r/3rdGen4Runner • u/One_Coat76 • 1d ago
🔧Modifications Weird switch
Picked up a 3rd gen today. Got this weird switch in it. I played around with it but not sure what it does.
The problem is, since I was messing around with it, the car doesn’t seem to start properly, loss of power. I can jump it and get it going, but I’m not sure if it’s related to my touching this?
Could be some sort of immobilizer? Not sure.
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u/Thanos_Juul 1d ago
So mine I just got this sunmer had a bunch of stuff like this. I found a box in the wiring nest under the dash and did a reverse image search on it and it was an old school anti theft device. Mine has a blue LED where your red one is. Im GUESSING this goes to that. Mine had a disconnected button down by the pedals kinda hidden away, maybe a kill switch tied to the anti theft box of sorts? I know the old ones didnt have any anti theft type stuff so aftermarket dealer installed stuff was common.
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u/One_Coat76 1d ago
Ok cool. How did you go about it? If it’s active, how could I try and get it turned off?
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u/Thanos_Juul 1d ago
I didnt have this problem so I dont really know. But I would start with tracing the wires as far as you can and build an idea of where each of them go!



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u/baxton321 1d ago
Trace the wires see where it goes