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I Just worked on one of these a week ago installed new batteries and a couple bad Contactors and spent several hours replacing cables....this truck does have a 12 volt charger and the lift motor runs off 12 volts but the drive motor runs on both 12 and 24 volts(high speed)....first speed is 12 volts running thru a resistor then to the drive motor...second speed is 12 volts bypassing the resistor and high speed is when the two left most Contactors (b & c) close and put the batteries in series to give the motor 24 volts....the middle Contactor(A) should have a switch at the top of it that activates the coil for the C Contactor.....
  • Posted 18 Jun 2013 19:39
  • By kevin_t
  • joined 2 Dec'10 - 1,301 messages
  • Pennsylvania, United States

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