before i bought the car someone wired a reverse light up to be a fog light. rewired it to be a reverse light again which worked fine and wired a new bulb up for the fog light (so i could have two reverse lights) but i connected it to the same negative to see if it would still work and it shorted it out. now sidelights dont work and dash is not lighting up. at first i thought its just blown the fuse for the sidelights and dash but all fuses seem to be ok. any ideas? i hope i dont have to take dash apart to find where its wired to and if i do hopefully they will be a extra fuse wired in.