my cargo light does not come on when i open the door only comes on when i manually turn it on with the switch also if i wire it to the dome light it works but when i manually turn on the cargo light it turns on the dome light does anyone know how to make it so the power doesn't feed back then the cargo light is turned on th

 

Don't think you can. It also comes on when unlocking the doors with the remote. They are on a separate circuit for a reason.
You might be able to put a diode in the circuit to keep it from feeding back.