Electrical and electronic questions (why LED searchlights keep shining)
The battery must be ok... The switch of the welding point loose, the LED lights are common cathode (high light) or total (bottom level lights) connection. Now you press it, there is no response, it proves that it can not get high or low level, can not change the status quo!
You're always bright! Is half of the bright lights in all lights! If it is lit only half, that is the control of the group a lamp tube is broken. If all the lights are bright, it may be the control chip is broken! If it is, it can only lose don't you want! At the top with a switch, used to improvise!
There is also a control circuit, it should be inside the circuit damage
