My brother in law sux I need major help

[texinchevy]

I have a 1985 chevy silverado i have a 305 with a rochester quad in it i need an automatic choke brother in law broke the metal piece clean off he jb welded it but when i hook it up the choke light is on and the truck will not run very well at all oh yea and i had the carb rebuilt well it runs not so good but it does backfire when you rev up the engine when you can keep it running you have to keep it floored and when you let go it dies and I have no clue how the vacuum hoses go on cause my dip stick brother in law didnt mark them when he took them off oh yea and he was doing somthing undernieth the truck the other night and well i drove two blocks from my house and my gas gage went from half a tank to almost empty i know the horn doesnt work every time i put a fuse in it it pops it every time I NEED HELP AAAAHHHH! any suggestions would be awsome.