My car turns over but wont crank the security light blinks
SOURCE: Security light in 99 Oldsmobile Alero
There isnt a fuse for the theft system. You need to take the coloum cover off. Should be 3 screws and you will see all the wires in there. The ones you need are three togather. White Black and Yellow. Get the car started and cut the yellow wire. The theft light will come on and stay on but will bypass the theft system. If it is a 2 wire system you will see two little metal strips on the upper side of the key. You have to use a ohm meter and measure the resistance of the strip in there. Its a resistor used to tell the theft computer the key is in there. Anyway find out what the resistance is and buy a resistor from radio shack and look under the steering wheel for the 2 very small guage wires in a yellow cover....NOTE not the air bag wires. Simply cut those wires ( the 2 white ones) and on the set going away from the steering wheel strip the wires and put the resistor one one wire and the other end of it to the other wire....That will disable that system. If its the 2 wire and you have issues getting it simply take the car to a car audio place that does remote starts and for a nominal fee they will do it for you. My records show that it has the 3 wire system.
SOURCE: 1994 oldsmobile cutlass supreme wont start.
or also this link: http://newrockies.ca/vatsbypass
SOURCE: starter wont crank on a 2000 oldsmobile intrigue
Check your manual if you have it. I believe you need to have the key in the ignition in the ON position for about 10 minutes to reset the security system.
SOURCE: Security System
You need to go to autozone or advance and do an obd2 scan. This will give you codes so you can plot your next course of action. It will tell you if a sensor or something else is faulty
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