Linhai HY740STL 2018 Service Manual page 215

CHAPTER 8 ELECTRICAL
M550 SERVICE MANUAL 16.0
7.12 THE OPERATION PRINCIPLE OF THE ELECTRIC 4WD /DIFF LOCK SHIFT
(Fig 1)
1, The rider shifts by the Switch on handlebar.
2. The Switch gives signal to Controller.
3, The controller gives power to the solenoid.
During this time, the 4WD/Diff lock indicator is not on, this requires the rider to back or move (ride)
the ATV a little to allow the Dog change position for engagement. ( See owner's manual or decal).
CHAPTER 7 ELECTRICAL CTRICAL PAGE 8- 33