The inertia switch is pretty easy to activate and get to. I know that about 2 years ago my buddy and I got done hunting and were about to leave and the truck drove maybe 10 feet and quit. Took forever and a ton of google searches to figure out that he kicked the switch with his foot and caused it to activate. Just had to reset it and it started right back up. Not sure if the fuel pump relay is easier to access or not but the switch is located on the passenger side under the glove box. Its fairly easy to get to and you don't have to disconnect anything.