Ok here's the situation. yesterday my truck acted like it didn't want to start. it would but i had to turn the key harder for it to. today it wouldn't start. all my interior lights, radio, dash panel would come on. even the exterior lights. and all i heard was click click click click click as i turned the key. I jump started the battery, wait for about 2 minutes, then turn the ignition. It turned on. Later on, it wouldn't start again. my battery is a AC/Delco 80D26L. My truck is a 2001 extra cab v6. Does anyone know what the life is on these batteries or where the starter is on my truck as I don't know. Oh yeah and i have an aftermarket radio too.