Opel Fiat lancia Alfa Romeo Relay Mopar 12V 20A 702300 E016

What is a car relay used for?

A relay acts as an electrically controlled switch in a vehicle's electrical system. It allows high-current circuits (e.g., 20 amps) to be controlled using a very small control current. [1]

They protect sensitive switches in the car's cabin from melting and reduce the load on the electrical system.

Technical specifications of this model:

Operating voltage: 12V (standard in passenger cars).

Maximum current: 20A.

Number of pins (pins): 4 pins.

Contact type: 1 N.A. (Normally Open – closes the circuit only when control current is applied). [1]

Most common applications:

These types of microrelays are commonly used in the fuse boxes of many vehicle brands (including Fiat, Ford, Toyota, Hyundai/Kia, and Honda) to power components such as: [1, 2]

Fuel pump,

Air conditioning system (e.g., compressor clutch),

Fog lights or high beams,