If you hear a clicking noise, it usually is the starter that is faulty.
If no clicking, apart from starter, the ignition switch, security system, neutral start switch and wiring can cause the problem.
Sep 21, 2012 at 6:44 AM
Repair Safety Notice: This information is for general instructional purposes only. Vehicle repair can be dangerous. Verify all information, follow manufacturer service procedures, use proper tools and safety equipment, and consult a qualified repair shop when needed.