Ali, have you checked Lawrence road (opposite Fire brigade office) & Bhayya kabari in the vicinity ?
You'll have to have this one made.
On korangi road, behind suzuki defense is an electrician. His name is shahid and his cell number is 03213836997.
Take the lane where Speed Shop is (lane used to have HSBC office in the corner building, next lane has Top Gear Workshop in it. Go till the end and turn left, its the 1st small shop (opposite a model school) Ask anyone for the school and you'll know.
I had my self starter fixed from him and he did a good job.