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Solenoid Test

WARNING: This page is about a different car, the 2017 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
GC0109965Courtesy of CHRYSLER GROUP, LLC
  1. Disconnect and isolate the positive battery cable (1).
    GC0109966Courtesy of CHRYSLER GROUP, LLC
  2. Remove the winch assembly (2) as necessary to gain access to the control unit and cover. Refer to WINCH, REMOVAL .
    GC0109967Courtesy of CHRYSLER GROUP, LLC
  3. Disconnect the three cables connected to the motor on the studs marked F1 (2), F2 (1) and A (3).
    GC0109968Courtesy of CHRYSLER GROUP, LLC
  4. Remove the nut and disconnect the terminal wire (1).
    1. Measure the resistance between the two large studs on solenoid #1.
      • The resistance should be greater than 1 megaohm.
    2. Apply 12 volts to the small terminal (1) and apply ground to the small terminal (2).
      • Measure the resistance between the two large studs on solenoid #1.
      • The resistance should be less than 1 ohm.
    GC0109969Courtesy of CHRYSLER GROUP, LLC
  5. Remove the nut and disconnect the terminal wire (1).
    1. Measure the resistance between the two large studs on solenoid #2.
      • The resistance should be greater than 1 megaohm.
    2. Apply 12 volts to the small terminal (1) and apply ground to the small terminal (2).
      • Measure the resistance between the two large studs on solenoid #2.
      • The resistance should be less than 1 ohm.
    GC0109970Courtesy of CHRYSLER GROUP, LLC
  6. Remove the nut and disconnect the terminal wire (1).
    1. Measure the resistance between the two large studs on solenoid #3.
      • The resistance should be greater than 1 megaohm.
    2. Apply 12 volts to the small terminal (1) and apply ground to the small terminal (2).
      • Measure the resistance between the two large studs on solenoid #3.
      • The resistance should be less than 1 ohm.
    GC0109971Courtesy of CHRYSLER GROUP, LLC
  7. Remove the nut and disconnect the terminal wire (1).
    1. Measure the resistance between the two large studs on solenoid #4.
      • The resistance should be greater than 1 megaohm.
    2. Apply 12 volts to the small terminal (1) and apply ground to the small terminal (2).
      • Measure the resistance between the two large studs on solenoid #4.
      • The resistance should be less than 1 ohm.
  8. If the resistance across any of the solenoids doesn't go from open to closed (megaohms to tenths) then the solenoid is bad and needs to be replaced. Refer to SOLENOID, WINCH, REMOVAL .
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