Question about 1995 Pontiac Bonneville

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My security light comes on and i can't start my car

96 bonneville security light comes on and can't start car how can i disable security.

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  • Anonymous Mar 17, 2014

    Security light comes on but car still starts and runs

  • Anonymous Mar 30, 2014

    Car stall like it want to turn off while driving sometimes

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  • 10 Answers

Your car security system can not be disable but it can be bypass

but firts on these models it is the pass key the problem

on your key to strt the car you have a little round black thing with a little metal contact this is a resistance that is in your key when you put it in the hole to start your car it mesure the ressistance
and the you can start your car

the usual problem with this system is that in the ignition key lock cylinder there are two wire
and usualy one of the two wire just cut so i would remouve the stearing wheel and get that wire fix

hope that will help you !!!

the way to bypass the system is easy but you need to realy know what you will be doing

first you mesure the ressistance in the key in (ohm) and second get a ressistance the same value from any places that sells electronics

after you will find in your car the passkey decoder module (behind right side of i/p)
the two wires that come out of the box (B7 ppl/wht and B8 wht/blk)
cut these two wires and weld the ressistance in bettwen
this way you won t have to take your stearing appart
and your system will be bypass for ever

great day to you


Denis

Posted on Dec 13, 2008

  • deut6n4 Nov 08, 2010

    Had the same problem. I made a jumper to bypass the VATS (Vehicle Anti Theft System) by using an ohms meter to find the resistance of the chip in the key (mine was 2.37K ohms). Then I went to Radio Shack and located resistors that added up to the ohms resistance I found (one 2.2K, one 150 ohm, two 10 ohm). I soldered the resisters in sequence, starting with the largest, and connected a male connector to one end and a female connector to the other. I put shrink wrap over the entire assembly. I cut the orange wire (a sort of a flat wire that contains 2 thin white wires) under the steering column(never mess with yellow wires as this will cause serious issues with your airbags), then stripped each of the white wires on the wire opposite the steering column and connected a male connector to one wire and a female connector to the other. I then connected the jumper to the connectors on the white wires, turned the ignition key, and presto...the car started. Been working fine since (one month now).

    Really quite easy to do. Hint: If your resistance says 2.37K ohms, for example, it means 2,370 ohms. Sounds silly, but not everyone is an electrician and it has stumped some; (me) duh. Wattage didn't seem to matter.

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