transponder based bypass method
Printed From: the12volt.com
Forum Name: Car Security and Convenience
Forum Discription: Car Alarms, Keyless Entries, Remote Starters, Immobilizer Bypasses, Sensors, Door Locks, Window Modules, Heated Mirrors, Heated Seats, etc.
URL: https://www.the12volt.com/installbay/forum_posts.asp?tid=92214
Printed Date: May 02, 2024 at 11:01 PM
Topic: transponder based bypass method
Posted By: gr8snk
Subject: transponder based bypass method
Date Posted: March 28, 2007 at 12:42 AM
I found this diagram of a method for bypassing most transponder based oem anti-theft security systems. Have any of you tried such a thing and is it feasible and if it is, what is used to wrap around the key and cylinder? I have a 98 mustang with PATS and was wondering if it was worth the try. Any feedback is appreciated.
Replies:
Posted By: gr8snk
Date Posted: March 28, 2007 at 12:54 AM
Posted By: customak47
Date Posted: March 28, 2007 at 4:19 PM
I use this method all the time instead of the 556u. the nice thing is that you are custom making the coil around the key and around the lock cylinder, so there is no loss of signal from loose coil. The only issue I have ever had is a handful of ford keys when it got REALLY cold would not start. With the 04 grand prixs, if it sees two keys at the same time it will trip the theft code, so you have to use another relay to disconnect off the keysense wire. You leave the insulation on the wire because the ignition senses the transponder with a magnetic field. WORKS GREAT, SCREW DEI!!!
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My rifle is my friend...
Posted By: docsautomotive
Date Posted: March 30, 2007 at 10:01 PM
i love DEI let someone else take the heat
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never stop
Posted By: mrcanngo
Date Posted: March 31, 2007 at 11:06 AM
how do we know what vehicles this diagram works with? should it work for all or is there something i should look for? I'm intersted in doing my friends 05 chevy cobalt this way. It has gm passlock 2 on it and i'm not sure if this woudl work. Will it?
Posted By: peterubers
Date Posted: March 31, 2007 at 2:37 PM
Should technically work with all vehicles b/c it's basically just a homemade amplifier of a tiny/weak radio signal from the OEM key.
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The search function is your friend.
Posted By: mikvot
Date Posted: March 31, 2007 at 11:11 PM
The passlock 2 system in the 05 cobalt is a resistor based, not transponder like pk3........so, it will not work. Mrcanngo, i do have diagram to bypass the system without a module if you need it. -------------
Posted By: mrcanngo
Date Posted: April 01, 2007 at 7:33 PM
yes please! that would be much appreciated.
Posted By: green6767
Date Posted: April 01, 2007 at 10:23 PM
Also will not work with BMW systems....need specific parts for that.
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Shaun, we are the same height, that is neat!
12V Installation Technician for Honda, Dodge, Chrysler, Toyota and Jeep.
Posted By: voluster
Date Posted: April 02, 2007 at 2:04 PM
I've been replacing this hack stuff ever since we took this place over from the guy that owned it before us. I like guys that do stuff like this Keeps me Employed
Posted By: dswift
Date Posted: April 02, 2007 at 6:54 PM
For the mustangs pats system. Go to www.ifar.ca and check out the keyoveridesl2 Its the doodieness. Dont lose a key for a ford mang. waste of a key. PLUS i heard your insurence wont cover theft if someone steels your car and they find out there was a key under the dash. "so i had heard" ------------- "dont ground out!"
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