Originally Posted by brettcp

Thanks guys....I did check all the threads for wiring but not much around, greatly appreciate the time.....I hade to jump start my truck after standing for 3 weeks, I went to the shops and after that it wouldn’t start again, battery, fuses, relay, switch are ok....no pressure at the rail so I'm guessing the pump gave up or seized after the long no start......

Originally Posted by Schultzy8777

Do you still have the notes and or pics from putting a manual switch in?

Originally Posted by WhiteZombie

the reason your power could be shutting down after a second is because the wire is cutt and the computer is not telling the power to the pump to stay on. i recently had a similar problem when i went from efi to carburated in my truck. my stock pump would turn on then turn rite off because i was not running a computer to tell it to stay on. i hope this helps and you get your truck running rite