Grand Prix 2004 Motor 3,800

Good afternoon, I have a problem with the car because the computer and if I was caught, I bought a spindle computer that takes it to the car parts and they digested that if it is compatible. I leave the key to open open to program alone but no. Then came an electric and could not, in other cars and the suicht with the key and computer of the same car and it is not necessary to be programmed just I want to be sure in this car so as not to spend dioquis, greasias ,,, great prix pontiac 2004

The key tines to schedule it or if, if you do not leave or do it but it stops a few blocks, if you change the computer you must be sure it is compatible and nothing more, obtained by the code they bring