Model kdyjt006-20: power lift chair motor is unique, please check original motor label, and if available, do a swap test to confirm the motor is the issue — not the power supply or switch Easy replace in minutes, no tools needed KDYJT006-20,Max load:800N,Speed:36mm/s,Stroke:25mm Similar but not same item may have different cords, KDYJT006-20 has 2 cords come out from the motor side, a 01-pin cord for power supply, the other 5-pin cord for remote control, other brand item may have 8-pin, verify carefully Any question contact us with picture of labels, reply in 24 hours