Thank you.
1- I used 3 things (1 led light small size which u can see in the picture, 1 indicators beeper, 1 70cc back light switch) and made a connection and placed everything on its place, with the beeper light blinks as well which is kinda cool.
2- Height is same because its 18 inch rim and stock is also 18 inch, yes a lil effect took place because of wide tyre, and gap is reduced due to height of tyre which is good.