Hi, i've got a ford focus and i'm trying to do something very simpliar or the same thing. I want to have the ability to have my radio keep playing when i turn the car off until i open the doors. I'm having trouble understand how this latching relay works. For the status cahnge (volatage increase/decreases) how does it work if lets say the secondary source input is the dome lights, when you open the door they go on and it turns off the radio, but when you close the door and the light goes off again wouldn't the radio go back on? Tha ks for the help.
- Scott
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