Switch which controls the electrical signal, being capable of transmitting high amperages through a signal with low intensity, separating power electrical circuits from control circuits.
TYPES
| Relay – main current | Element responsible for supplying energy to the vehicle to guarantee its operation. |
| Relay – AC | Device used to control the air conditioning system of the vehicle. |
| Relay – fuel pump | Component responsible for the operation of the fuel pump during the start cycle. |
| Relay – wiper | Element responsible for closing the contacts that trigger the voltage to the wiper motor. |
| Relay – glow plug | Element responsible for guaranteeing the supply of high voltage current to the spark plugs and managing the preheating period according to the temperature of the vehicle engine. |
COMMON FAULT SYMPTOMS
- Circuit problem
- Open: Lights do not turn on
- Close: Lights do not turn off
- Corrosion
FAULT EFFECTS
- Overheating of the electrical installation
- Failure of vehicle component
