How to solve the high voltage of JMC Landwind pO617 starter motor relay

If the voltage on the relay is too high, the series resistance can generally be stepped down.

Or find a professional electrical engineer to check the cause of the high voltage.

This is not a problem that can be solved by one individual, and professional problems need to be dealt with by professional local professionals.

Go to a 4S shop or garage for inspection and repair.

The main positive relay and main negative relay of the power battery are controlled by the vehicle controller through BMS to control the on/off of the main circuit, and at the same time, the pre-charged relay should be closed for pre-charging at the initial stage of charging and discharging.

The main relay control circuit is a little different for each car! Let's tell you about the model, "Santana 2000 Era Superman" its main relay control is: oil pump circuit, four fuel injector circuits, oxygen sensor heater, activated carbon tank solenoid valve!

Hot film air flower! "The other cars are pretty much the same!

The charging system in the car does not have the charging relay you are talking about, the Isuzu charging system has a charging indicator relay, and a green five-legged relay in the fuse box is this relay, and there is also a regulator, and then inside the generator.

Take a wire out of the battery'Connect to the foot of the relay 58, and then connect a wire from any iron of the motorcycle to the foot of 30, and then use the two of the original switch to connect to 87 respectively'86 feet, so it's OK.

When you buy a speaker, there are drawings in the box, you can look at the installation, it is best to buy a switch switch, the air horn and the electric horn can be used interchangeably.

Relays: As the name suggests, relays are appliances that continue to let current through. It is usually placed in the electric start circuit of the motorcycle, which is composed of a coil, a movable iron core and two binding posts, and the fire wire, electric start switch, diode and starting motor of the electric door lock are connected in series on the electric start circuit of the motorcycle.

The working principle of the relay: open the electric door lock and press the electric start switch, the coil in the relay is energized, according to the magnetic induction principle of the energized coil, the energized coil produces a magnetic field, and the iron core in the coil becomes a magnet conductor and the two binding posts on the relay are connected to energize the starting motor, so as to achieve the purpose of starting the motorcycle.

First of all, use the universal meter to measure the control ends of the relay, respectively connected to the two wires of the original horn, and then connect one positive and one negative to the two ends of the battery, and then connect the relay in series in the positive electrode, and it's OK!

The original horn has two wires connected to the control line of the relay, and there are two connectors left, one is directly connected to the positive pole of the battery, and the other is connected to the positive pole of the horn, and the negative pole of the horn can be directly connected to the iron.

Very good installation! A live wire, a ground wire! Parallel connection on the circuit will do it!

Three-line or four-line???

A relay is an automatic control device that changes by leaps and bounds when the input quantity (electrical, magnetic, acoustic, light, heat) reaches a certain value. The automotive relay is a relay used in automobiles, which has a large switching load loss and high power resistance. The power supply in the car is mostly 12V, and the coil voltage is mostly designed to be 12V.

Because it is battery powered, the voltage is unstable; The environmental conditions are harsh, and the suction voltage V 60%VH (fixed working voltage); The coil overvoltage is allowed to reach. The power consumption of the coil is large, generally 2W, and the temperature rise is high. The environment is quite demanding:

In the engine compartment, the ambient temperature range is required to be -40 125, and in other locations the ambient temperature range is -40 85; Relays used in the engine compartment should be able to withstand sand, dust, water, salt and oil; Vibration and shock are quite harsh.

Usually they are four-bar, but there are also three-bar orange and five-bar ones.

A set of coils has two posts, and a set of contacts has two posts. The coil is connected to the electric pick-up contact, and the contact is connected to the electrical appliance.

The relay is a commonly used component in the automotive control circuit, which uses the principle of electromagnetic induction to control the connection or disconnection of a certain circuit, so as to control the large current with a small current, so as to reduce the current load of the switch contact and protect the switch contact from being ablated.

Pin 86 and pin 30 are connected together and then connected to the power supply, pin 87 is connected to the horn, and pin 85 is connected to the horn button.

I installed an air horn and a relay. But the horn will be darkened when the headlights are pressed, I don't know if it will be wrong, my relay is 30 to the positive pole of the battery. 87 to the air pump 85 to the iron 86 to connect the control line of the original car horn line. Ask all the masters for answers.

Yes, it's behind the CD. There are two of them at the bottom.

The gasoline pump doesn't seem to have a relay! Did you see if the fuse burned or not? I feel that if the oil does not come, it is more likely that the gasoline pump will be broken.