Please help asap! I own a 99 5.9slt+ truck won't start, security light is staying lit on my cluster and fuel pump won't run when I turn key to on position, thought it was my battery so I replaced it and truck is still doing same thing. Please help!!!! Thanks everyone in advance.

 

Try the steps here in the DIY thread to reset the alarm: https://dodgeforum.com/forum/1st-gen...ers-faq-s.html