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  1. For Sale: Dead Auburn Kodiak Controller $0 + Pay Postage Only

    Update 9/2/2015: This item has been sold. This controller had a serious smoke incident before I got it. The cover has been removed and there is a lot of black charring inside. There may be some good FETs, and the Capacitors (680 uF @ 200V) are not visibly damaged, but nothing is...
  2. Help Please. Curtis 1238 shows fault code 17 and 23

    Hi everyone. Here is the situation; Have 1238 controller to AC-12 motor. 72 volt system. Was driving it and it cut out. Let sit for a minute, flipped switch a few times, after multiple attempts it ran again. Noticed motor was overheated slightly. Next day adjusted encoder steps from 128 to 64...
  3. My Electric Saturn with new Lifepo4 batteries

    All EV Conversions and Builds
    This last Winter I was busy installing new Lifepo4 batteries in my Saturn SC2. These replace the nine lead acid batteries that gave the car a range of 12 miles. Last weekend I drove the car 40.4 miles. I was thrilled to get that close to my estimate of 42 miles with the 36, 100 Ah cells that I...
  4. Cooling the capacitors

    Hey, I have a Netgain 1000A controller (old style) and the capaitor temperature is getting up to above 160 when driving in summer on the highway. The IGBT temp stays pretty low, as I have ample cooling. It did seem slightly better when I removed the plastic cover and drove, but I'm afraid of...