2004 grand prix dosnt crank starter is good no security light
V6 automatic? Fuses are good?
...again, inspect your battery, with added security and such there is going to be more complications and liability for corrosion. Clean everything. In the shop, we'd just turn the hose on and blast the corrosion away first. Check the voltage should be 13.5 Volts. if not, put a charger on it!
Cycle the key in the the ignition a few times and give it a try. Had the sam eissue with my 04 GTP once.
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