Time relay with range from 1 to 750 seconds.
Direct 12V output:7A/12V DC
Power: + , - Have protection against reverse supply voltage.
Power supply - 12V DC
Time is adjusted by trimmer
Timer don’t have power consumption when it is in standby mode – ( open relay)
Principe of work:
When contact switch is turn on,
- the timer received 12V+ at the activation input( red wire) and the relay close.
- stereo received 12V+ and start work.
When door is open and engine is turn on - noting will be happen - the car stereo continue work.
When contact key is turned off :
- the timer start countdown and stereo work up to 750 sec, then go off
- if driver door is opened - stereo turn off immediately
When engine is turn on again - cycle repeat.
Please note – if power consumption of the stereo is more than 7A ( 84w 12V) must be placed separate powerful relay at the place of bulb at the schematic, to avoid damage of the timer.