I did a search and found similiar threads but didnt really answer my question-I have a factory alarm from toyota and i have a Blue led mounted above my ac vents(seen below). I want to wire the blue LED to the toyota unit so that it blinks when the factory alarm is on. The factory alarm has a small box that is mounted under the ash tray and is red. being that my truck is lifted-the alarm light on the factory unit is hard to see and isnt very bright. I wanted it more visible. Below is pics of the toyota alarm unit and three wires coming into to it-they consist of onbe thick grey wire to one side and two wires on the other(red and white/blk). Then those connect to a harness which is a 4 wires come out of. I am guessing i just hook up the red wire of the alarm unit below to the positive of the led???anyone done this or know-thanks.
I'm not sure on that one. However, I do know that there are LED's out there that flash if you hook them up to power, to make it look like you have an alarm. I wonder if you need to get one like that and hook it up to the alarm wires.
to get them to blink you need some kinda relay or something..I cant remember, but a friend of mine did it for his truck, only he put one in each headlight so they blink at the same time. Kinda creepy if your not used to it.
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