Question about 1994 Pontiac Grand Prix

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My 1994 pontiac grand prix is not starting intermitently. My security light is on my dash and won't go off. It normally will start after a few minutes, but it is happening more and more. I got a new key with a new ohm resistor and that helped for a while but it is starting to do it again. Is there a way I can override the security system to where it doensn't need an ohm reading to start. I'll take the risk of someone stealinga 94 grand prix in 2011

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There is no way to override the security system that I know of.You probably have a bad ignition cylinder.This is the part that the key goes into.Unless you know the resistance of that key and then you need to get a resistor of that resistance and put it in the wiring from the ignition cylinder on the wire that goes to the pcm.This will enable the pcm to allow fuel to the engine.Hope this helps.Good luck.

Posted on Nov 07, 2010

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Posted on Jan 02, 2017

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1 Answer

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1 Answer

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well does the key go in does it turn to the start pos? if the dash dost power up its because the switch is bad if it will power up but not start it can be becuse of the resitor chip depends on what is going on if you cant get power its becuse of the switch

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1 Answer

1994 gp 3100 ,wont start, turn key getting all the dash lites but starter not engaging, security lite is flashing, the car was drove to my hse i know it runs any ideas, battery is new, key is a #7.with key...


You need to set the parking brake, Turn the key on let it sit like that for 10 mins. the sec light will either start flashing or will stay on or go off when done (This will reset)
REPEAT 3 times!
Then you should be able to start the car after the 3rd time!


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