SpartonGHost

Hey guys....i bought a 2005 wrx....mg first one so i didnt know about the sigma alarm an keycode stuff...anyhow my fob dosnt open the doors i have to do it manualy so changed battery still no luck....so found out u need to put keycode in keypad for linking key?? Anyhow rang a few places got the 4 digit pin typed it in an nothing happens.....subaru said i shouldnt be able to really drive the car without the pin.....so i looked under dash and where the two green connectors are theres a blue one also with the red and black wire snipped
...also theres a piece of wire linking the botton two conectois on the block....if i remove this the car wont start but theres still no alarm or anything...id like to repair this so can have system alarmed and the fob work if any one can help thanks..