-1 always... this is my sensor http://www.ebay.com/itm/181227585127?ssPageName=STRK:MEWNX:IT&_trksid=p3984.m1497.l2649. Um I was waiting 1.5 month and now its not working? Oh man... 
I hope my jumpers are wrong placed!!! But they are just 4 wires over there...quite simple.