps well worth it. I think solar would make more sense than a generator, no moving parts or fuel...

    I can take pictures of my panels and charge controller specs if that would help :)

    Keep us posted on your progress! :)
  8. DC/Dave

    DC/Dave New Member

    Hello Kurts,

    I did some searching and I found this set of locks on AliExpress the kits include ignition, door locks, fuel door lock (If equipped). I ordered one for my Dymac EV in March, however it takes 45 days or so to get here from China. upload_2021-4-8_8-11-4.png
  9. DC/Dave

    DC/Dave New Member


    The ignition and door lock set, shows available on AliExpress under this part number
    3704000-11 Dongfeng Sokon.

    Note: I had selected the low cost shipping option, I no longer recommend this solution. I just canceled my order from March 1, as it still had no actual tracking and had been canceled on 3/11 thus was in dispute. So I opted for Fedex, now the AliExpress site states the lock set will ship in 11 days and I will receive by April 28, but three times the shipping cost. Total was $96.81

    I will have the old locks available in May, if the AliExpress option is too pricey.


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