The reverse light switch is broken.
The reverse lights come on often or not at all
The performance of the broken reversing light switch mainly includes that the reversing light is often lit or not lit at all. This may be caused by poor switch contact, poor line contact, damage to the switch itself, light bulb damage or circuit breakage.
The reasons for the damage of the reverse light switch may include short circuit or open circuit of the front or back circuit of the switch, damage to the switch itself, and damage to the bulb. The use frequency of the switch is high, and long-term pressing may cause the internal copper sheet to wear, aging, rust, connector welding, spring buckle fracture, etc., resulting in poor contact and no reaction when the switch is pressed.
When checking the fault of the reverse light switch, you can open the right liner of the trunk, test the line, open the fuse box, and check the reverse related fuse with a multimeter. If the reverse light switch fails, it is recommended to replace the switch in time to ensure driving safety.
The working principle of the reverse light switch is a normally open switch. When the reverse gear is hung, the mechanical mechanism will press down the contact of the switch, close the circuit, and the reverse gear light and reverse gear prompt sound will be made. The reverse light switch of the tractor is generally installed on the transmission and triggered by a pit on the transmission rod.
If the reverse light is not on, first check whether the reverse light bulb is damaged, such as the light bulb is intact, should check the reverse fuse. If the fuse is intact, check the reverse switch. The reverse switch plug can be short-circuited to test whether the switch is broken.
What is the principle of reversing lights
The principle of reversing lights:
1. The working principle of the reversing light switch is a normally open switch (often disconnected). When the reversing light switch is hung in reverse gear, the mechanical mechanism will press down the contact of the switch, close the circuit, and the reversing light and reverse cue sound will be made. When the reverse gear is removed, the switch contact springs up, and the reverse gear lamp circuit becomes disconnected;
2. The reverse light switch of the tractor is generally installed on the transmission, and the reverse light switch is triggered by the pit on the transmission rod, and its circuit is shown in Figure a. When working, due to the continuous high temperature of the transmission, the insulating rubber inside the switch is easy to age and fail, and the capacity of the switch is small;
3. Under normal circumstances, when the two headlights at the tail of the tractor and the reverse buzzer work at the same time, the current through the switch can reach 7A, and the contacts are easy to produce sparks and burn out at high temperatures. The service life of the original reversing light switch is only one month, because the installation position is narrow, the replacement is inconvenient, time-consuming and laborious.
The reverse light switch is a normally open switch (often disconnected). When hanging the reverse gear, the mechanical mechanism will press down the contact of the switch, close the circuit, and the reverse gear light and reverse gear prompt sound will be made. When the reverse gear is removed, the switch contact springs up, and the reverse gear lamp circuit becomes disconnected.
The reverse light switch is a switch connected to the reverse light line, which is installed in the transmission reverse shift paddle or the moving end of the shift lever externally placed in the reverse position. As for the light test, your question is not very clear, there are probably two possibilities. One is that the test light is connected to the reverse light, the current is too small, the reverse light and the test light each account for a part of 12v, and the two lights are not bright or the small power light (such as a single led or something).
Please call us if you need such products.
Zhuo Meng Shanghai Auto Co., Ltd. is committed to selling MG&MAUXS auto parts welcome to buy.
