I have a 1995 pontiac grand prix se the security light is flashing and the car will start but won't run

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http://trailers.com/tow-capacity/1995_Pontiac_Grand_Prix_1620.html
have look to this link
hope it helps

I had the same problem on my car and I went to this site and it fixed my issue 100%
http://vatspasslockpasskeysecurityhelp.yolasite.com/

On this website (link below) you find fuse box diagram and description for Pontiac Grand Prix 1995


Pontiac Grand Prix mk5 Fifth Generation 1995 fuse box diagram Auto Genius

if the security is activated the car wont crank for 15 min what is happening is when u insert the key it isnt reading the key if u have a spare key try it and if it does the same thing then id say u will have to change the ignition lock because the contacts are worn out in it and it isnt reading the key

If the security system has been triggered this will shut down not only your starter but also your fuel pump. the most comon cause on a passlock II system is the wiring at the ignition lock cylinder breaks causing the computer to not be able to see the resistance chip in the key. you will most likely need a new ignition lock cylinder, keep in mind that you need to have the new cylinder keyed for the original key otherwise if you use a different key the security system will see the wrong resistance and you are back to square 1. your local dealer will be able to read the resistance of your original key and get you a cylinder to match.

maybe a water pump.

Probably it is OBD1. I think OBD2 cam in 1996. Check the internet, you might get the check engine light flashing the code with the right on/off/on switch combination.

1999 GRAN PRIX SE HOW DO I INSTALL HEAD LIGHT BULB

did you check the starter .