It doesnt wamts to start when it has already work for sm hours

What is your question?

It starts in the morning but whem i turn it off it doesnt wants to start again i have to start it spraying fish for mosquitos in the air cleaner

What makes this problem better or worse?

It starts but it has already work for some hours it doesnt wants to stary again

How long has your 2004 Dodge Ram 2500 had this problem?

A couple of weeks