If your Dodge truck doesn't start, the first place to check is the battery. If the car starts with the help of jumper cables, the battery might need to be serviced or replaced. Look for signs of corrosion on the battery, and clean it safely if the car starts intermittently.
Fuses sometimes blow on cars as well. Find where the fuse boxes are located by checking the operation manual. By checking the fuse that powers the starter and other parts of the engine, you might be able to get your car running again quickly. Most fuse boxes contain replacement fuses, so swap out the fuse even if it seems to be intact.
Check the ignition switch by turning the ignition key and seeing if the dashboard lights up at all. The failure of a dashboard to light up is probably caused by a bad ignition switch, which you may be able to replace on your own. If you're adventurous, try checking the electrical connections to the starter, but stay away from any of the engine's moving parts if you do so. Also check the fuel pump and fuel lines. A gas leak might indicate a damaged line. However, replacing the fuel pump or fuel lines typically requires expertise.