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1G Anyone know what this is???


Probationary Member
Nov 3, 2008
norton, Virginia
I'm not sure if this is where I need to post this at but here it is, it's mounted on the fire wall has a green wire a red wire and a white wire.


  • dont know what this is.jpg
    dont know what this is.jpg
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Proven Member
Oct 27, 2009
Harrisburg, Pennsylvania
yeah it is a shock sensor for an aftermarket alarm, its purpose is if someone decides to come up and break in and they rock the vehicle at all, in design its supposed to feel it and set the alarm off but like everyone else said if you dont have the alarm anymore take it out, just be sure to seal up the wires that were tapped into


Proven Member
Apr 16, 2009
Raton, New_Mexico
Cool thanks alot guys, that thing was on the car when I got it and just never really noticed it until the other day. It doesnt have an alarm so I'll be ripping it out :thumb:
Keep it, and look up on youtube how to solder, and make something interesting outta it. Like an alarm on the toilet seat, etc. I think they use a magnetic ball of sorts that completes the circuit when set it up somewhere where someone will bump it and set an alarm off....good to scare the crap outta the parents or roommates LOL.


Proven Member
Mar 7, 2010
Ft. Myers, Florida
what kind f boost gauge do you have??? If you have a Greddy boost gauge that might be the sending unit... If not it's a shock sensor as everyone has stated...
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