ok so I have a 94 hatch with a b18c swap , when I put the car into reverse the front right blinker light and rear right blinker light turn on ? , also i had a sound system put in and whenever i touch the brakes or use windows or anything electrical it makes a noise in the sound system they told me its cause i have some kind of ground loop issue I dono how to resolve this , another thing is my rear hatch open light is always on and I did find what looks to be like a ground wire for the rear hatch locking mechanism that was going to nothing someone had electrical taped the end of its round surface its a black wire , my rear hatch is carbon fiber tho aftermarket I dono where to put that black wire , and there is a green wire next to it that plugs into the locking mechanism I just dono where to start with these electrical issues please help thanks

 

If someone changed te rear lid maybe they messed the reverse lights and turn lights. Does your right blinker work? I woul start by making that ground longer and connecting it to the chassis somewhere. Then look for any places in the wiring harness, by the hatch, that has been messed with.