Automotive relay can be used for immobilizer scenario, when the driver will have to be identificated in order to start the engine. Тhe advantages of a relay are that even if the thieves managed to bypass the cars alarm system by using modern jammers, they won't be able to start the engine.
Product Specification
Relay schematic diagram
Name
Value
Contact Rating
30A/40A 14VDC
Coil Voltage
12VDC
Coil Power
1.8W
Release Voltage
≥10%
Pickup Voltage
≤70%
Insulation Resistance
100Ω
Contact Resistance
100Ω
Between open contact
500VAC
Between coil & contact
750VAC
Temperature Range
-55~+85℃
Dimension
25.0x27.4x28.4
Weight
40g
Installation
Relay Wiring
In order to control vehicle starter via relay you will need a FM device that has a DOUT (Digital Output).
First of all you need to cut off the starter control cable and connect relay between starter cable and the engine.
Also connect FM device DOUT to the relay.
