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Car relay wiring method with detailed wiring diagram

Car relay wiring method with detailed wiring diagram

  • Categories:common problem
  • Author:
  • Origin:
  • Time of issue:2021-09-09 15:10
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(Summary description)Relays have four-pin relays and five-pin relays. Let's talk about four-pin relays first. First find out which 2 of the 4 pins of the automotive relay are coils and which 2 are contacts and connect them according to the diagram. The insulation between the 2 pins is the normally open contacts 3 and 4. The other 2 pins are coils 1 and 2. When the switch is turned off, the electromagnetic coils at the 1 and 2 terminals of the relay will combine the 3 terminals with the 4 terminals.

Car relay wiring method with detailed wiring diagram

(Summary description)Relays have four-pin relays and five-pin relays. Let's talk about four-pin relays first. First find out which 2 of the 4 pins of the automotive relay are coils and which 2 are contacts and connect them according to the diagram. The insulation between the 2 pins is the normally open contacts 3 and 4. The other 2 pins are coils 1 and 2. When the switch is turned off, the electromagnetic coils at the 1 and 2 terminals of the relay will combine the 3 terminals with the 4 terminals.

  • Categories:common problem
  • Author:
  • Origin:
  • Time of issue:2021-09-09 15:10
  • Views:

Relays have four-pin relays and five-pin relays. Let's talk about four-pin relays first. First find out which 2 of the 4 pins of the automotive relay are coils and which 2 are contacts and connect them according to the diagram. The insulation between the 2 pins is the normally open contacts 3 and 4. The other 2 pins are coils 1 and 2. When the switch is turned off, the electromagnetic coils at the 1 and 2 terminals of the relay will combine the 3 terminals with the 4 terminals.

 

xinwen

 

Automotive four-pin relays are divided into 4 lines of 85/86/87/(30A/87A). The two 85/86 are the speaker control lines, the 85 is connected to the positive pole of the control line, and the 86 is the other terminal of the horn, regardless of the positive and negative poles. 87 is connected to the positive electrode of the battery, and 30A/87A is connected to the positive wire of the electrical appliance that needs to be controlled.

Two of the automotive five-pin relays are the coil power supply, and the other three pins are normally open and normally closed points. Generally, there is a schematic diagram of electric shock on the relay, which can also be detected by a multimeter. Generally speaking, the middle of the side of the three legs is the common terminal of the output contact, and the other two pins are the coil. One end of the two feet is the normally open and normally closed contacts of the output, and the common terminal is normally open, and the common terminal is not normally closed. The five pins can disconnect the original line and connect other lines at the same time. According to their respective needs, five feet can be used instead of four feet.

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