arrgggg WIRES???

ok, maybe somone can give me a little help here. here is the whole story..the previous owner of my 72 duster did a little wire chopping under the dash. everything worked except the signals. the green and brown wires in the kick panal that go to the brakes were wired together..?. ok so i bought a wiring harness from a member on here "i think its for a rhd" anyway, i put the unmolested harness in and now i have nothing at all...no brake lights, headlights, parklights ect.. the old wiring harness also looks different than the new one. in pic 3 can anyone tell me what the white box is?
new harness...

heres a pic of the old one

heres a pic of the box i was askin about