nightowl3130
Newbie
Abt 3 days ago I was trying to answer a post (forum wouldnt let me post) from someone who stated he had to disconnect batt in order to turn off fuel pump on a 90s eng but didnt say size after repl tank & pump. If u see this, my 96 5.7 oil sender has a wire that upon 5 lbs of oil pres, creats a power feed to fuel pump in case the relay fails. The after mkt's op senders had a prob switching that circuit off even after turning off key. The pump would remain on after engine stopped. Especially in colder climates, until eng warmed up. I thought this circuit was a shut off if you lost op until I studied the schematic. I can take relay out and crank over good & eng will start after 5lbs of op. Hope you see this & it helps..
